SSH – Remote Command in SSH Config File

sshssh-config

I'd like to set ssh_config so after just typing ssh my_hostname i end up in specific folder. Just like I would type cd /folder/another_one/much_much_deeper/.

How can i achieve that?

EDIT. It's have been marked as duplicate of "How to ssh into dir…" yet it is not my question.

I know i can execute any commands by tailing them to ssh command.
My question is about /ssh_config file not the command.

Best Answer

There wasn't a way to do that, until OpenSSH 7.6. From manual:

RemoteCommand

Specifies a command to execute on the remote machine after successfully connecting to the server. The command string extends to the end of the line, and is executed with the user's shell. Arguments to RemoteCommand accept the tokens described in the TOKENS section.

So now you can have

RemoteCommand cd /tmp && bash

It was introduced in this commit.

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Ssh – Reverse ssh tunnel in config

BindAddress is not the option you're after. From man ssh_config:

BindAddress
         Use the specified address on the local machine as the source
         address of the connection.  Only useful on systems with more than
         one address.

The configuration file equivalent of -R is RemoteForward:

RemoteForward
         Specifies that a TCP port on the remote machine be forwarded over
         the secure channel to the specified host and port from the local
         machine.  The first argument must be [bind_address:]port and the
         second argument must be host:hostport. [...]

With this information the command line

ssh -R 55555:localhost:22 user@host

translates into the following .ssh/config syntax:

Host host
HostName host
User user
RemoteForward 55555 localhost:22

Ssh config auto execute remote command

As the name indicates, LocalCommand runs a command on the local (client) machine, not on the remote (server) machine. The command that runs on the server is the argument(s) that you pass to ssh after the options and the host name.

By default, a terminal is not created when you pass a command, so pass the -t option to create one. Instead of ssh yourserver, run

ssh -t yourserver exec sudo -iu project_user

Best Answer

RemoteCommand

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Ssh – Reverse ssh tunnel in config

Ssh config auto execute remote command

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