Category: howto

Yes… … well… YESSS finally it works! BUT! IT’S VERY BUGGY! programs crash now and then… so it’s not “production” ready. … the foxlet approach worked 😀 (also got stuck in the last minute of setup of mojave… but after […]

if the spice tools are installed, clipboard sharing between host and guest (copy & pasting text and even images (!)) should (!) work 😀 What is not working virtualbox-easy-style (yet) is easy-host-to-guest-and-vice-versa-file-transfer (which IS VERY ANNOYING (RedHat are you listening? […]

The Flashplayer was a (unfortunately closed source, why not release the source NOW? Adobe? 😀) runtime binary to enhance multimedial capabilites of the browser THE FIRST possibility to stream videos inside the browser (youtube once used flash, now they shifted […]

https://app.diagrams.net/ there is also an cross OS offline version but: Security “draw.io Desktop is designed to be completely isolated from the Internet, apart from the update process. This checks github.com at startup for a newer version and downloads it from […]

hint! this script works! BUT: it can not deal with complex filenames, it needs “easy filenames” (yes no kidding). so something like: 2.mp4 and 3.mp4 in the same directory will work. or it will output: concat Unsafe file name: Operation […]

what to expect? while x264 and x265 are surely great codecs, the re-encoding of x264 to x265 is very CPU and thus time and energy intense and on preset  -crf 28 + mp3 audio (for material of high importance aac […]

in order to preserve best audio quality instead of converting audio, it is better (better audio quality and also faster) to simply extract the aac from an mp4 like this: vim /scripts/aacFromMp4.sh #!/bin/bash # 🙂 ffmpeg rocks! if [ -z […]

lsb_release -a; # tested with Distributor ID: Debian Description: Debian GNU/Linux 11 (bullseye) Release: 11 Codename: bullseye su – root wget https://download.virtualbox.org/virtualbox/6.1.32/virtualbox-6.1_6.1.32-149290~Debian~bullseye_amd64.deb sha512sum 7e977fde8a2fc370d7df24f761e75eced308ea17037113db877bd799abec4a3a9b6324fcbfda2d2a67d63fbe23b822abbd36ab0f9af4fc5c352df04a97dbe550 # needs to be dpkg installed manually # install requirements apt update && apt upgrade apt […]

prepare: echo “com -nargs=1 HI exe histget(‘c’, )” >> ~/.vimrc then start vim and type to show the history (commands last typed): [ESC] :history # or short :his now to re run the command #LineNumber 29, type: :HI 29