Mar 13, 2024 · A while ago, I wrote a shell function to check if a user is a member of a group. To maximise portability, I wanted it be POSIX-compatible (while this question is tagged as bash, …

Apr 16, 2015 · On Linux/OS X/Unix to display the groups to which you (or the optionally specified user) belong, use: id -Gn [user] which is equivalent to groups [user] utility which has been …

Mar 30, 2015 · I want to retrieve group id of a particular group name. Is there a command in Linux/UNIX systems to do this? Also if I want to do it the other way - get group name from …

May 7, 2017 · Grepping /etc/group works, but only on a machine where /etc/nsswitch.conf has: group: files meaning that only /etc/group is consulted when determining available groups.

Oct 19, 2013 · id -Gn will display all group names a user is a member of, then grep will return 0 if the group is present or 1 if not. \b matches only on word boundaries, which keeps you from …

May 14, 2010 · ./script 'DOMAIN+Group Name' Note: This solution will check NIS and LDAP for users and groups (not only passwd and group files). It will also take into account users not …

Oct 16, 2015 · The scenario is, I want to first check whether the concerned directories are writable by apache user programtically using php, and in case if they are not writable, then ask to user …

Mar 25, 2017 · It shows the user that the process runs under. But is there a way to display the group that the process runs under? USER PID %CPU %MEM VSZ RSS TTY STAT START …

Oct 7, 2016 · How can I find out which users are in the docker group and allowed to start docker containers? (Docker 1.12.1)

Jul 21, 2015 · If I use command: adduser [username] [groupname], then the user would be added to the group, and the file /etc/group would then be updated. However, the file /etc/passwd is …