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Top Forums Shell Programming and Scripting How to suspend a user account? Post 302299851 by KenJackson on Saturday 21st of March 2009 05:58:15 PM
Old 03-21-2009
By suspend, do you mean to lock the account so they can't login? This command does that, which can easily be done from a script:
Code:
usermod -L user

As for listing all non-suspended users, this might work. I grep for /bin/false to try to get rid of non-user users, but you still end up with mail, halt, nobody, etc. You could also use grep to eliminate '/bin/sh' if no one actually uses that shell.
Code:
for u in $(sudo grep -v ':!' /etc/shadow | cut -d: -f1); do
    grep -qv "$u.*/bin/false" /etc/passwd  &&  echo $u
done

 

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ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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