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Top Forums Shell Programming and Scripting Email alerts whenever someone logs into server via SSH any user? Post 302568777 by ahamed101 on Friday 28th of October 2011 08:00:03 AM
Old 10-28-2011
Like this?
Code:
while true; 
do   
  who > /tmp/user.$$;   
  val=$(diff /tmp/user.log /tmp/user.$$);   
  test ! -z "$val" && echo -e "$val" | mail you@you.com
  mv /tmp/user.$$ /tmp/user.log;   
  sleep 10
done

--ahamed

---------- Post updated at 05:00 AM ---------- Previous update was at 04:58 AM ----------

You can differentiate the user logged in/logged out using the > or < from the diff command output. I am not sure if there is a utility already exists for this.

--ahamed
 

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libgnome-keyring(3)						C Library Functions					       libgnome-keyring(3)

NAME
libgnome-keyring - gnome keyring library. DESCRIPTION
GNOME Keyring is a system to store passwords and other sensitive data in a standardized way across all GNOME applications. A keyring stores a collection of encrypted passwords and encrypted information about those passwords. A user can have multiple keyrings, each for a different use, but there is a default one, called 'login'. There is also a special 'session' keyring which is not stored on disk and goes away when you log out. When a user logs into GNOME, the keyrings are locked and a master keyring password has to be provided in order to unlock each of them. GNOME Keyring includes an SSH agent which integrates with the gnome-keyring and user login for its passwords. It can also use the main X.509 private key store. GNOME Keyring will set the SSH_AUTH_SOCK environment variable when it starts up. The id_rsa and id_dsa files in ~/.ssh are automatically usable through the SSH agent without first 'loading' them. Other X.509 private keys marked with the 'ssh-authentication' purpose are also usable. Additional SSH keys can be manually loaded and managed via the ssh-add command. If you use another SSH agent(such as the ssh-agent included with OpenSSH), you may want to disable the SSH agent in GNOME Keyring to pre- vent ssh from using it instead of your prefered SSH agent. You can set /apps/gnome-keyring/daemon-components/ssh gconf key to false. This prevents the SSH component of gnome-keyring from starting up when the user logs in. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-libs | +-----------------------------+-----------------------------+ |Interface stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
gnome-keyring-daemon(1), attributes(5), gnome-interfaces(5) http://library.gnome.org/devel/gnome-keyring/stable/ NOTES
Written by Jeff Cai, Sun Microsystems Inc., 2008. SunOS 5.11 31 Jul 2008 libgnome-keyring(3)
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