[CentOS] ssh-agent

[JohnS]

On Tue, 2010-04-06 at 08:15 -0700, Bart Schaefer wrote:
> On Tue, Apr 6, 2010 at 7:51 AM,  <m.roth at 5-cent.us> wrote:
> > Now, I find that when I log out, ssh-agent IS NOT STOPPED, even though I
> > am logged all the way out. When I log out, unless I background something,
> > everything running as me should go away. Everything.
> 
> ssh-agent is designed to run in the manner of a daemon process, so
> that you can connect to it from multiple clients which may be
> associated with independent logins (or with no login at all).

 How is that when it is not a true Service or Daemon?  It does not clean up after itself. 

IE,,Unclean logouts

> A quick look at "man ssh-agent" would have told you several things:
> 
> (1) You can put  a time limit on the life of identities added by
> ssh-add, by starting ssh-agent with the -t option.  However, the
> default is forever.
> 
> (2) You can force ssh-agent to exit when you log out by arranging for
> "ssh-agent -k" to run.  How this is accomplished depends on your login
> shell; "trap 'ssh-agent -k' EXIT" might be one way if there is no
> configuration file read at logout time.

And man pages seem to specify the -k option to kill it, the half breed
service.

> (3) As Todd Denniston pointed out, running ssh-agent with a command to
> execute sets up the agent to exit when the command itself completes.
> As you're already starting ssh-agent by hand in a terminal window,
> that should be almost as easy as "exec ssh-agent $SHELL".