Adding additional IP Address to ethernet interface

Scenario: You have several devices within your network, you’ve changed the address range for the network but you’ve forgotten to change one in particular. It’s easier to log into the device than to physically attend to it (it may be headless, it may not be in your immediate vicinity, or you’re just to lazy to …

Back from the Moon, Apollo Astronauts Had to Go Through Customs

Today commemorates 50 years since the moon landing. That means I’m officially half a century old! Not that I remember it, but on that day in July, I was in a baby bassinet watching Armstrong and Aldrin taking their historic steps. Apparently on their return to Hawaii they filled out a customs declaration. It was …

Forgotten raspberry pi login password

Today I am working on an old raspberry pi (model B, original version) and need to get this project up and running, but I have forgotten the password. No problem. Let’s take the SD card and edit the `cmdline.txt` file in the root directory and add `init=/bin/sh` to the end of it (make sure there …

journalctl -xef -u some.service

systemctl status … will display an excerpt. If the error is displayed when starting Caddyserver from a console, but is not shown in the logs if an initdaemon such as systemd is used (which logs stdout and stderr), then Caddyserver’s authors have forgotten to Flush stdout and/or stderr before exiting. found: https://caddy.community/t/cant-start-caddy-with-systemd-service-file/3447 I wish I’d found this little gem a long time ago!