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Top Forums UNIX for Advanced & Expert Users How to find one partucular user logs when there are lots of users running on it Post 302243648 by otheus on Monday 6th of October 2008 08:28:06 AM
Old 10-06-2008
You can just grep the output of tail:

Code:
USER=john
RHOST=in.com
tail -f logs/application.log | grep "user $USER"

The other thing you can do is install pam_script and set up a "onsessionopen" and "onsessionclose" script which will generate such a logfile, and is guaranteed to run (unless sshd is killed with -9).
 

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MTAIL(1)							   User Commands							  MTAIL(1)

NAME
mtail - tail variant designed for web developers monitoring logfiles SYNOPSIS
mtail [options] <file>... DESCRIPTION
MonkeyTail allows a user to tail multiple files on both local and remote hosts and clearly marks inactivity by putting 5 newlines in the output whenever a pause in output over 3 seconds is detected. MonkeyTail is implemented a fairly simple wrapper script around standard tail, ssh, and sudo. OPTIONS
-q Quiet mode --quiet " " -n Output the last N lines of each file before tailing (defaults to 0) <file>... Files to tail. These can specified in the following ways: @<groupname> - expands the group (from .mtailrc) to a list of files to tail <filename> - tails a local file. +<filename> - attempts to sudo and tail a local file (will prompt for pwd if required). <remotehost>:<filename> - attempts to invoke tail via ssh on a remote host. +<remotehost>:<filename> - attempts to invoke sudo tail via ssh on a remote host (will prompt for pwd if required). SEE ALSO
mtailrc(5), tail(1) AUTHOR
Martyn Smith <martyn@dollyfish.net.nz> mtail May 2008 MTAIL(1)
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