Nearing the End

bash/ssh Timeout

How to ssh to a machine where I run bash and not have the session timeout after an hour of inactivity???!?

Just Unset TMOUT? Nope, it wasn't set and I Still Timeout.

$ ssh ud00
Last login: Wed Aug  2 13:43:47 2006 from dsl027-167-091.atl1.dsl.speakeasy.net
$ set | grep TMOUT
$ Read from remote host ud00: Connection reset by peer
Connection to ud00 closed.
$

ssh KeepAlive Option? Nope!

$ cat /home/mudd/.ssh/config
KeepAlive yes
$
$ ssh ud00
Last login: Wed Aug  2 13:43:47 2006 from dsl027-167-091.atl1.dsl.speakeasy.net
$ Read from remote host ud00: Connection reset by peer
Connection to ud00 closed.
$
$ rm  /home/mudd/.ssh/config
$

Ignore Signals? Nope!

$ ssh ud00
Last login: Wed Aug  2 10:43:40 2006 from dsl027-167-091.atl1.dsl.speakeasy.net
$ trap '' 1 2  # Ignore SIGHUP and SIGINT
$ date
Wed Aug  2 14:43:42 EDT 2006
$ Read from remote host ud00: Connection reset by peer
Connection to ud00 closed.
$

Xclock works, I just wish there was a simpler way.

$ ssh ud00
Last login: Wed Aug  2 16:28:22 2006 from dsl027-167-091.atl1.dsl.speakeasy.net
$ xclock
[1] 5835
$

ssh_config - OpenSSH SSH client configuration files. It works!!

From "man ssh_config":

     ServerAliveInterval
             Sets a timeout interval in seconds after which if no data has
             been received from the server, ssh will send a message through
             the encrypted channel to request a response from the server.  The
             default is 0, indicating that these messages will not be sent to
             the server, or 300 if the BatchMode option is set.
             ProtocolKeepAlives is a Debian-specific compatibility alias for
             this option.



Before adding option:

$ ssh od00
mudd@od00's password:
$ Read from remote host od00: Connection timed out
Connection to od00 closed.



After adding option:

$ ssh -v
OpenSSH_4.2p1 Debian-7ubuntu3, OpenSSL 0.9.8a 11 Oct 2005
$
$ cat ~/.ssh/config
ServerAliveInterval 300
$


$ ssh od00
mudd@od00's password:
$

No timeout after being connected and idle all night long!!!

last updated 2 years ago #