15 command-line aliases to save you time

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"