How to resolve the issue of the Linux sudo command not …

If you are unable to use the sudo command in your Linux system, you can try the following solution:

1. Check sudo user group permissions: Make sure that your user account has been added to the sudo user group and has sudo permissions. You can use the following command to check:

$ groups

If you do not have the sudo user group, please contact the system administrator to add your user account.

1. Check the sudo configuration file: Verify if the sudo configuration file is correctly set up. You can edit the sudo configuration file using the following command:

$ sudo visudo

Ensure that the %sudo line is not commented out and there are no other configuration errors. If there are any errors, correct them following the proper format and save.

1. Check the path of the sudo command: Make sure the path of the sudo command is correct. You can use the following command to find the path of the sudo command:

$ which sudo

If there is no output, it may indicate that the sudo package is not installed correctly. You can try reinstalling the sudo package or contact the system administrator for assistance.

1. Check the file system permissions to ensure that the sudo binary file’s permissions are set correctly. You can use the following command to check:

$ ls -l /usr/bin/sudo

Make sure the permissions on the sudo file are -rwsr-xr-x. If the permissions are incorrect, you can use the following command to fix it:

$ chmod 4755 /usr/bin/sudo

If none of the above methods work to solve the problem, it is recommended to contact the system administrator or operating system provider for further assistance.