what to expect? (click here for two html embedded test video files, if the user’s browser can playback 264x and 265x) while x264 and x265 are surely great codecs, the re-encoding of x264 to x265 is very CPU and thus […]
one fine day, DNS stopped working. the reason this time was NOT on the server-side, but on the Google side, blocking all DNS servers that are NOT google. while this can be understood in the terms of CyberSec: + (manipulation […]
hardware used: AMD Ryzen 5600G Gigabyte Aorus B550 Elite AX v1 (Rev 1.1) 2x NVMe Kingston SA2000M81000G those are DATACENTER capable NVMes! (at a pretty nice price!) energy meassurements: meassured wattage when PC was idle (doing nothing): GNU Linux Debian […]
(has nothing to do with the drug) “Crystal is a general-purpose, object-oriented programming language, designed and developed by Ary Borenszweig, Juan Wajnerman, Brian Cardiff and more than 300 contributors.[5] With syntax inspired by the language Ruby,[4] it is a compiled […]
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 […]
“Shutdown of Peertube.co.uk” most noted reason: lack of funding lack of staff increasingly harsher rules and regulations “Since it’s inception in August 2019, Peertube UK has grown to host over 2000 users and over 19000 videos. Sadly, the time has […]
WARNING! MAKE BACKUP of ALL FILES ON THE HARDDISK! that being said, this search replace script works with the tool sed which required to escape all special characters. This tool will help with that: https://dwaves.de/tools/escape/ per default it will search […]
software minimalism is key for stability, maintainability, security and performance so regularly check, what services are running and if they can be disabled/uninstalled 🙂 systemd: systemctl.man.txt # list all units (list can be /searched like less) systemctl # list all […]
ok an alias is simply an appreviation (ll) of a longer command (ls -lah –color) defined in one of those files: user@Debian8:~$ bash -l; # simulates a login 1. hello from /etc/bash.bashrc 2. hello from /etc/profile 7. hello from ~/.bash_profile […]
# run this crontab -e # run backups at 2:00 0 2 * * * /root/scripts/backup.sh # daily updates at 3:00 0 3 * * * /scripts/update.sh mkdir /root/backups vim /root/scripts/backup.sh #!/bin/bash # what to backup WEBROOT=/var/www/html # where to […]
for debugging ssh stuff, this one liner is very handy (on client AND server) GNU Linux – monitor all logs in real time 😀 – follow all – show changes to log files under /var/log SFTP is very cool and […]
currently wrestling with a LTE modem, that used to work under Ubuntu, but refuses to work under Debian 11. while true; do echo “=== show modem status:”; mmcli -m 1|grep -e model -e primary -e state -e signal; echo -e […]
WARNING! AUTOMATE BACKUP BEFORE AUTOMATE UPDATE-UPGRADE! While keeping WordPress including its plugins and themes up to date on a daily basis is a important thing to avoid beeing hacked and abused to spread malware, it must be said, that automating […]
how long (many hours) will this notebook-laptop battery last? some sensors/softwares report/calculate things like this… 5days on one charge is a very very optimistic estimate for most intel or amd based notebooks (even for RISC/ARM based notebooks-laptops that would be […]
cyber is on heightened alarm levels … ya’ll know why. timeline of a successful attack on the most basic tools like: exiftool cve-2021-22204 (failed to properly validate parsed input) This was reported by a security researcher on April 7, 2021, […]
instead of reading massively long passages of text (which can become tiresome fast) it might be nice, to have the computer read out that text? let’s do that 🙂 click play to hear picotts read above text: multiple choices there […]
0) for security: keep all internet connected devices as up to date as possible! “Freifunk updates its router firmware and closes a critical security vulnerability that could allow attackers to install their own firmware on the devices” (src: heise.de) Also […]
lsb_release -a; # tested under Description: Debian GNU/Linux 10 (buster) su – root # create new file touch /scripts/shutdown.sh chmod +x /scripts/shutdown.sh # edit and insert orange content vim /scripts/shutdown.sh #!/bin/bash echo “=== shutdown as gracefully as possible ===” # […]
here is a demo video: the possibility to step (!) debug requests, as they appear on the server is a neat feature, xdebug + eclipse are a great team, when the setup is complete. installed GNU Linux Debian 11 […]
php8 delivers up to +25% better speed than php7, which is remarkable. follow this excellent guide, and how to upgrade apache2 based webservers from php7 to php8.1, simply replace php8.0 with php8.1 in this excellent guide guide: in short: su […]
straight after (Debian based) GNU Linux OS setup, usually doing those modifications to: speed up boot & start of programs grub timetout 1sec shotcuts for faster start of programs in MATE Desktop Alt+F2 -> fox, will start firefox (no need […]
get the mac address of the interface of the target PC(T) enable wake on lan in bios of the target PC(T) pace shure PC(T) has done a clean shutdown (it might be in an unkown state, so boot it up […]
everyone hates em…. cookie banners it’s “funny” (no actually not and forbes.com is not a site this user is visiting very often, it was this article that the user was interested in: https://www.forbes.com/sites/elizabethhowell1/2022/01/04/spacex-starship-orbital-launch-delayed-further-into-2022/), https://www.space.com/author/elizabeth-howell is actually writing for space.com, so […]
many users have/had macbooks. what was/still is great: OSX can be reinstalled over internet! (no more searching for licence keys or setup sticks/DVDs/CDs/) ‘power up or reboot your Mac then quickly hold down Command-Option-R until see the “Spinning World Logo”‘ […]
to swap or not to swap? That is the question. definitely define a large swap space (3x or 4x times RAM) unless the user has a really good reason (like not enough harddisk space) for example: without insane amounts of […]
colorful text gives much more oversight. errors are easier to spot when they are marked in red colorful text is acchieved by defining color codes “switching” between color modes and back to default vim /scripts/colors.sh #!/bin/bash RED=’\033[0;31m’ WHITE=’\033[0;37m’ YELLOW=’\033[0;33m’ COLOR_OFF=’\033[0m’ […]
ZFS is probably THE most controversial filesytem in the known universe: “FOSS means that effort is shared across organizations and lowers maintenance costs significantly” (src: comment by JohnFOSS on itsfoss.com) “Mathematicians have a term for this. When you rearrange the […]
if the user get’s this error message: (recommended to run this one-liner on server AND client while debugging ssh connection problems) lsb_release -d; # tested on (server and client) Description: Debian GNU/Linux 11 (bullseye) less /var/log/auth.log May 23 14:37:03 SshServer […]
they have gone missing. but they are available again under Debian 11 https://packages.debian.org/bullseye/gcc-doc hostnamectl; # tested on Operating System: Debian GNU/Linux 11 (bullseye) Kernel: Linux 5.10.0-9-amd64 Architecture: x86-64 apt search gcc-doc Sorting… Done Full Text Search… Done gcc-doc/stable,stable 5:10.1.0-1 amd64 […]
# requirements su – root apt update # has the convert command apt install imagemagick vim /scripts/create_thumbs.sh #!/bin/bash THUMBS_FOLDER=/path/to/images/thumbnails for file in /path/to/images/* do # next line checks the mime-type of the file IMAGE_TYPE=`file –mime-type -b “$file” | awk -F’/’ […]