How add UID and GID in Linux? First, assign a new UID to user using the usermod command. Second, assign a new GID to group using the groupmod command. Finally, use the chown and chgrp commands to change old UID and GID respectively. You can automate this with the help of find command.
How do I find my user ID and group ID in Linux?
- Type the command “id -u ” to find the UID for a particular user. Replace ” ” with the user’s Unix or Linux username.
- Type the command “id -g ” to find the primary GID for a particular user.
- Type the command “id -G ” to list all the GIDs for a particular user.
How do I change my group id? To change the group (GID) of a file, the superuser or the file owner can enter a chgrp command, specifying either a RACF® group name or a GID. The file owner must have the new group as his group or one of his supplementary groups.
How do I change the owner of a group in Linux?
- Become superuser or assume an equivalent role.
- Change the group owner of a file by using the chgrp command. $ chgrp group filename. group. Specifies the group name or GID of the new group of the file or directory.
- Verify that the group owner of the file has changed. $ ls -l filename.