Vacuum your CPU: When cooling suddenly doesn’t work anymore

So I compiled a Linux kernel with 8 threads in parallel on my Linux desktop machine, as I always do. The CPU worked extra hard as usual, but lately its temperature began to rise, ending up at 88°C. It looks like a clock gating mechanism kicked in to save the CPU. But hey, this never [...]

List all files in a subdirectory, with the SHA1 sums

Useful for diffing two sets of filesystems, just to see where the changes are (and maybe catch a file that was accidentally copied in) Symbolic links and other non-regular files are ignored. If they’ve changed, there is no alarm on these. The script (the path to the directory to be scanned is given as an [...]