Recently I discovered that Apache can use environment variables. This can be very useful for some situations. In my case I want to determine if… Read More »Let Apache environment variables survive an internal redirect
LVM thin pools are great. I love them. They offer a great deal of flexibility especially combined with autoextend functionality. The idea is to keep your pools as small as possible and let them autoextend whenever needed. So if the pool is always as small as possible, why do you need to shrink it?Read More »How to shrink your LVM2 thin pool manually (if you are adventurious)
Preface As a homeserver I run an Orange Pi PC which is powerful enough for my purposes. It runs some basic services such as a… Read More »Debian armhf kernels in QEMU via U-Boot
Recently I stumbled across this post by Mark Osborne. Using this method, it is relatively easy to use the USI in the ATtiny to accomplish… Read More »Incredibly fast baud rates using USI UART for ATtiny
As I frequently reinstall my OS (for various reasons) but in the mean time I still want to be able to access my old OS for daily use, I do a lot resizing of filesystems and partitioning of my hard disk. When the time has come to use the new OS installation as a daily driver, I like to reclaim my old OS space so I can have all the space available.Read More »Convert an existing Linux file system to LVM
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In every modern home nowadays, there are at least one or more home automation devices. Probably the most used kind of devices are smart thermostats. Often energy companies have there own devices which you can buy with a discount if you take a contract with them as well. There are also some standalone devices from third parties available on the market. Regardless of which device you choose, they all have roughly the same benefits over a standard thermostat: controlling the temperature when away from home, detecting if someone is actually at home and the overall ease of programming.Read More »Reverse engineering the Essent E-thermostaat
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