Which command is used to return an exit code?

Which command is used to return an exit code?

How to get the exit code of a command. To get the exit code of a command type echo $? at the command prompt. In the following example a file is printed to the terminal using the cat command.

What does exit 255 mean?

ssh returns 255 when an error occurred or 255 is returned by the remote script: EXIT STATUS ssh exits with the exit status of the remote command or with 255 if an error occurred. Usually you would an error message something similar to: ssh: connect to host host.domain.com port 22: No route to host.

How do I get out of SSH?

Which is the most gentle way to end a ssh session

1. Bash built-in command exit. $ exit.
2. Bash built-in command logout. $ logout.
3. Keyboard shortcut Control + D.
4. External command fuser. $ fuser -k /dev/pts/[n]
5. Get sshd process id for current user then kill this process.

What should the exit code be for SSH?

Any help and code is appreciated. ssh will exit with the exit code of the remote command. For example: So after your ssh command exits, you can simply check $?. You need to make sure that you don’t mask your return value.

How to display the return code for SSH?

To display the return code: Use echo %errorlevel% to display the return code after executing an SSH or SCP command. Connecting to host failed. No permission to access file. This document was originally published as Attachmate Technical Note 2116. © 2021 Micro Focus.

How to remove SSH keys from ssh agent?

Assuming your private SSH key is named ~/.ssh/id_rsa, add following to the config file: Next, make sure that ~/.ssh/id_rsa is not in ssh-agent by opening another terminal and running the following command: This command will remove all keys from currently active ssh-agent session.

How to get the output of a SSH command?

An interesting approach would be to retrieve the whole output of each ssh command set in a local variable using backticks, or even seperate with a special charachter (for simplicity say “:”) something like: after this you can use awk to split MYVAR into your results and continue bash testing.