ChatGPT desktop for Linux: the .deb adds an OpenAI apt repo
Three years of people asking, and on 11 August it turned up: a native ChatGPT desktop app for Linux, public preview, shipping as DEB and RPM packages for x64 and ...
Three years of people asking, and on 11 August it turned up: a native ChatGPT desktop app for Linux, public preview, shipping as DEB and RPM packages for x64 and ...
The headlines made it sound like every Linux PC turns into a brick on 27 June 2026, the day Microsoft's 2011 Secure Boot certificate expires. It doesn't. If your machine ...
You chmod a file, it works, you move on, and permissions stay a thing you never quite have to learn. Then a script won't run, throwing Permission denied, or a ...
Someone on the phone asks for your IP, and you blank on which command your OS wants. Windows takes ipconfig; Linux wants ip addr, or just ip a if you're ...
So the script won't run, or a web folder throws a 403 you can't explain. That's permissions, and the fix is usually chmod 644 for a plain file or chmod ...
The service is down, you've got a shell, and the fix is one systemctl verb away. systemctl status nginx tells you whether it's running and tails the last few log ...
A disk fills up, or a config file vanishes, and suddenly we need one file out of fifty thousand. find is the tool for that, and its shape never changes: ...
Somewhere in this project sits the line that sets that value, and we have no idea which file. grep 'pattern' file searches one file, and grep -r 'pattern' . walks ...
Someone hands us a release.tar.gz and the clock's already ticking. Two commands cover almost everything: tar -xzf archive.tar.gz unpacks one, tar -czf archive.tar.gz folder builds one. The flags look cryptic ...
Your server won't start and the terminal throws 'address already in use'. Something's squatting on that port, and sudo lsof -i :8080 (or ss -ltnp on a leaner box) tells ...
Stéphane Cardon, network cybersecurity engineer. Architecture, LAN and WLAN, system administration. PacketNebula holds the tools and answers he wanted for his own work.
Copyright © 2026 Stephane Cardon.
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