23.01.2019
long story short: “The Year 2038 problem is where the Unix time can no longer be stored in a signed 32-bit integer and thus after 19 January 2038 will begin wrapping around as a negative number for representing the number […]
19.12.2017
update: 2022-06 by now under xfce4 (+lightdm + firefox) it can do 720p and 1080p Youtube (see below screenshots and video) with passive cooling ARM CPU getting very hot rendering: 720p Youtube video 70C (158F) 1080p Youtube video 80C (176F) active […]
25.04.2017
While biodiversity is GOOD and efficiency is NOT all we need. Nature looks for a balance of efficiency (30%) and resilience (70%). Standardization is enshuring that your work is compatible with future versions – therefore important for programmers, administrators and […]
30.08.2016
0. generate keys on client [cc lang=”bash” escaped=”true” width=”600″] ssh-keygen -t rsa -C “backup user on client that wants to rsync to qnap far away”; [/cc] when asked for passphrase, do not enter anything… 1. one needs to upload one’s […]
07.02.2016
2021: update! the old Mumble App (Plumble) does not work well with Android v10 and higher. luckily, someone made an updated version called “Mumla”: https://f-droid.org/en/packages/se.lublin.mumla/ backup: https://dwaves.de/software/apps/Mumla_se.lublin.mumla.zip (sha512sum: e3d9f366a1c3895e24c051a96f6114a30d89713e3098de77a7716ff9187b0b47db58b98eaca3386ddfd09433cd3f1a3aa5a1e29043cb9d40cb280d966852b42e) (tested and works with LineageOS 17 / Android 10) what is great […]
26.03.2015
(tested on Qnap TS-219P) 1. login to web backend 2. go to App Center and install ipkg Optiware 4. login via ssh into backend: filename: InstallScreen.sh ipkg update; # update package repository ipkg install screen; # install screen ipkg install […]
13.11.2014
Update: 2021 Avoid CO2 use the Fusion Reactor in the Sky (if the 2 is pronanced German than it even rhymes) as a lot of fossil fuel is (still in 2021!) used to produce electrictiy, it is possible and recommended […]
08.02.2013
what is great about mumble: clients exist for Windows, OSX, (at least Debian/Ubuntu) Linux and even Android and IPhone. the audio quality is SUPERB (better than phone) if you use good headphones like sennheiser a disadvantage is the reverb that […]