When ssh'ing, how can I set an environment variable on the server that changes from session to session?

Of course, you can set the environment variable inside the command, however you'll have to be careful about quoting: remember that your shell is going to parse your local command line, and then the remote shell will have a go on the string it receives. If you want a variable to get the same value on the server that it has on the client, try the option: This requires support from the server, though. With OpenSSH, the variable name has to be authorized in . If the server only allows certain speci…