Category: Tutorial
Curl Command
In this tutorial we learn how to use curl commmand.
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rsync Command
In this tutorial we learn how to use rsync commmand.
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scp Command
In this tutorial we learn how to use scp commmand.
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scp Command
In this tutorial we learn how to use scp commmand.
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tmux Command
In this tutorial we learn how to use tmux commmand.
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wget Command
In this tutorial we learn how to use wget commmand.
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Linux screen Command
In this tutorial we learn how to use screen commmand in Linux. screen is a screen manager with VT100/ANSI terminal emulation
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Linux w Command
In this tutorial we learn how to use w commmand in Linux. w command show who is logged on and what they are doing
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Linux addpart Command
In this tutorial we learn how to use addpart commmand in Linux. addpart command is addpart - tell the kernel about the existence of a partition
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Linux agetty Command
In this tutorial we learn how to use agetty commmand in Linux. agetty command is agetty - alternative Linux getty
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Linux b2sum Command
In this tutorial we learn how to use b2sum commmand in Linux. b2sum command is b2sum - compute and check BLAKE2 message digest
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Linux base32 Command
In this tutorial we learn how to use base32 commmand in Linux. base32 command is base32 - base32 encode/decode data and print to standard output
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Linux base64 Command
In this tutorial we learn how to use base64 commmand in Linux. base64 command is base64 - base64 encode/decode data and print to standard output
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Linux basename Command
In this tutorial we learn how to use basename commmand in Linux. basename command is basename - strip directory and suffix from filenames basename NAME [SUFFIX] basename OPTION… NAME…
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Linux blkdiscard Command
In this tutorial we learn how to use blkdiscard commmand in Linux. blkdiscard command is blkdiscard - discard sectors on a device
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Linux blkid Command
In this tutorial we learn how to use blkid commmand in Linux. blkid command is blkid - locate/print block device attributes blkid [–no-encoding –garbage-collect –list-one –cache-file file] [–output format] [–match-tag tag] [–match-token NAME=value] [device …] blkid has two main forms of operation: either searching for a device with a specific NAME=value pair, or displaying NAME=value pairs for one or more specified devices.
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Linux blkzone Command
In this tutorial we learn how to use blkzone commmand in Linux. blkzone command is blkzone - run zone command on a device
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Linux blockdev Command
In this tutorial we learn how to use blockdev commmand in Linux. blockdev command is blockdev - call block device ioctls from the command line
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Linux cat Command
In this tutorial we learn how to use cat commmand in Linux. cat command is cat - concatenate files and print on the standard output
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Linux cd Command
In this tutorial we learn how to use cd commmand in Linux. cd command change the current directory to dir
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Linux chcon Command
In this tutorial we learn how to use chcon commmand in Linux. chcon command is chcon - change file security context
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Linux chcpu Command
In this tutorial we learn how to use chcpu commmand in Linux. chcpu command is chcpu - configure CPUs
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Linux chgrp Command
In this tutorial we learn how to use chgrp commmand in Linux. chgrp command is chgrp - change group ownership
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Linux chmem Command
In this tutorial we learn how to use chmem commmand in Linux. chmem command is chmem - configure memory
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Linux chmod Command
In this tutorial we learn how to use chmod commmand in Linux. chmod command is chmod - change file mode bits
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Linux choom Command
In this tutorial we learn how to use choom commmand in Linux. choom command is choom - display and adjust OOM-killer score.
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Linux chown Command
In this tutorial we learn how to use chown commmand in Linux. chown command is chown - change file owner and group
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Linux chroot Command
In this tutorial we learn how to use chroot commmand in Linux. chroot command is chroot - run command or interactive shell with special root directory
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Linux chrt Command
In this tutorial we learn how to use chrt commmand in Linux. chrt command is chrt - manipulate the real-time attributes of a process
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Linux comm Command
In this tutorial we learn how to use comm commmand in Linux. comm command is comm - compare two sorted files line by line
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Linux cp Command
In this tutorial we learn how to use cp commmand in Linux. cp command is cp - copy files and directories
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Linux csplit Command
In this tutorial we learn how to use csplit commmand in Linux. csplit command is csplit - split a file into sections determined by context lines
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Linux ctrlaltdel Command
In this tutorial we learn how to use ctrlaltdel commmand in Linux. ctrlaltdel command is ctrlaltdel - set the function of the Ctrl-Alt-Del combination
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Linux cut Command
In this tutorial we learn how to use cut commmand in Linux. cut command is cut - remove sections from each line of files
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Linux date Command
In this tutorial we learn how to use date commmand in Linux. date command is date - print or set the system date and time
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Linux dd Command
In this tutorial we learn how to use dd commmand in Linux. dd command is dd - convert and copy a file
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Linux delpart Command
In this tutorial we learn how to use delpart commmand in Linux. delpart command is delpart - tell the kernel to forget about a partition
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Linux df Command
In this tutorial we learn how to use df commmand in Linux. df command is df - report file system disk space usage
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Linux dig Command
In this tutorial we learn how to use dig commmand in Linux. dig command is a flexible tool for interrogating DNS name servers. It performs DNS lookups and displays the answers that are returned from the name server(s) that were queried. Most DNS administrators use dig to troubleshoot DNS problems because of its flexibility, ease of use and clarity of output. Other lookup tools tend to have less functionality than dig.
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Linux dir Command
In this tutorial we learn how to use dir commmand in Linux. dir command is dir - list directory contents
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Linux dircolors Command
In this tutorial we learn how to use dircolors commmand in Linux. dircolors command is dircolors - color setup for ls
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Linux dirname Command
In this tutorial we learn how to use dirname commmand in Linux. dirname command is dirname - strip last component from file name dirname [OPTION] NAME…
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Linux dmesg Command
In this tutorial we learn how to use dmesg commmand in Linux. dmesg command is dmesg - print or control the kernel ring buffer
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Linux du Command
In this tutorial we learn how to use du commmand in Linux. du command is du - estimate file space usage
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Linux echo Command
In this tutorial we learn how to use echo commmand in Linux. echo command is echo - display a line of text
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Linux env Command
In this tutorial we learn how to use env commmand in Linux. env command is env - run a program in a modified environment env [OPTION]… [-] [NAME=VALUE]… [COMMAND [ARG]…] Set each NAME to VALUE in the environment and run COMMAND. remove variable from the environment
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Linux expand Command
In this tutorial we learn how to use expand commmand in Linux. expand command is expand - convert tabs to spaces
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Linux expr Command
In this tutorial we learn how to use expr commmand in Linux. expr command is expr - evaluate expressions
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Linux fallocate Command
In this tutorial we learn how to use fallocate commmand in Linux. fallocate command is fallocate - preallocate or deallocate space to a file
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Linux fdformat Command
In this tutorial we learn how to use fdformat commmand in Linux. fdformat command is fdformat - low-level format a floppy disk
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Linux fincore Command
In this tutorial we learn how to use fincore commmand in Linux. fincore command is fincore - count pages of file contents in core
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Linux findfs Command
In this tutorial we learn how to use findfs commmand in Linux. findfs command is findfs - find a filesystem by label or UUID findfs NAME=value
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Linux findmnt Command
In this tutorial we learn how to use findmnt commmand in Linux. findmnt command is findmnt - find a filesystem
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Linux flock Command
In this tutorial we learn how to use flock commmand in Linux. flock command is flock - manage locks from shell scripts
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Linux fmt Command
In this tutorial we learn how to use fmt commmand in Linux. fmt command is fmt - simple optimal text formatter
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Linux fold Command
In this tutorial we learn how to use fold commmand in Linux. fold command is fold - wrap each input line to fit in specified width
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Linux fsck Command
In this tutorial we learn how to use fsck commmand in Linux. fsck command is fsck - check and repair a Linux filesystem
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Linux fsck.cramfs Command
In this tutorial we learn how to use fsck.cramfs commmand in Linux. fsck.cramfs command is fsck.cramfs - fsck compressed ROM file system
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Linux fsck.minix Command
In this tutorial we learn how to use fsck.minix commmand in Linux. fsck.minix command is fsck.minix - check consistency of Minix filesystem
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Linux fsfreeze Command
In this tutorial we learn how to use fsfreeze commmand in Linux. fsfreeze command is fsfreeze - suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS)
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Linux fstrim Command
In this tutorial we learn how to use fstrim commmand in Linux. fstrim command is fstrim - discard unused blocks on a mounted filesystem
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Linux getopt Command
In this tutorial we learn how to use getopt commmand in Linux. getopt command is getopt - parse command options (enhanced)
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Linux getty Command
In this tutorial we learn how to use getty commmand in Linux. getty command is agetty - alternative Linux getty
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Linux head Command
In this tutorial we learn how to use head commmand in Linux. head command is head - output the first part of files
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Linux host Command
In this tutorial we learn how to use host commmand in Linux. host command is a simple utility for performing DNS lookups. It is normally used to convert names to IP addresses and vice versa. When no arguments or options are given, host prints a short summary of its command line arguments and options.
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Linux hostname Command
In this tutorial we learn how to use hostname commmand in Linux. Hostname is used to display the system’s DNS name, and to display or set its hostname or NIS domain name.
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Linux hwclock Command
In this tutorial we learn how to use hwclock commmand in Linux. hwclock command is hwclock - time clocks utility
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Linux i386 Command
In this tutorial we learn how to use i386 commmand in Linux. i386 command is
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Linux id Command
In this tutorial we learn how to use id commmand in Linux. id command is id - print real and effective user and group IDs
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Linux install Command
In this tutorial we learn how to use install commmand in Linux. install command is install - copy files and set attributes
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Linux ionice Command
In this tutorial we learn how to use ionice commmand in Linux. ionice command is ionice - set or get process I/O scheduling class and priority
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Linux ipcmk Command
In this tutorial we learn how to use ipcmk commmand in Linux. ipcmk command is ipcmk - make various IPC resources
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Linux ipcrm Command
In this tutorial we learn how to use ipcrm commmand in Linux. ipcrm command is ipcrm - remove certain IPC resources
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Linux ipcs Command
In this tutorial we learn how to use ipcs commmand in Linux. ipcs command is ipcs - show information on IPC facilities
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Linux isosize Command
In this tutorial we learn how to use isosize commmand in Linux. isosize command is isosize - output the length of an iso9660 filesystem
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Linux join Command
In this tutorial we learn how to use join commmand in Linux. join command is join - join lines of two files on a common field
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Linux last Command
In this tutorial we learn how to use last commmand in Linux. last command is last, lastb - show a listing of last logged in users
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Linux lastb Command
In this tutorial we learn how to use lastb commmand in Linux. lastb command is last, lastb - show a listing of last logged in users
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Linux ldattach Command
In this tutorial we learn how to use ldattach commmand in Linux. ldattach command is ldattach - attach a line discipline to a serial line
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Linux linux32 Command
In this tutorial we learn how to use linux32 commmand in Linux. linux32 command is
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Linux linux64 Command
In this tutorial we learn how to use linux64 commmand in Linux. linux64 command is
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Linux ln Command
In this tutorial we learn how to use ln commmand in Linux. ln command is ln - make links between files ln [OPTION]… [-T] TARGET LINK_NAME ln [OPTION]… TARGET
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Linux ls Command
In this tutorial we learn how to use ls commmand in Linux. ls command is ls - list directory contents
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Linux lsblk Command
In this tutorial we learn how to use lsblk commmand in Linux. lsblk command is lsblk - list block devices
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Linux lscpu Command
In this tutorial we learn how to use lscpu commmand in Linux. lscpu command is lscpu - display information about the CPU architecture
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Linux lsipc Command
In this tutorial we learn how to use lsipc commmand in Linux. lsipc command is lsipc - show information on IPC facilities currently employed in the system
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Linux lslocks Command
In this tutorial we learn how to use lslocks commmand in Linux. lslocks command is lslocks - list local system locks
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Linux lslogins Command
In this tutorial we learn how to use lslogins commmand in Linux. lslogins command is lslogins - display information about known users in the system
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Linux lsmem Command
In this tutorial we learn how to use lsmem commmand in Linux. lsmem command is lsmem - list the ranges of available memory with their online status
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Linux lsns Command
In this tutorial we learn how to use lsns commmand in Linux. lsns command is lsns - list namespaces
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Linux mcookie Command
In this tutorial we learn how to use mcookie commmand in Linux. mcookie command is mcookie - generate magic cookies for xauth
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Linux md5sum Command
In this tutorial we learn how to use md5sum commmand in Linux. md5sum command is md5sum - compute and check MD5 message digest
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Linux md5sum.textutils Command
In this tutorial we learn how to use md5sum.textutils commmand in Linux. md5sum.textutils command is
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Linux mesg Command
In this tutorial we learn how to use mesg commmand in Linux. mesg command is mesg - display (or do not display) messages from other users
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Linux mkdir Command
In this tutorial we learn how to use mkdir commmand in Linux. mkdir command is mkdir - make directories
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Linux mkfifo Command
In this tutorial we learn how to use mkfifo commmand in Linux. mkfifo command is mkfifo - make FIFOs (named pipes) mkfifo [OPTION]… NAME…
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Linux mkfs Command
In this tutorial we learn how to use mkfs commmand in Linux. mkfs command is mkfs - build a Linux filesystem
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Linux mkfs.bfs Command
In this tutorial we learn how to use mkfs.bfs commmand in Linux. mkfs.bfs command is mkfs.bfs - make an SCO bfs filesystem
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Linux mkfs.cramfs Command
In this tutorial we learn how to use mkfs.cramfs commmand in Linux. mkfs.cramfs command is mkfs.cramfs - make compressed ROM file system
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Linux mkfs.minix Command
In this tutorial we learn how to use mkfs.minix commmand in Linux. mkfs.minix command is mkfs.minix - make a Minix filesystem
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Linux mknod Command
In this tutorial we learn how to use mknod commmand in Linux. mknod command is mknod - make block or character special files mknod [OPTION]… NAME TYPE [MAJOR MINOR]
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Linux mkswap Command
In this tutorial we learn how to use mkswap commmand in Linux. mkswap command is mkswap - set up a Linux swap area
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Linux mktemp Command
In this tutorial we learn how to use mktemp commmand in Linux. mktemp command is mktemp - create a temporary file or directory
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Linux more Command
In this tutorial we learn how to use more commmand in Linux. more command is more - file perusal filter for crt viewing
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Linux mountpoint Command
In this tutorial we learn how to use mountpoint commmand in Linux. mountpoint command is mountpoint - see if a directory or file is a mountpoint
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Linux mv Command
In this tutorial we learn how to use mv commmand in Linux. mv command is mv - move (rename) files
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Linux namei Command
In this tutorial we learn how to use namei commmand in Linux. namei command is namei - follow a pathname until a terminal point is found
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Linux nice Command
In this tutorial we learn how to use nice commmand in Linux. nice command is nice - run a program with modified scheduling priority
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Linux nl Command
In this tutorial we learn how to use nl commmand in Linux. nl command is nl - number lines of files
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Linux nohup Command
In this tutorial we learn how to use nohup commmand in Linux. nohup command is nohup - run a command immune to hangups, with output to a non-tty
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Linux nproc Command
In this tutorial we learn how to use nproc commmand in Linux. nproc command is nproc - print the number of processing units available
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Linux nsenter Command
In this tutorial we learn how to use nsenter commmand in Linux. nsenter command is nsenter - run program with namespaces of other processes
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Linux numfmt Command
In this tutorial we learn how to use numfmt commmand in Linux. numfmt command is numfmt - Convert numbers from/to human-readable strings
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Linux od Command
In this tutorial we learn how to use od commmand in Linux. od command is od - dump files in octal and other formats
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Linux partx Command
In this tutorial we learn how to use partx commmand in Linux. partx command is partx - tell the kernel about the presence and numbering of on-disk partitions
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Linux paste Command
In this tutorial we learn how to use paste commmand in Linux. paste command is paste - merge lines of files
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Linux pathchk Command
In this tutorial we learn how to use pathchk commmand in Linux. pathchk command is pathchk - check whether file names are valid or portable pathchk [OPTION]… NAME…
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Linux pinky Command
In this tutorial we learn how to use pinky commmand in Linux. pinky command is pinky - lightweight finger
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Linux pivot_root Command
In this tutorial we learn how to use pivot_root commmand in Linux. pivot_root command is pivot_root - change the root filesystem
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Linux pr Command
In this tutorial we learn how to use pr commmand in Linux. pr command is pr - convert text files for printing
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Linux printenv Command
In this tutorial we learn how to use printenv commmand in Linux. printenv command is printenv - print all or part of environment
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Linux printf Command
In this tutorial we learn how to use printf commmand in Linux. printf command is printf - format and print data
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Linux prlimit Command
In this tutorial we learn how to use prlimit commmand in Linux. prlimit command is prlimit - get and set process resource limits
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Linux ptx Command
In this tutorial we learn how to use ptx commmand in Linux. ptx command is ptx - produce a permuted index of file contents
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Linux pwd Command
In this tutorial we learn how to use pwd commmand in Linux. pwd command is pwd - print name of current/working directory
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Linux raw Command
In this tutorial we learn how to use raw commmand in Linux. raw command is raw - bind a Linux raw character device
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Linux readlink Command
In this tutorial we learn how to use readlink commmand in Linux. readlink command is readlink - print resolved symbolic links or canonical file names
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Linux readprofile Command
In this tutorial we learn how to use readprofile commmand in Linux. readprofile command is readprofile - read kernel profiling information
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Linux realpath Command
In this tutorial we learn how to use realpath commmand in Linux. realpath command is realpath - print the resolved path
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Linux reboot Command
In this tutorial we learn how to use reboot commmand in Linux. reboot command allow us to do stopping and restarting the system
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Linux rename.ul Command
In this tutorial we learn how to use rename.ul commmand in Linux. rename.ul command is
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Linux resizepart Command
In this tutorial we learn how to use resizepart commmand in Linux. resizepart command is resizepart - tell the kernel about the new size of a partition
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Linux rev Command
In this tutorial we learn how to use rev commmand in Linux. rev command is rev - reverse lines characterwise
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Linux rm Command
In this tutorial we learn how to use rm commmand in Linux. rm command is rm - remove files or directories
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Linux rmdir Command
In this tutorial we learn how to use rmdir commmand in Linux. rmdir command is rmdir - remove empty directories
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Linux rtcwake Command
In this tutorial we learn how to use rtcwake commmand in Linux. rtcwake command is rtcwake - enter a system sleep state until specified wakeup time
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Linux runcon Command
In this tutorial we learn how to use runcon commmand in Linux. runcon command is runcon - run command with specified security context
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Linux runuser Command
In this tutorial we learn how to use runuser commmand in Linux. runuser command is runuser - run a command with substitute user and group ID For backward compatibility, runuser defaults to not change the current directory and to only set the environment variables HOME and SHELL (plus USER and LOGNAME if the target user is not root). This version of runuser uses PAM for session management.
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Linux seq Command
In this tutorial we learn how to use seq commmand in Linux. seq command is seq - print a sequence of numbers
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Linux setarch Command
In this tutorial we learn how to use setarch commmand in Linux. setarch command is setarch - change reported architecture in new program environment and/or set personality flags
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Linux setpriv Command
In this tutorial we learn how to use setpriv commmand in Linux. setpriv command is setpriv - run a program with different Linux privilege settings
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Linux setsid Command
In this tutorial we learn how to use setsid commmand in Linux. setsid command is setsid - run a program in a new session
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Linux setterm Command
In this tutorial we learn how to use setterm commmand in Linux. setterm command is setterm - set terminal attributes
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Linux sha1sum Command
In this tutorial we learn how to use sha1sum commmand in Linux. sha1sum command is sha1sum - compute and check SHA1 message digest
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Linux sha224sum Command
In this tutorial we learn how to use sha224sum commmand in Linux. sha224sum command is sha224sum - compute and check SHA224 message digest
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Linux sha256sum Command
In this tutorial we learn how to use sha256sum commmand in Linux. sha256sum command is sha256sum - compute and check SHA256 message digest
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Linux sha384sum Command
In this tutorial we learn how to use sha384sum commmand in Linux. sha384sum command is sha384sum - compute and check SHA384 message digest
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Linux sha512sum Command
In this tutorial we learn how to use sha512sum commmand in Linux. sha512sum command is sha512sum - compute and check SHA512 message digest
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Linux shred Command
In this tutorial we learn how to use shred commmand in Linux. shred command is shred - overwrite a file to hide its contents, and optionally delete it
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Linux shuf Command
In this tutorial we learn how to use shuf commmand in Linux. shuf command is shuf - generate random permutations
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Linux sort Command
In this tutorial we learn how to use sort commmand in Linux. sort command is sort - sort lines of text files
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Linux split Command
In this tutorial we learn how to use split commmand in Linux. split command is split - split a file into pieces
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Linux stat Command
In this tutorial we learn how to use stat commmand in Linux. stat command is stat - display file or file system status
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Linux stdbuf Command
In this tutorial we learn how to use stdbuf commmand in Linux. stdbuf command is stdbuf - Run COMMAND, with modified buffering operations for its standard streams.
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Linux stty Command
In this tutorial we learn how to use stty commmand in Linux. stty command is stty - change and print terminal line settings
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Linux su Command
In this tutorial we learn how to use su commmand in Linux. su command is su - run a command with substitute user and group ID For backward compatibility, su defaults to not change the current directory and to only set the environment variables HOME and SHELL (plus USER and LOGNAME if the target user is not root). It is
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Linux sulogin Command
In this tutorial we learn how to use sulogin commmand in Linux. sulogin command is sulogin - single-user login
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Linux sum Command
In this tutorial we learn how to use sum commmand in Linux. sum command is sum - checksum and count the blocks in a file
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Linux swaplabel Command
In this tutorial we learn how to use swaplabel commmand in Linux. swaplabel command is swaplabel - print or change the label or UUID of a swap area
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Linux switch_root Command
In this tutorial we learn how to use switch_root commmand in Linux. switch_root command is switch_root - switch to another filesystem as the root of the mount tree
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Linux sync Command
In this tutorial we learn how to use sync commmand in Linux. sync command is sync - Synchronize cached writes to persistent storage
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Linux tac Command
In this tutorial we learn how to use tac commmand in Linux. tac command is tac - concatenate and print files in reverse
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Linux tail Command
In this tutorial we learn how to use tail commmand in Linux. tail command is tail - output the last part of files
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Linux taskset Command
In this tutorial we learn how to use taskset commmand in Linux. taskset command is taskset - set or retrieve a process’s CPU affinity
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Linux tee Command
In this tutorial we learn how to use tee commmand in Linux. tee command is tee - read from standard input and write to standard output and files
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Linux test Command
In this tutorial we learn how to use test commmand in Linux. test command is test - check file types and compare values
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Linux timeout Command
In this tutorial we learn how to use timeout commmand in Linux. timeout command is timeout - run a command with a time limit
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Linux touch Command
In this tutorial we learn how to use touch commmand in Linux. touch command is touch - change file timestamps
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Linux tr Command
In this tutorial we learn how to use tr commmand in Linux. tr command is tr - translate or delete characters
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Linux truncate Command
In this tutorial we learn how to use truncate commmand in Linux. truncate command is truncate - shrink or extend the size of a file to the specified size
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Linux tsort Command
In this tutorial we learn how to use tsort commmand in Linux. tsort command is tsort - perform topological sort
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Linux tty Command
In this tutorial we learn how to use tty commmand in Linux. tty command is tty - print the file name of the terminal connected to standard input
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Linux uname Command
In this tutorial we learn how to use uname commmand in Linux. uname command is uname - print system information
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Linux unexpand Command
In this tutorial we learn how to use unexpand commmand in Linux. unexpand command is unexpand - convert spaces to tabs
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Linux uniq Command
In this tutorial we learn how to use uniq commmand in Linux. uniq command is uniq - report or omit repeated lines
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Linux unlink Command
In this tutorial we learn how to use unlink commmand in Linux. unlink command is unlink - call the unlink function to remove the specified file
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Linux unshare Command
In this tutorial we learn how to use unshare commmand in Linux. unshare command is unshare - run program with some namespaces unshared from parent
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Linux utmpdump Command
In this tutorial we learn how to use utmpdump commmand in Linux. utmpdump command is utmpdump - dump UTMP and WTMP files in raw format
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Linux vdir Command
In this tutorial we learn how to use vdir commmand in Linux. vdir command is vdir - list directory contents
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Linux wc Command
In this tutorial we learn how to use wc commmand in Linux. wc command is wc - print newline, word, and byte counts for each file
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Linux wdctl Command
In this tutorial we learn how to use wdctl commmand in Linux. wdctl command is wdctl - show hardware watchdog status
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Linux whereis Command
In this tutorial we learn how to use whereis commmand in Linux. whereis command is whereis - locate the binary, source, and manual page files for a command
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Linux who Command
In this tutorial we learn how to use who commmand in Linux. who command is who - show who is logged on
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Linux wipefs Command
In this tutorial we learn how to use wipefs commmand in Linux. wipefs command is wipefs - wipe a signature from a device
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Linux x86_64 Command
In this tutorial we learn how to use x86_64 commmand in Linux. x86_64 command is
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Linux yes Command
In this tutorial we learn how to use yes commmand in Linux. yes command is yes - output a string repeatedly until killed
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How To Install IntelliJ IDEA on Ubuntu 22.04 LTS
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How To Create AWS EC2 Keypair
In this tutorial we learn how to create AWS EC2 Keypair from AWS Console, using CLI, Terraform and CloudFormation.
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How To Install PostgreSQL 14 on Ubuntu 20.04
In this tutorial, we learn how to install PostgreSQL 14 on Ubuntu 20.04 (Focal Fossa) from official PostgreSQL repository.
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How to Enable EPEL Repository on CentOS 8
In this tutorial we’ll learn how to enable EPEL repository on CentOS 8. We will learn two methods to enable EPEL repository.
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How To Install Vagrant on Ubuntu 20.04
In this tutorial we learn how to install Vagrant on Ubuntu 20.04. We will also create a Vagrantfile, start, access and destroy the VM.
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How To Install Amazon Corretto 16 on Ubuntu 18.04
Learn how to install Amazon Corretto 16 on Ubuntu 18.04. a no-cost, multiplatform, production-ready distribution of the OpenJDK.
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How To Install Amazon Corretto 15 on Ubuntu 20.04
Learn how to install Amazon Corretto 15 on Ubuntu 20.04. a no-cost, multiplatform, production-ready distribution of the OpenJDK.
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How To Install Amazon Corretto 16 on Ubuntu 20.04
Learn how to install Amazon Corretto 16 on Ubuntu 20.04. a no-cost, multiplatform, production-ready distribution of the OpenJDK.
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How To Install Amazon Corretto 8 on Ubuntu 20.04
Learn how to install Amazon Corretto 8 on Ubuntu 20.04. a no-cost, multiplatform, production-ready distribution of the OpenJDK.
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How To Install Amazon Corretto 8 on Ubuntu 18.04
Learn how to install Amazon Corretto 8 on Ubuntu 18.04. a no-cost, multiplatform, production-ready distribution of the OpenJDK.
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How To Install Zoom on Ubuntu
This tutorial guides you on how to install Zoom Client on Ubuntu Linux. You can follow this tutorial on Ubuntu 16.04 / 18.04 / 20.04.
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How To Install Virtualbox on Ubuntu 20.04
In this tutorial we learn how to install Oracle VirtualBox on Ubuntu 20.04 from Ubuntu repository and Oracle repository.
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How To Install Virtualbox on Ubuntu 18.04
In this tutorial we learn how to install VirtualBox on Ubuntu 18.04. We will learn the installation of VirtualBox package from Ubuntu repository and from Oracle repository
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How To Enable Passwordless Sudo in Ubuntu
In this tutorial we learn how to enable passwordless sudo for specific user in Ubuntu. You can follow this tutorial in any Ubuntu versions.
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How To Change Visudo Default Editor
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How To Install MongoDB 4.0 on Ubuntu 18.04
In this tutorial we learn how to install MongoDB 4.0 on Ubuntu 18.04. We will learn basic configuration of MongoDB 4.0.
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How To Install MongoDB 4.4 on Ubuntu 18.04
In this tutorial we learn how to install MongoDB 4.4 on Ubuntu 18.04 LTS. We will also learn some basic MongoDB configurations.
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How To Install Skype on Ubuntu 20.04
In this tutorial we learn how to install Skype on Ubuntu 20.04 (Focal Fossa). We learn to install Skype using dpkg and apt command.
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How To Install Memcached From Source on Ubuntu 18.04
In this tutorial we learn how to compile and install Memcached on Ubuntu 18.04. We will also compile latest version of libevent for Memcached.
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How To Install Memcached From Source on Ubuntu 20.04
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How To Install Memcached on Ubuntu 20.04
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How To Install PostgreSQL 9.6 on Ubuntu 20.04
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How to Generate Random Data in PostgreSQL
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How To Get Public IP From Command Line
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Speedtest CLI on Ubuntu [How To Install]
In this tutorial, we learn how to install and use Speedtest CLI on Ubuntu. Running speedtest CLI can be beneficial in the hosting environment to check whether the provided bandwidth is as advertised.
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How To Install Redis CLI on Ubuntu
In this tutorial, we learn how to install Redis CLI on Ubuntu. This tutorial can be used in any version of Ubuntu including but not limited to Ubuntu 20.04/18.04/16.04.
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How To Check the PostgreSQL Version
In this tutorial we learn how to check the PostgreSQL version. We will check the version using shell command line and SQL Shell.
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IUS Repository On CentOS 7 : How To Enable
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How-to Get [Query] AWS EC2 Instance Metadata
In this tutorial we will learn how to get EC2 Instance Metadata from an AWS EC2 instance. We will get the metadata using ec2-metadata and ec2 metadata. This is not typo. The tools name is really similar but one of them using dash on its name.
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javax.net.ssl.trustStore Option Behaviour
In this tutorial we will test the behaviour of javax.net.ssl.trustStore option. The objective is to check whether -Djavax.net.ssl.trustStore option append or replace the default java keystore being used by java.
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How To Install MongoDB 4.4 on Ubuntu 20.04
In this tutorial, we will learn how to install MongoDB 4.4 on Ubuntu 20.04 LTS. We will also learn to configure and secure our MongoDB 4.4 installation
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Linux sleep Command
In this tutorial we learn how to use sleep command in Linux. Sleep command can be used to provide delay between two commands invocations.
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Linux users Command
How to show the current user in Linux? we can use users command in Linux that will provide the information written in utmp file.
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Linux true Command
In this tutorial we will learn how to use true command in Linux. We’ll also learn the common usage of true in shell script.
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Linux logname Command
In this tutorial we learn how to use logname command in Linux. The logname command print current user login name.
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Linux link command
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Linux hostid Command
In this tutorial we will learn how to use hostid command in linux. hostid command print numeric identifier of current host.
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How To Install Zoom on Linux Mint 20
In this tutorial we will learn how to install Zoom on Linux Mint 20. Not only available on Windows and Mac, Zoom also available in Linux.
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How To Install Amazon Corretto 15 on Ubuntu 18.04
In this tutorial we learn to install Amazon Corretto 15 which provides JDK 15, on Ubuntu 18.04. We will also learn to compile sample code.
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How To Install Amazon Corretto 11 on Ubuntu 18.04
In this tutorial we learn how to install Amazon Correto 11 on Ubuntu 18.04. We will also learn compiling sample java app to test Java 11 from Amazon Corretto 11.
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Linux cksum Command
In this tutorial we learn how to use cksum command in Linux. cksum command will print the checksum and byte size of a file.
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Linux groups Command
n this tutorial we learn how to use groups command in Linux. groups command print the groups a user is in. This command is similar to id command for groups.
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Linux false Command
In this tutorial we learn how to use false command in Linux. false command is a command that do nothing, unsuccessfully.
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Linux arch Command
In this tutorial we learn how to use arch command in Linux. Arch command will show Linux system / machine platform or architecture.
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Install ksh on Ubuntu
In this tutorial we learn how to install ksh on Ubuntu Linux. ksh (Korn Shell) is a *NIX shell initially developed by David Korn in late 80’s
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How to Install wget on Linux
In this tutorial we learn how to install wget in various Linux distribution mainly CentOS and Ubuntu Linux. wget is a CLI based downloader.
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How To Install Zoom on CentOS
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How to Install MongoDB 4.2 on Ubuntu 18.04
In this tutorial we will learn how to install MongoDB 4.2 on Ubuntu 18.04 (Bionic Beaver). At the end we will learn to uninstall MongoDB 4.2.
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How To Create AWS Route53 Public Hosted Zone
In this tutorial we learn how to create route53 public hosted zone from AWS console. We also delegate the zone from our registrar
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How To Install PostgreSQL 13 on Ubuntu 20.04
In this tutorial, we learn how to install PostgreSQL 13 on Ubuntu 20.04 (Focal Fossa) from official PostgreSQL repository.
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How To Install PostgreSQL 12 on Ubuntu 20.04
Learn how to install PostgreSQL 12 on Ubuntu 20.04. PostgreSQL is an open-source object-relational database management system (ORDBMS)
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How To Install PostgreSQL 11 on Ubuntu 20.04
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How To Install Postgresql 10 on Ubuntu 20.04
In this tutorial, we learn how to install PostgreSQL 10 on Ubuntu 20.04 (Focal Fossa). PostgreSQL, or usually called Postgres, is an open-source object-relational database management system (ORDBMS) with an emphasis on extensibility and standards compliance.
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Linux factor Command
factor command in linux print the prime factors of each specified integer number. If none are specified on the command line, factor command will read them from standard input.
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yum whatprovides apt alternatives
If you’re using rpm based Linux distribution, most likely you’re familiar with yum whatprovides command. Using this command we can search which packages provides a specific file. In Ubuntu or Debian-based Linux distribution we can also do similar action using dpkg and apt-file.
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How to Install Amazon Corretto 8 on Ubuntu 16.04
In this tutorial, we learn how to install Amazon Corretto 8 on Ubuntu 16.04. We will also create a sample Java app, compile and run it.
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How To Install OpenJDK 11 on Ubuntu 18.04
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How To Install OpenJDK 8 on Ubuntu 18.04
In this tutorial we learn how to install OpenJDK 8 on Ubuntu 18.04. We will learn installing both JDK and JRE, both headless and non-headless.
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IUS Repository on CentOS 6 : How To Enable
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How To Install Skype on Ubuntu 18.04
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How to Install Spotify on Ubuntu 18.04
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How To Install Skype on Ubuntu 16.04
This tutorial guides you how to Install Skype on Ubuntu LInux 16.04. We will learn installing Skype using .deb package and from Skype repository.
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How to Install Spotify on Ubuntu 16.04
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How To Install Python 3.8 on MacOS X
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How To Install Multipass on MacOS X
In this tutorial we learn how to install Multipass on MacOS X.
Multipass is a lightweight VM Manager for Linux, Windows and MacOS X. It use KVM on Linux, Hyper-V on Windows and Hyperkit on MacOS X.
We can use multipass as Vagrant alternative to create local development environment on our workstation.
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How To Install Zoom on MacOS X
This tutorial describes how to install zoom on MacOS X. Zoom is an audio and video meeting application that is being used in various setup.
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How To Install XCode Command Line Tools
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How To Install Virtualenv On Ubuntu 16.04
In this tutorial we learn how to install virtualenv on ubuntu 16.04. We will also learn how to activate, installl package and deactivate virtualenv.
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How to Use pgbadger for AWS RDS Logs
This tutorial describe step-by-step how to get all AWS RDS for PostgreSQL logs and analyze the logs. We will use AWS CLI v1 and pgbadger in this exercise.
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How to Install MongoDB 4.2 on CentOS 7
In this tutorial we learn how to install MongoDB 4.2 on CentOS 7. We also learn how to create user and import sample database and uninstall MongoDB 4.2.
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How To Install PostgreSQL 10 on Ubuntu 18.04
In this tutorial we learn how to install PostgreSQL on Ubuntu 18.04. We will also learn how to manage postgresql service, check postgresql port and resource.
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How To Install Postgresql 10 on Ubuntu 16.04
In this tutorial, we learn how to install PostgreSQL 10 on Ubuntu 16.04 (Xenial Xerus). We also learn how to check PostgreSQL 10 process, connecting to the database using psql utility and also changing postgres password
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How to Install MongoDB 4.2 on Ubuntu 16.04
In this tutorial, we will learn how to install, configure and secure MongoDB 4.2 on Ubuntu 16.04 LTS (Xenial Xerus).
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How To Install MongoDB 3.4 on Ubuntu 16.04
In this tutorial we’ll learn how to install MongoDB 3.4 on Ubuntu 16.04. Managing MongoDB service, creating root user and uninstall MongoDB also explained.
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How to Install rkhunter on Ubuntu 16.04
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How to Enable EPEL Repository on CentOS 7
In this tutorial we’ll learn how to enable EPEL repository on CentOS 7. We will learn two methods to enable EPEL repository.
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How to Enable EPEL Repository on CentOS 6
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How-to Install pip on Ubuntu 16.04 LTS (Xenial Xerus)
In this tutorial we’ll learn how to install pip for python3 on Ubuntu 16.04. We will learn how to install pip from Ubuntu repository and PyPA.
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How to Install Python 2 on Ubuntu 16.04
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How to Install Memcached From Source on Ubuntu 16.04
This tutorial explain how to install memcached from source on Ubuntu 16.04 (LTS) Xenial Xerus. Memcached can be use for any caching usage but mostly used by dynamic web application to reduce database load. We can also cache API calls and page rendering.
Memcached (pronounced: mem-cash-dee) is a free, high performance, distributed memory object caching system.
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How to Install Memcached on Ubuntu 18.04
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How to Install MySQL 8.0 on Ubuntu 16.04
Learn how to install MySQL 8 on Ubuntu 16.04 (Xenial Xerus). We will also secure our MySQL installation and using mysqladmin to manage MySQL.
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How to Install Chkrootkit on Ubuntu 16.04
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How to Install MySQL 5.5 on Ubuntu 14.04
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How To Install Memcached on Ubuntu 16.04
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How To Install Memcached on Ubuntu 14.04
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How to Install julia on Ubuntu 16.04
In this tutorial we’ll learn how to install Julia Language on Ubuntu 16.04.
We will learn to install Julia from Ubuntu repository and latest version of Julia by downloading binary from Julia website.
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How to Install nim on Ubuntu 16.04
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How To Install Redis On Ubuntu 16.04
In this tutorial we learn how to install Redis on Ubuntu 16.04. Redis is an open source (BSD licensed), in-memory data structure store.
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How To Install Git on CentOS 7
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How To Install Rust On Ubuntu 16.04
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How to Use Clojure on Ubuntu 16.04
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How To Install IBM Java 7 on Ubuntu 16.04
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How to Install Go on Ubuntu 16.04
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How to Install Java 8 on Ubuntu 16.04
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How To Install Git on Ubuntu 16.04
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How To Install Git on CentOS 6
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How To Install Git on Ubuntu 14.04
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How To Install MySQL 5.7 on Ubuntu 16.04
We’ll learn how to install MySQL server 5.7 on Ubuntu 16.04. We’ll also learn how to secure the installation and import Sakila database.