The groupmod command is used by system administrators to manage groups on Linux systems.
The groupmod command is used by system administrators to manage groups on Linux systems. It allows superusers to perform essential group management tasks on the command line, such as changing a group’s name, ID, and password or allowing duplicate GIDs.
Using groupmod can help manage user permissions and access to files and directories on Ubuntu Linux systems. Additionally, learning how to use and manage Linux systems on Ubuntu is a great place to start for beginners, as it is an open-source operating system that runs on a wide range of devices.
About groupmod command:
The groupmod command is used by system administrators to manage groups on Linux systems. In addition, it allows superusers to perform essential group management.
Like using your mouse and keyboard to change group settings in the GUI., the groupmod is the way to do it on the command line.
Syntax:
The syntax is the rule and format of how the groupmod command can be used. The syntax options can be reordered. But a straight format must be followed.,.
Below is an example syntax of how to use the groupmod command.
groupmod [options] GROUP
Options:
The command line options are switches or flags that determine how the commands are executed or controlled. They modify the behavior of the command. They are separated by spaces and followed after the command options.
Below are some options for the groupmod command:
| GROUP | Use the -o or –non-unique option to allow the use of a duplicate (non-unique) GID |
| -g, –gid GID | Use the -g or –gid GID option to set or change the group ID to GID |
| -n, –new-name NEW_GROUP | Use the -n or –new-name NEW_GROUP option to change the group name to NEW_GROUP. |
| -o, –non-unique | -o, –nonunique |
| -p, –password PASSWORD | Use the -P or –password PASSWORD option to change the password to this (encrypted) PASSWORD |
| -R, –root CHROOT_DIR | Use the -R or –root CHROOT_DIR option set the directory to chroot int |
| -h, –help | display this help message and exit |
Examples:
Below are some examples of how to run and use the groupmod on Ubuntu Linux.
Run the commands below to change a male to a female group.
groupmod -n female male
If you wish to change the female group ID to 777, run the commands below.. the command changes the female group ID to 777.
groupmod -g 777 female
If you’re not logged in as a root account, you may have to use the sudo command.
sudo groupmod -g 777 female
Use the commands below to enable two groups to have the same ID. When -o is used with the -g option, we can give nonunique values
sudo -g 777 -o male
Both the female and male groups have the same ID of 777
When you run groupmod with the –help option, you’ll see the help text below:
Usage: groupmod [options] GROUP
Options:
-g, --gid GID change the group ID to GID
-h, --help display this help message and exit
-n, --new-name NEW_GROUP change the name to NEW_GROUP
-o, --non-unique allow to use a duplicate (non-unique) GID
-p, --password PASSWORD change the password to this (encrypted)
PASSWORD
-R, --root CHROOT_DIR directory to chroot into
That’s it!
I hope you like it, and please come back soon for more Ubuntu Linux commands!
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