[CentOS] vncviewer via gateway option question

Robert Moskowitz rgm at htt-consult.com
Tue Jul 15 01:18:18 UTC 2008

the man page for vncviewer presents the -via gateway option to use ssh 
through a gateway.

I understand if I want a secure vnc connection to server.foo.com I can 
use the command:

vncviewer localhost -via server.foo.com

But I have moved my SSHD services from port 22 to port n.  So according 
to the man pages, I need an environment variable of VNC_VIA_CMD and 
override the default command with:

/usr/bin/ssh -p 7722 -f -L "$L":"$H":"$R" "$G" sleep 20

where 7722 is the port for sshd.

How do I set up this environment variable on my notebook.  Would I 
modify my .bash_profile file, and is the format of the added line:

VNC_VIA_CMD=/usr/bin/ssh -p 7722 -f -L "$L":"$H":"$R" "$G" sleep 20


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