Category: free software

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

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, 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

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

Adding new fonts for all users To install fonts for all users for example the boring company font: 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

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 PING ( 56(84) bytes of data. 64 bytes from ( icmp_seq=1 ttl=46 time=43.5 […]

how to ssh into your android phone

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) – # start the ssh server app # […]

Purism making progress on Librem5 SmartPhone

more latest news on: Progress has been quick and steady, and because we only use components that respect both our ethical values and your personal privacy and freedoms, you can imagine the layers of complexity that go into delivering […]

lnav – like less but more colorful output of log files

CentOS8: ccze author not willing to maintain ccze. no ccze and not even lnav available. how to monitor all logs… as i was wondering what combination of less -R with or without ccze would allow me to view log […]

The Y2038 Problem – cars and embedded systems

in comparison to Y2K: “The issue became when it became 2000 because that would be stored as 00 in the program. This caused many to believe that say, bank software wouldn’t be able to get your money out because it […]


Thanks! thanks to all the contributors of open source soft- and hardware and people that share their knowledge online for free 🙂 i hope/think that better technology could possibly also change humans to the better… freely sharing information surely does […]

OpenBios CoreBoot a BIOS and EFI replacement

…and it is even FAST! hardware support: 250 mainboards supported in 2012! Chromebook (IvyBridge / Thinkpad X60 / Thinkpad T 60 It comes with OpenBoot = also good and a direct rival to Intel’s EFI adoption. (checkout:, coreboot interview: […]