How to use command line aliases in Linux
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The Linux command line alias is perfect for helping you improve your productivity. By default, the Linux distribution you install contains some aliases.
The following is an example of a command line alias in Fedora 27:
The command alias displays a list of existing aliases. Setting an alias is actually very simple:
Alias new_name= "command"
Here are 15 command line aliases to save you time:
1. Install any utilities / applications:
Alias install= "sudo yum install-y"
According to the user's preference, sudo and-y are optional:
two。 Update the system:
Alias update= "sudo yum update-y"
3. Upgrade the system:
Alias upgrade= "sudo yum upgrade-y"
4. Change to root user:
Alias root= "sudo su -"
5. Change to "user", where "user" is set to your user name:
Alias user= "su user"
6. Displays a list of all available ports, their status and IP:
Alias myip= "ip-br-c a"
7. Ssh to server myserver:
Alias myserver= "ssh user@my_server_ip"
8. List all processes in the system:
Alias process= "ps-aux"
9. Check the status of any system services:
Alias sstatus= "sudo systemctl status"
10. Restart any system services:
Alias srestart= "sudo systemctl restart"
11. Kill any process by name:
Alias kill= "sudo pkill"
twelve。 Displays the total usage and available memory of the system:
Alias mem= "free-h"
13. Displays the CPU architecture of the system, the number of CPU, the number of threads, etc.
Alias cpu= "lscpu"
14. Displays the total disk size of the system:
Alias disk= "df-h"
15. Display the current system Linux release (for CentOS,Fedora and Red Hat):
Alias os= "cat / etc/redhat-release"
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