24 Jul, 2019 | By ZYNUX

Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 was officially released on May 7, 2019 .Red Hat Enterprise Linux 8 (Ootpa) is based onFedora 28, upstream Linux kernel 4.18, GCC 8.2, glibc 2.28, systemd 239, and GNOME 3.28. The first beta was announced on November 14, 2018.

RHEL 8. Red Hat Enterprise Linux

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You Must Learn:


Most recent release of Red Hat Enterprise Linux 8 has so many improvements and changes, Here are the RHEL8 Linux Commands you must learn .

RHEL 8 Linux Commands:

  • systemctl poweroff; systemctl reboot; – Halt, power-off or reboot the machine
  • head – output the first part of files
  • hostname – show or set the system’s host name
  • id – print real and effective user and group IDs
  • ip – show / manipulate routing, devices, policy routing and tunnels
  • kill – terminate a process
  • last, lastb – show listing of last logged in users
  • less – opposite of more
  • ln – make links between files
  • ls – list directory contents
  • lsof – list open files
  • arch – print machine hardware name (same as uname -m)
  • bc – An arbitrary precision calculator language
  • cal – display a calendar
  • cat – concatenate files and print on the standard output
  • chage – change user password expiry information
  • chattr – change file attributes on a Linux file system
  • chgrp – change group ownership
  • chmod – change file mode bits
  • chown – change file owner and group
  • cp – copy files and directories
  • cpio – copy files to and from archives
  • crontab – maintains crontab files for individual users
  • curl – transfer a URL
  • cut – remove sections from each line of files
  • date – print or set the system date and time
  • dd – convert and copy a file
  • df – report file system disk space usage
  • diff – compare files line by line
  • du – estimate file space usage
  • expr – evaluate expressions
  • fdisk – manipulate disk partition table
  • find – search for files in a directory hierarchy
  • firewall-cmd – firewalld command line client
  • free – Display amount of free and used memory in the system
  • gawk – pattern scanning and processing language
  • grep, egrep, fgrep – print lines matching a pattern
  • man – an interface to the on-line reference manuals
  • mdadm – manage MD devices aka Linux Software RAID
  • mkdir – make directories
  • more – file perusal filter for crt viewing
  • mount – mount a filesystem
  • mutt – The Mutt Mail User Agent
  • mv – move (rename) files
  • nano – Nano’s Another editor, an enhanced free Pico clone
  • nice – run a program with modified scheduling priority
  • pam_tally2 – The login counter (tallying) module
  • passwd – update user’s authentication tokens
  • paste – merge lines of files
  • perl – The Perl 5 language interpreter
  • pgrep, pkill – look up or signal processes based on name and other attributes
  • ping – send ICMP ECHO_REQUEST to network hosts
  • ps – report a snapshot of the current processes.
  • pwd – print name of current/working directory
  • renice – alter priority of running processes
  • rmdir – remove empty directories
  • rm – remove files or directories
  • rpm – RPM Package Manager
  • rsync – a fast, versatile, remote (and local) file-copying tool
  • screen – screen manager with VT100/ANSI terminal emulation
  • sed – stream editor for filtering and transforming text
  • sort – sort lines of text files
  • ss – another utility to investigate sockets
  • sysctl – configure kernel parameters at runtime
  • tail – output the last part of files
  • tar – manual page for tar 1.26
  • tcpdump – dump traffic on a network
  • top – display Linux processes
  • touch – change file timestamps
  • tr – translate or delete characters
  • uname – print system information
  • uniq – report or omit repeated lines
  • uptime – Tell how long the system has been running.
  • useradd – create a new user or update default new user information
  • vim – Vi Improved, a programmers text editor
  • vmstat – Report virtual memory statistics
  • watch – execute a program periodically, showing output fullscreen
  • wc– print newline, word, and byte counts for each file
  • wget – The non-interactive network downloader.
  • who – show who is logged on
  • w – Show who is logged on and what they are doing.
  • yum – Yellowdog Updater Modified
  • zip – package and compress (archive) files