If you are running a unix-like machine, like a Linux workstation, or BSD or Apple Mac, you might be acquainted with the ~/.ssh directory. SSH stores known hosts in their, as well as your public and private SSH keys and more important stuff.
The contents of a ~/.ssh/config look something like:
Host homeserv HostName home.mydomain.net Port 22 User michiel # Routers, so I config them from on the road LocalForward localhost:8001 192.168.1.1:80 LocalForward localhost:8002 192.168.1.2:80 LocalForward localhost: # SickBeard LocalForward localhost:8081 localhost:8081 Host dev HostName dev.corp.net Port 22 User mscholten
Of course you can add as many 'Host' configs as you like.
You can now use these configs from your terminal:
ssh dev instead of
ssh email@example.com (or those long lines with port forwards you tended to create an alias for in ~/.bash_aliases).
Bonus: if you are running gnome-shell on your machine, you can install the SSH search provider extension, so you can directly launch a terminal with all settings in place from the overview page. Productivity boon in my not-so-humble opinion ;)
For more information, see Advanced SSH configuration and tunneling: We don't need no stinking VPN software.
Also, if you want do some VPN-like stuff, you really need to check out Never again be thwarted by restrictive "guest" wifi (e.g. on buses or airplanes). The sshuttle proxy they use is really nifty.
Hi, Where is config file for my Linux CentOS 6?