On Ubuntu 22.04 and 24.04, the background image that you set for your desktop doesn’t appear on the login screen. I will go over two ways of synchronizing the login screen wallpaper to match the one chosen for the desktop.

While setting up PiHole on an Ubuntu 24.04 server, I realized that the usual instructions I’d been following for years on Debian systems for setting a static IP address (often involving /etc/network/interfaces or /etc/resolv.conf) weren’t going to work here. It’s worth sharing now that I’ve learned how for myself. Netplan…

A reverse shell is a type of shell where the target machine (under attack) communicates back to an attacker’s machine, and importantly, gives the attacker control over the target machine.

I’m not a networking professional, but I’ve often had to impersonate one. Here are some of the tools and commands I’ve found useful over the years.

When working with certain AWS services that require secure connectivity over TCP, you might run into the dreaded “unable to get local issuer certificate” error. This is because the service is presenting a certificate signed by an Amazon CA that isn’t in your trust store. I’ve commonly seen this with…

Returning to photography from a post-pandemic malaise has been an invaluable experience that forced me to re-evaluate my workflow and tools. The main reason for the break was the ease with which I slipped into staying at home, and the decreased prevalence of dedicated cameras and photography communities. There’s a…

I’ve modified my Kobo device to generate images from passages of text that I highlight. I select a passage of text, choose the “Visualize” option from the menu, and that text is passed to Stable Diffusion. The output is then displayed on the Kobo’s screen.