[sudo-workers] [BUG] iolog terminate process sent to background

Todd C. Miller Todd.Miller at courtesan.com
Tue Nov 21 10:34:57 MST 2017

When I/O logging is enabled, if the process run by sudo exits, the
pseudo-tty will be closed.  As a result of this, any process with
the tty open will receive SIGHUP.

In your example, when the iperf-daemon.sh scripts exits, iperf3
receives SIGHUP and exits.  If you run iperf3 like this:

    iperf3 -s </dev/null >/dev/null 2>&1 &

or better yet:

    iperf3 -s -D

you will not have this problem.

 - todd

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