15 command-line aliases to save you time

15 command-line aliases to save you time

Some aliases are included by default in your installed Linux distro.

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Linux command-line aliases are great for helping you work more efficiently. Better still, some are included by default in your installed Linux distro.

This is an example of a command-line alias in Fedora 27:

The command alias shows the list of existing aliases. Setting an alias is as simple as typing:

alias new_name="command"

Here are 15 command-line aliases that will save you time:

  1. To install any utility/application:

    alias install="sudo yum install -y"

    Here, sudo and -y are optional as per user’s preferences:

  2. To update the system:

    alias update="sudo yum update -y"

  3. To upgrade the system:

    alias upgrade="sudo yum upgrade -y"

  4. To change to the root user:

    alias root="sudo su -"

  5. To change to "user," where "user" is set as your username:

    alias user="su user"

  6. To display the list of all available ports, their status, and IP:

    alias myip="ip -br -c a"

  7. To ssh to the server myserver:

    alias myserver="ssh user@my_server_ip”

  8. To list all processes in the system:

    alias process="ps -aux"

  9. To check the status of any system service:

    alias sstatus="sudo systemctl status"

  10. To restart any system service:

    alias srestart="sudo systemctl restart"

  11. To kill any process by its name:

    alias kill="sudo pkill"

  12. To display the total used and free memory of the system:

    alias mem="free -h"

  13. To display the CPU architecture, number of CPUs, threads, etc. of the system:

    alias cpu="lscpu"

  14. To display the total disk size of the system:

    alias disk="df -h"

  15. To display the current system Linux distro (for CentOS, Fedora, and Red Hat):

    alias os="cat /etc/redhat-release"

About the author

Archit Modi - OpenStack enthusiast. Linux and Networking guy. Currently working as a Software Test Engineer at Red Hat, involved in Nova project- OpenStack. Just trying to give my two cents in this billion-trillion dollar "Open Source" world.