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What is this "phantom" group?

cn flag

My LXC container mounts a NAS on /share.

$ ls -lha /
...
drwxrws---    8 nobody       4000  153 Mar 21 16:22 share
...

Since I cannot login as nobody user, I tried to make myself a member of the 4000 group. But that does not work since 4000 is not a group (?):

$ usermod -a -G 4000 root
usermod: group '4000' does not exist

What is this group 4000? How can I work around accessing my NAS?

djdomi avatar
za flag
the file or folder seems to be created or copied from a other destination which handled the gid 4k. you can also `grep 4000 /etc/group* ` if it exists locally
foki avatar
cn flag
@djdomi It is mounted from a NAS. It might be that GUID 4000 exists there, but I have no access to the NAS server. It definitely does not exist locally as long as `usermod` does not know about it.
djdomi avatar
za flag
you can create a group with the gidd if needed to
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