Extracting Messages from Signal Desktop

While Signal might be the best crypto messenger out there, it is terrible when it comes to simple convenience functions. Sometimes I want to export a chat to archive it or share it with someone who has lost parts of an important conversation due to a key change. But Signal doesn’t offer any official way to create a CSV or even a PDF export. On the other hand, Signal is Open Source , and it’s not very hard to find a way to roll your own export.
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Setting up IPv6 on a Web Server

This weekend, I finally came around to enabling IPv6 on my web server. In this post, I describe what I did to get everything up and running on a netcup vServer running CentOS 8, but this should be quite the same for other web hoster services. Motivation My ISP (like many others) primarily uses IPv6 for client IPs and offers IPv4 access via DS-Lite . On random occasions, the IPv4 gateway (DS-Lite NAT) isn’t available, and I can only access the part of the internet which is correctly configured for IPv6 traffic.
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Solid Color Background in Gnome 3

Gnome is notorious for reducing user options in the GUI to a minimum. So if you want to use a solid color background instead of a wallpaper, your only option using the UI is to select an image of whatever color you want your desktop background to be. As someone who does not like any distracting elements on the desktop, this feels tedious to me. Fortunately, the functionality is still in the code.
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Installing Fedora 34 with an AMD Radeon RX 6700 XT

I had a little hickup when I installed Fedora 34 on a machine with an AMD Radeon RX 6700 XT graphics adapter: the boot process got stuck after mounting /tmp. I assume this was caused by KVM, because booting in basic graphics mode worked flawlessly. This is nothing to be worried about. The bootstick obviously just didn’t include the necessary microcode for this rather new GPU. Since Fedora is known for including such microcode in the update cycle of their current releases, I assumed a simple # dnf update might fix this after the installation.
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