I am looking more and more into Cloud-Hypervisor or Firecracker. The other day I had this random thoughts: “These trendy new hypervisor can boot a kernel directly, why can’t qemu do it?”. It turned out that it can perfectly does that. Here is a random recipe to have a working Ubuntu, without having to use grub or any bootloader. Note that ubuntu first boot is still utterly slow and bloated (snap and cloud-init, I’m looking at you !...
This post concat some tips I learned along the way about the SSH which makes me more productive. Put generic Host config at the end The config file is read sequentially, and the first rule that matched will be taken into account. If you put your Host * 1 at the top of your ~/.ssh/config then further rules won’t be applied. Host foo Username bar Hostname foo.baz # this rule will apply to all connection....
Last week a colleague ping us on #container-support slack channel to report us a weird bug. A container worked on his machine, but not on our OpenShift cluster. He said that the dynamic linker was not able to resolve the libQt5Core.so.5. This was new since it worked perfectly for QGIS 3.10 but not in 3.16. Result of ldd /usr/local/bin/qgis_mapserv.fcgi|grep Core where: libQt5Core.so.5 => not found libQt5Core.so.5 => not found libQt5Core.so.5 => not found libQt5Core....
I tried several stuff to configure emoji properly on Linux. I really suffer to get it working Here is my desktop setup : Distro: Arch Linux WM: Wayland DE: Gnome Terminal: Alacritty If you don’t know Alacritty, you should check it out. They still have a weird bug with emoji but it’s a great terminal emulator. I installed the noto emoji, but it emoji one also works. On arch: pacman -S noto-fonts-emoji On ubuntu...
We have a new VPN at work which works with WireGuard. There are a lot of guides on the web like : Wireguard VPN : Typical Setup : The poetry of (in)security Getting Started with WireGuard I’m going to present 2 cases: Home need: I need a VPN access for my phone and laptop in order to access block stuff in some situation. All the traffic goes throught the VPN. It’s the simplest case Work need: I need to access some ip or ip ranges but not all the traffic goes throught the VPN....