Sometimes there are needs to run a bash script on the first monday of every month.This can be easily achieved. Create crontab entry to run script every monday: now in the script add the check for the first monday of month:

To sace the passphrase and only enter it once add this to your .bashrc After this you can logout and login aggain and will be asked for your passphrase. This will be saved and used for each connection to new servers