infrastructure:unix
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Unix
Permissions
Users
- Set owner:
$ chown myfolder myuser - Set owner and group:
$ chown myowner:mygroup myfolder - Change password:
$ passwd - List user's groups:
$ groups somebody
Groups
- Set group:
$ chgrp mygroup myfolder - Set owner and group:
$ chown myowner:mygroup myfolder - List group members:
$ getent group some-group
ACL
- Flag s: created folders and files inherit the group of the upper folder.
$ chmod g+s file.txt - List permissions:
$ getfacl file.txt$ ls -lV
- Set specific group permissions:
$ setfacl -m u:somebody:rwx file.txt$ setfacl -m g:some-group:rw file.txt
- Set default group permissions:
$ setfacl -m default:g::rwx file.txt$ setfacl -m default:g:some-group:r file.txt
- Remove a group:
$ setfacl -x g:some-group file.txt
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