I recently started to add many useful open source services to my Raspberry Pi, like Jenkins, GitLab etc… I wrote some articles about running some services on a arm64 device here:
After these, I also wanted to try WordPress: it is already available as a comfortable docker image for arm64. How could I put it to work? I thought I could reimplement the Bugfree Blog in WordPress!
Unfortunately it was a bit harder than I thought: first of all this bug was making the system completely unstable. I fortunately found a workaround soon by bisecting the kernel, and now there is also an official fix. The fix is not published yet on Ubuntu, but with this docker image I can apply the patches and cross-build the Ubuntu kernel quickly.
A second problem was related to disconnections of USB devices when USB hubs are connected. This is still unresolved.
A third problem is related to the SD card: I never had problems with the SD card, but I recently broke a few. The Raspberry Pi 4 is hotter that I thought, even when load is minimum. The SD cards are guaranteed to work properly up to 85°C, and the Raspberry Pi is set to that max temp, but I tried to reduce it by using a proper case and adding a little (and very professional) Lego castle to encourage heat dissipation. Let’s hope SD cards can live longer.
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