Linux Mint

IPython is an amazing tool, and in particular IPython Notebook, which is easily the best ‘python scratch-pad’ I’ve ever used. However, a while ago something strange happened to my set up and I’m not entirely sure when or how but either way, here’s how I ‘fixed’ it. The Problem TL;DR Can’t execute anything at all using Chrome, works fine in other browsers. WebSocket connection failed A WebSocket connection could not be established. You will NOT be able to run code. Check your network connection or notebook server configuration ...

There’s several very valid tutorials and guides around about getting Ubuntu, Debian and Mint to automatically update and upgrade, but they don’t do much explaining/checking. This is a short post filling in the gaps I observed. Get the package sudo apt-get install unattended-upgrades -y Enable the package scheduler File Being Messed With: /etc/apt/apt.conf.d/20auto-upgrades Log File Being Watched: /var/log/unattended-upgrades/unattended-upgrades.log I’ve got no idea why this isn’t automatic; possibly that in other environments, you only want security level upgrades to core system components rather than updating all regular applications. (Not doing this left me scratching my head for a while wondering why the logs kept saying No packages found that can be upgraded unattended when apt was telling me something completely different. Anyway, put the following into a new file named above. ...