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How to stop idle timeout
Putty ssh connection to the Exadata compute node always times out after some time. First I found /etc/profile had TMOUT=14400 so I commented that out. Then I experimented with
in /etc/ssh/sshd_config with various values or commented both lines out, followed by `systemctl restart sshd'. New sessions still time out. There's nothing relevant in /etc/ssh/ssh_config, nor anything in ~/.ssh. `echo $TMOUT' shows nothing. What could be causing this idle timeout? My Putty windows to other, non-Exadata servers don't time out.