Category: free software

What is Right – What is Wrong – with great powers comes great responsibility (aka the “Peter-Parker-principle” (Spiderman 2002)) – Big Tech with better and betters Tools and without better Ethics Morals unkowing what is Right or Wrong
17.07.2021

in short: humans per default, without an education might just be “better” apes. Some parts of mankind behave very primitive and clearly show no signs of higher intelligence or education. The troubles start, when the tools become more and more […]

unit of data storage – byte kilobyte megabyte gigabyte terabyte petabyte exabyte zettabyte yottabyte nonabyte doggabyte kibibyte mebibyte gibibyte tebibyte pebibyte exbibyte zebibyte yobibyte nobibyte dogbibyte
12.01.2021

Byte The term byte was coined by Werner Buchholz in June 1956,[4][13][14][b] during the early design phase for the IBM Stretch[15][16][1][13][14][17][18] computer, http://archive.computerhistory.org/resources/text/IBM/Stretch/pdfs/Buchholz_102636426.pdf backup mirror: PLANNING A COMPUTER SYSTEM BROJECT STRETCH Buchholz Campbell_102636426.pdf which had addressing to the bit and […]

LibreBoot – (how to mount luks2 encrypted volume) LVM encrypted volumes needs correct CMOS clock time – Volume Group not found – failed to read int token error parsing metadata
03.12.2020

to recover the data: how to mount luks2 encrypted volume possibility: remove harddisk, attach to sata2usb adapter, then mount on different machine like this: # unlock encrypted harddisk udisksctl unlock -b /dev/sdb5 udisksctl mount -b /dev/mapper/ubuntu–vg-root Mounted /dev/dm-1 at /media/dpm/e8cf82c0-f0a3-41b3-ab28-1f9d23fcfa72 […]

Fedora CentOS RedHat – adding new fonts to the system for LibreOffice to use
15.12.2019

Adding new fonts for all users To install fonts for all users for example the boring company font: https://www.futurafree.com/wp-content/uploads/2017/04/futura-bold.zip one need to login as root and create a directory under /usr/share/fonts/ # tested on hostnamectl Static hostname: centos.localdomain Chassis: laptop […]

ntpd – when fundamentals fail
06.07.2019

servers/clients/computers/programs/services/webservers need accurate time… they usually get it from time servers that have an atomic clock attached to their USB port. (just guessing) ping time.google.com PING time.google.com (216.239.35.4) 56(84) bytes of data. 64 bytes from time2.google.com (216.239.35.4): icmp_seq=1 ttl=46 time=43.5 […]

how to ssh into your android phone
01.07.2019

update: 2020-05 for whatever reason the following SSHDroid app does not work anymore. please checkout the even easier to use (default port: 2222) and setup: SimpleSSHD (Easy to use SSH server) – https://f-droid.org/app/org.galexander.sshd # start the ssh server app # […]

lnav – like less but more colorful output of log files
03.02.2019

CentOS8: ccze author not willing to maintain ccze. no ccze and not even lnav available. how to monitor all logs… https://dwaves.de/2017/06/15/linux-monitor-all-logs-in-real-time-d-follow-all-show-changes-to-log-files-under-varlog/ as i was wondering what combination of less -R with or without ccze would allow me to view log […]