How do I change my su user?
The su command lets you switch the current user to any other user. If you need to run a command as a different (non-root) user, use the –l [username] option to specify the user account. Additionally, su can also be used to change to a different shell interpreter on the fly.
How can I change root without password?
How to to run sudo command without a password:
- Gain root access: su –
- Backup your /etc/sudoers file by typing the following command:
- Edit the /etc/sudoers file by typing the visudo command:
- Append/edit the line as follows in the /etc/sudoers file for user named ‘vivek’ to run ‘/bin/kill’ and ‘systemctl’ commands:
How to switch ( Su ) to another user account without password?
To allow users in a specific group to switch to another user account without a password, we can modify the default PAM settings for the su command in the /etc/pam.d/su file. Add the following configurations after “auth sufficient pam_rootok.so ” as shown in the following screenshot.
How to switch to another user account with sudo?
In this case, the user (for example aaronk) who will switch to another user account (for example postgres) should be in the sudoers file or in the sudo group to be able to invoke the sudo command. Then add the following configuration below the line “%sudo ALL= (ALL:ALL) ALL” as shown in the following screenshot. Save and close the file.
How to make passwordless switch to another user in Linux?
You don’t use “su” with the sudoers file, you need to use “sudo”. So, you’d want a command line like: which would do want you want, provided you had the appropriate lines in the sudoers file. A line like this: should do the trick.
How to setup passwordless sudo for a specific user?
Replace it with the following line: If you want to allow a specific user named vyom to execute only “fdisk -l” command without password, edit the /etc/sudoers file: Add the following line at the end of the file: Save and close the file when you are finished. Now, only the user can only run the “fdisk -l” command without a password.