George Georgovassilis writes about information technology architecture
I wasn't aware of tar's --blocking-factor parameter: -b, --blocking-factor=BLOCKS Set record size to BLOCKSx512 bytes. This actually reduces CPU load and backup creation times measurably. Figures for backing up 7GB on my home NAS: Setting Seconds Setting Minutes.Secods------------------------------default 1.18 512 1.071024 1.052048 1.08 The fastest setting (1024) is 11% faster than the slowest (default).
I recently had trouble setting up a Google workspace account on my Android phone. Symptoms:- The phone persistently displays "Something went wrong and you need to sign in again". On clicking that, you get the same message again.- The phone persistently displays "android account action required". On clicking that, you get the same message again.- … Continue reading Android: “something went wrong and you need to sign in again” loop
I usually don't write about the Microsoft Windows ecosystem, but this one took a while to figure out and I hope it saves other people time. The setup: Microsoft Windows, the Teams application, a Canon EOS camera attached over a no-name HDMI-to-USB video grabber being used as a web cam. The issue: video sporadically freezes … Continue reading Microsoft Teams video freezing
An Elgato Camlink 4K wouldn't work under Ubuntu 22.04. It would show up with lsusb, but Cheese wouldn't list it as a device and OBS studio would show it as a disabled device. A little stream conversion magic [RED] #!/usr/bin/env bash # You need to run # sudo apt install v4l2loopback-utils v4l2loopback-dkms # once and … Continue reading Elgato Camlink and Linux
I think that Ubuntu 22.04 doesn't remove old snap packages when they become unused because on my system this command: snap list --all shows a long, long list of packages. User chipaca found an elegant solution [sh]: LANG=C snap list --all | while read snapname ver rev trk pub notes; do if [[ $notes = … Continue reading Removing unused snap packages
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