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How to execute a script during a SSH logon?
For execution of a script during logon, add it as a call from within the /etc/profile script. This is executed for every logon, not only for ssh logons. Thanks for contributing an answer to Ask Ubuntu!
What causes SSH connection to close after successful login?
In my case, it was caused by a user without a shell on an SSH server. It has a very easy fix, just use the -N switch with your (Open)SSH client. -N Do not execute a remote command. This is useful for just forwarding ports.
How to know if SSH authentication is failing?
You need to run ssh (the client, and possibly the server) with more verbosity to understand why authentication is failing. For the client, run On the server end, check the logs. /var/log/auth.log will give you a pretty good idea about what happens when you try to login, look for messages that contain sshd.
Can you connect to a server via SSH?
Those tools seem to work fine, but now I can’t even login to the server EXCEPT via local console. If I try to login via the GUI or if I try to login remotely via ssh, scp, or anything else, I get disconnected IMMEDIATELY upon successful login.
When do you run a command in SSH?
With the authorized_keys method, you can similarly run a command when the SSH session exits (unless the shell process is killed abruptly; you should at least trap the HUP signal so that your command is executed even if the connection dies). However this is not a good arrangement for doing something global like mounting a filesystem.
How to specify command in SSH config file?
This was added in OpenSSH 7.6: add RemoteCommand option to specify a command in the ssh config file instead of giving it on the client’s command line. This allows the configuration file to specify the command that will be executed on the remote host. You can do this with the cooperation of the remote machine as follows.
How to write shell script to SSH to remote machine?
Install sshpass using, apt-get install sshpass then edit the script and put your linux machines IPs, usernames and password in respective order. After that run that script.