Guide To Linux User Groups And Permission

In the realm of Linux, user groups are an indispensable tool for managing permissions and access control. They offer a way to organize users and allocate privileges to them. This comprehensive guide will walk you through the creation of user groups, assigning group permissions to directories, managing groups, and adding users to groups in Linux.

Creating A Group

Creating a Group in Linux is a very straightforward process, You just have to put the single command line.

sudo groupadd development //group name development
                
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Assign group permissions to a directory

Use chown command to change the group ownership of the directory.

sudo chown :development /var/www/html 
                
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Now the above command will change the permission of that HTML directory.

You can see in the image below: {But before I have added the user to the group will see this in next point}

http://localhost/storage/uploads/Screenshot-from-2023-09-17-14-01-58.png alt="" class="wp-image-825"/>

See all the created Groups Listing

It's again the straightforward command.

cat /etc/group
                
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http://localhost/storage/uploads/Screenshot-from-2023-09-17-14-03-57.png alt="" class="wp-image-826"/>

Then you can the listing of all groups.

Checking User Group

So, now if you want to check in which group current user belongs to then you can put the simple command.

groups username // in my case {robin}
                
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http://localhost/storage/uploads/Screenshot-from-2023-09-17-14-06-04-1024x164.png alt="" class="wp-image-827"/>

It will list all the groups.

Conclusion

User groups in Linux are invaluable for managing permissions and access control. By following this comprehensive guide, you can create, assign permissions, and effectively manage groups and users in your Linux system. I hope this article gives you some knowledge of Linux systems.

Thanks For Reading.

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