[cs631apue] About ssh

[Jan Schaumann]

Haoyang Li <hli40 at stevens.edu> wrote:
 
> Few days ago I could login cs631.netmeister.org correctly. However, I tried
> login cs631apue.netmeister.org today, it came out an error: "shell request
> failed on channel 0".

The problem is that you are running too many processes:

# ps wx -U hli40 | wc -l
     161
# ulimit -p
160
#

Most of those are zombies, so it looks like your 'server_fork' process
needs to improve to clean up its children.

I've just killed the parent processes of all these zombies, and you
should now be able to log in again.

-Jan