Whether your Linux box has hundreds of users or just one account for you and one for your dog it is important to understand how Linux user accounts work. There are GUI tools for this within GNOME and ...

If you’re administering a Linux server, chances are you have a lot of user accounts to manage and, along with these, a lot of files and settings to control. Here are some commands and issues that are ...

we have Okta as our single source of truth for authn/authz for a small HPC lab. we're trying to get SSSD set up to auth against it for logins, but Okta's LDAP interface intentionally has no uidNumber ...

I've noticed that despite having idmap running and correct user/group names showing up in "ls -l", I can't modify files I own (or which have group write permission, and are owned by a group I'm a ...

This week, I will introduce two fundamental concept of the Linux process model: user ids (uid) and group ids (gid). Then, I will exemplify how to use the relevant library functions for setting and ...

The UID and GID are often transparent, and are assigned automatically in sequence by the account creation program. So, the user added after “fred” would have a UID of 201. Some Linux distributions ...