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- How to get the primary group of a user? - Unix Linux Stack Exchange
Group ID (GID) The Group ID (GID) is a number used to uniquely identify the primary group that the user belongs to Groups are a mechanism for controlling access to resources based on a user's GID rather than their UID This can significantly reduce the size of some configuration files and allows users to be members of more than one group
- What does GID mean? - Unix Linux Stack Exchange
What does GID actually mean? I have Googled it and this is what linux about com said: Group identification number for the process Valid group numbers are given in etc group, and in the GID fie
- Change gid of a specific group - Unix Linux Stack Exchange
The GID is the primary identifier of the group As far as the system is concerned, a different GID is a different group So to change the GID, you're going to have to modify all the places where that GID is used You should avoid treating the GID as significant and use group names instead; you can change the name of a group with a single command (on Linux: groupmod -n NEW_GROUP_NAME OLD_GROUP
- Created a group with existing gid, now cannot delete it
I'm on Ubuntu 24 Originally, the system had an existing group with gid 999: # cat etc group | grep 999 systemd-journal:x:999: (I mistakenly tried to create a group with that duplicate ID: groupadd
- What is a process GID and what purpose does it serve?
I can understand group ownership of files and how only a user who belongs to that group can achieve the group permissions of that file, but I don't understand how this applies to running processes So, what is a process GID and what purpose does it serve?
- gid - How to pick a static group id? - Unix Linux Stack Exchange
I am tasked with reassigning a static group id (gid) to an existing group name that exists on multiple Linux servers E g the group name foo currently exists on multiple servers, but with differen
- Permission denied to change gid (group) of a file I own
On recent UNICes (and "recent" has a rather broad meaning here), you cannot change files' group ownership to a group you are not a member of Legacy versions of different UNIX flavors supported this, for use-cases such as yours, but it proved to be a security problem The problem of being able to change group ownership to foreign groups is a quite trivial one: If the file system the file
- What is the ID of nobody user and nogroup group?
$ cat proc self uid_map 0 0 4294967295 $ cat proc self gid_map 0 0 4294967295 Here's the relevant paragraph of user_namespaces (7): Unmapped user and group IDs There are various places where an unmapped user ID (group ID) may be exposed to user space
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