Change login shell instantly Or permanently using these tricks Linux
The question here it is how to change user login shell.? Or how to change your login shell..?. Here are few examples how we can change shells instantly means just for current session. Change login shell permanently means if you logout / restart still your login shell will not change. Change login shell instantly Or Permanently using these tricks Linux.
First See Easy Way / Easy steps using chsh command
No Need to edit /etc/passwd file for changing the shell in your Linux / Unix Operating system. It is very simple to change shell. Use chsh command for changing login shell. chsh command is used to change local machine user shell only. If you would like to change remote machine (non-local) you may consider to use ypchsh Or lchsh.
Syntax: chsh [Options] [shell name] [User Name]
Options:
-s – Change Login shell
-l – List all available shells in system
-u – Help
-v – Version
Before going to change login shells please check valid shells available in your machine. using below commands
[root@Arkit-Serv ~]# cat /etc/shells /bin/sh /bin/bash /sbin/nologin /usr/bin/sh /usr/bin/bash /usr/sbin/nologin /bin/tcsh /bin/csh [root@Arkit-Serv ~]# chsh -l /bin/sh /bin/bash /sbin/nologin /usr/bin/sh /usr/bin/bash /usr/sbin/nologin /bin/tcsh /bin/csh
Process of changing login shell using chsh command.
[ravi@Arkit-Serv ~]$ chsh Changing shell for ravi. New shell [/bin/bash]: /bin/csh Password: Shell changed. [ravi@Arkit-Serv ~]$ echo $0 -csh [ravi@Arkit-Serv ~]$ echo $SHELL /bin/csh [ravi@Arkit-Serv ~]$
Other user shell change can be done by super user Or root user. Normal user can’t change other user shell.
[root@Arkit-Serv ~]# chsh -s /bin/bash admin Changing shell for admin. chsh: Shell not changed.
usermod command can be used to change shell
One more command is usermod also helpful. We can simply use usermod -s option to change shell.
[root@Arkit-Serv ~]# usermod -s /bin/csh admin [root@Arkit-Serv ~]# su - admin [admin@Arkit-Serv ~]$ echo $0 -csh [admin@Arkit-Serv ~]$ echo $SHELL /bin/csh
Change login shell permanently by editing config file
Edit /etc/passwd using any text editor and change the login shell value. This option is not handy for new users.
[root@Arkit-Serv ~]# cat /etc/passwd |grep ravi ravi:x:1001:1001:RHEL7 User:/home/ravi:/bin/csh [root@Arkit-Serv ~]# vi /etc/passwd [root@Arkit-Serv ~]# cat /etc/passwd |grep ravi ravi:x:1001:1001:RHEL7 User:/home/ravi:/bin/bash
Change Login Shell Instantly
Instantly if you would like to switch in between shell you can also do that using simple commands
[ravi@Arkit-Serv ~]$ echo $0 -bash [ravi@Arkit-Serv ~]$ csh [ravi@Arkit-Serv ~]$ echo $0 csh
That’s all about Change Login shell instantly Or Permanently..!!
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