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Home» Archives for Gilles Kaelin» Page 2
About Gilles Kaelin
Sometimes I do things, sometimes I don't. As a computer buff, I share tips on this site that have taken a lot of effort to find quickly.
Develop directly in the /var/www folder under Linux without admin rights
Posted in Informatique Linux/UNIX

Develop directly in the /var/www folder under Linux without admin rights

Having recently upgraded to Debian 13 for my workstation, I continue to develop web applications with a local Apache server. The problem is that when editing files…
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KDE Plasma - Add an application manually to the launcher
Posted in Informatique Linux/UNIX

KDE Plasma - Add an application manually to the launcher

When I install a Debian 13 workstation, I usually use the KDE Plasma GUI. It's quite similar to a Windows interface (to avoid users getting lost),…
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OpenVPN vs WireGuard: What are the differences?
Posted in Uncategorized

OpenVPN vs WireGuard: What are the differences?

Recently, I discovered that the OpenVPN package on my OPNSense devices was no longer going to be updated starting with version 26.1, which means starting in January 2026. Instead, the team…
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Linux Folder Tree
Posted in Informatique Linux/UNIX

Linux Folder Tree

In Linux, there are many folders created at the root of the system hard drive mount point. But what exactly is the purpose of each folder displayed? We…
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The difference between a virus and malware
Posted in Informatique Linux/UNIX Serveur Web Windows

The difference between a virus and malware

Today we're going to talk about two threats that are quite similar, but which we tend to confuse. Let's start with the definitions: Definition of malware The term malware comes from the…
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Latest articles

  • VirtualBox - Fix VERR_VM_DRIVER_NOT_INSTALLED problem
  • VirtualBox won't launch on Linux
  • Erreur VERR_VMX_IN_VMX_ROOT_MODE sur Debian 13
  • The 5 most common IT mistakes in SMEs and how to avoid them
  • Debian 13 - Developing in PHP 8.0 and 8.4 on the same computer
  • VirtualBox - Fix VERR_VM_DRIVER_NOT_INSTALLED problem
  • VirtualBox won't launch on Linux
  • Erreur VERR_VMX_IN_VMX_ROOT_MODE sur Debian 13
  • The 5 most common IT mistakes in SMEs and how to avoid them
  • Debian 13 - Developing in PHP 8.0 and 8.4 on the same computer
Post You Might Like
Posted in Informatique Linux/UNIX
VirtualBox - Fix VERR_VM_DRIVER_NOT_INSTALLED problem
Posted by By Gilles Kaelin 24 octobre 2025
Posted in Informatique Linux/UNIX
VirtualBox won't launch on Linux
Posted by By Gilles Kaelin 24 octobre 2025
Posted in Informatique Linux/UNIX
Erreur VERR_VMX_IN_VMX_ROOT_MODE sur Debian 13
Posted by By Gilles Kaelin 10 octobre 2025
Posted in Linux/UNIX Server Computing
The 5 most common IT mistakes in SMEs and how to avoid them
Posted by By Gilles Kaelin 9 octobre 2025
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