today's howtos
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Ubuntu Handbook ☛ Add/Remove Ubuntu “Proposed” Repository for Testing Updates
This tutorial shows how to add (or remove) the “proposed” repository to install (or downgrade) the pre-released packages/updates in Ubuntu. As you may know, Ubuntu has an area called proposed for updates that are being tested before publication.
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Ruben Schade ☛ Stopping FreeBSD jails in reverse order
Today I learned that you can stop FreeBSD jails in reverse order from when they were started.
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Net2 ☛ Repeat GNU/Linux Commands Every X Seconds for Real-Time Monitoring, Automation & Precise Scheduling
Linux administrators and power users often need to run commands repeatedly. Whether you’re monitoring system performance, tracking log changes, or automating routine tasks, the ability to repeat a command at a specified interval is essential.
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Net2 ☛ Fix Broken Packages in Ubuntu 24.04: Step-by-Step Guide to Package Repair & Removal
Encountering difficulties while trying to uninstall a package in Ubuntu? This concise guide offers helpful tips using Ubuntu’s built-in tools to assist you in removing potentially problematic packages on your Debian-based operating system. Let’s begin.
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Curt Merrill ☛ Light-up map
I assembled the SVG in Affinity Designer. It took a couple of tries to get everything arranged so that it would fit within the Glowforge’s work area, and then a couple more tries to make sure the different elements were in proper layers for the Glowforge software to differentiate between cutting (for the holes) and etching (for the map and labels).
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University of Toronto ☛ More potential problems for people with older browsers
I've written before that keeping your site accessible to very old browsers is non-trivial because of issues like them not necessarily supporting modern TLS. However, there's another problem that people with older browsers are likely to be facing, unless circumstances on the modern web change. I said on the Fediverse: [...]
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James Stanley ☛ James Stanley - The world's stupidest AppImage
I've been trying to make some changes to FreeCAD recently, and as part of that I've been building FreeCAD inside a distrobox so as not to clutter up my main filesystem with FreeCAD's extensive build dependencies.
However I found that once I had compiled the binary, it didn't work properly when running inside the distrobox. The GUI would load up, but anything involving a 3d display just didn't appear.
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Hiro ☛ The Photo Challenge
Each Monday, for five weeks, I'll email you a different essential composition technique to focus on while taking photos that week. I'll include a short write-up introducing the technique, maybe give some famous examples, and hopefully provide a little inspiration to go make some great pictures.
It doesn't matter if you're taking your Hasselblad on an Arctic safari, or just taking an iPhone shot of your coffee in the morning. You should be able to find easy ways to put these things to use and hopefully sharpen your skills set along the way!
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APNIC ☛ Building a secure test environment for an IXP
An Internet Exchange Point (IXP) is a unique and vital hub in the ecosystem of the Internet, where network operators from all over the world come together to exchange traffic directly and efficiently. Technically speaking, it works as a Layer 2 broadcast domain — a single subnet where participants’ routers connect. But beneath this straightforward definition lies a dynamic and interdependent system that relies heavily on cooperation and mutual trust to operate smoothly.