My Favourite Bash Feature

Just a quick one here, but I used this a lot today and realised after chatting to some other devs that a lot of people don’t know about this trick. That trick is: History Expansion Let’s say you are SSH’d (or SSM’d on AWS if you want to be more secure) onto a Linux box and you want check the status of a service with systemctl status cassandra.service You see that the service is exited for some reason, and you want to restart it after determining that’s all that is needed. ...

May 4, 2023 · 1 min · 152 words