Contents
- 1 How to use environment variables in SSH command?
- 2 How to pass variables in remote SSH command stack?
- 3 How to set SSH env vairables by every connection?
- 4 Is the permituserenvironment parameter ignored by SSH?
- 5 How is shell pass variable passed to SSH?
- 6 How to escape variables in remote SSH command-stack?
How to use environment variables in SSH command?
A script abc.sh is saved on Y server. I am running abc.sh from server X using ssh command. Script is running successfully but the commands which contain the environment variables (kept in /.bash_profile) of server Y are giving blank output.
How to pass variables in remote SSH command stack?
$BUILD_NUMBER is set on the machine making the ssh call and since the variable doesn’t exist on the remote host, it doesn’t get picked up. How do I pass the value of $BUILD_NUMBER ?
How to access variables outside of the SSH session?
If you really want to set the environment variable on the remote host and use it, you can use the env program Escape the variable in order to access variables outside of the ssh session: ssh [email protected] “~/tools/myScript.pl \\$BUILD_NUMBER”
Can you use environment variable in direct command run?
Since direct command run is not an interactive shell, your variable will not work there. source will run script in your current shell and make visible environment variables in that file to your script. I run some cron jobs using ssh connect a remote machine.
How to set SSH env vairables by every connection?
Example: you put the necessary variables in ~/.my_var.rc and then for each remote command you do ssh user@remote bash -c “source ~/.my_var.rc; ” If this suits you, you can then refine this concept and script it for convenience.
Is the permituserenvironment parameter ignored by SSH?
However, this user configuration file is ignored by default by the SSH server process unless the option PermitUserEnvironment is set to yes. Therefore you need to make sure to edit /etc/sshd_config on the SSH server to add or update this parameter:
Where do I find the environment variable for RBenv?
The RBENV_VERSION environment variable, if specified. You can use the rbenv shell command to set this environment variable in your current shell session. The first.ruby-version file found by searching the directory of the script you are executing and each of its parent directories until reaching the root of your filesystem.
How to set up RBenv in Ubuntu command line?
Add ~/.rbenv/bin to your $PATH for access to the rbenv command-line utility. In Ubuntu ~/.bash_profile is only sourced by bash when started in interactive login mode. That is typically only when you login at the console (Ctrl+Alt+F1..F6), or connecting via ssh. This issue is explained in detail here. Set up rbenv in your shell.
How is shell pass variable passed to SSH?
Above, we’re passing the content of the $parameter bash shell variable as the LC_parameter environment variable to ssh. ssh sends that over to sshd, which if it accepts it, passes it as an environment variable to the login shell of the user which then passes it to that csh command (which can then expand it).
How to escape variables in remote SSH command-stack?
Escape the variable in order to access variables outside of the ssh session: ssh [email protected] “~/tools/myScript.pl \\$BUILD_NUMBER” Thanks for contributing an answer to Stack Overflow!