Old ssh sessions left due to /usr/bin/su and do not terminate

Solution Unverified - Updated -


There are old sessions hung when su was used. See tree


when I just close such window without exiting from su first, it does not kill su and it's childs:


This way there are already have 100+ old sessions:

ps -ef |grep "/bin/su -"|wc -l


  • Red Hat Enterprise Linux 6

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