Re: ssh processes lingering after scp

From: Jonathan Loh (kj6loh_at_yahoo.com)
Date: 10/06/04

  • Next message: Darren Tucker: "Re: FW: HELP !!! ssh-askpass... No such file or directory." 
    Date: Wed, 6 Oct 2004 01:32:52 -0700 (PDT)
To: Susan McConnell <susanm@jbpc.co.uk>, secureshell@securityfocus.com

    These are just zombies, most likely someone is executing this script with a
    nohup and bacgrounding it. and then is logging out before the script finishes.
    --- Susan McConnell <susanm@jbpc.co.uk> wrote:

    > We're copying a number of files, sometimes up to 3-400, using
    > scp called from a perl script. The command issued by the perl script is:
    >
    > my $cmd = "scp $basedir/data/$basename remote.example.com:/tmp";
    > system ($cmd);
    >
    > We're finding that some ssh processes, with a PPID of 1, remain after the
    > script has completed. "ps -ef" shows:
    >
    > UID PID PPID C STIME TTY TIME CMD
    > root 12904 1 0 09:35 pts/0 00:00:00 /usr/bin/ssh -x ...
    > root 12990 1 0 09:36 pts/0 00:00:00 /usr/bin/ssh -x ...
    > root 12995 1 0 09:36 pts/0 00:00:00 /usr/bin/ssh -x ...
    > root 13000 1 0 09:36 pts/0 00:00:00 /usr/bin/ssh -x ...
    > root 13251 1 1 09:37 pts/0 00:00:00 /usr/bin/ssh -x ...
    >
    > The full command shown in each case (removed from above to prevent line
    > wrapping) is:
    >
    > /usr/bin/ssh -x -oFallBackToRsh no remote.example.com scp -t /tmp
    >
    > I've tried "shopt -s huponexit" but that hasn't resolved this. Can anyone
    > shed some light on why this is happening and how we can fix it?
    >
    > Thanks for any help or ideas.
    >
    > Sue
    >

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  • Next message: Darren Tucker: "Re: FW: HELP !!! ssh-askpass... No such file or directory."

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