setfacl

Set file access control lists (ACL). More information: https://manned.org/setfacl.

• [M]odify ACL of a file for user with read and write access:

setfacl --modify u:{{username}}:rw {{path/to/file_or_directory}}

• [M]odify [d]efault ACL of a file for all users:

setfacl --modify --default u::rw {{path/to/file_or_directory}}

• Remove ACL of a file for a user:

setfacl --remove u:{{username}} {{path/to/file_or_directory}}

• Remove all ACL entries of a file:

setfacl --remove-all {{path/to/file_or_directory}}