Console

This days, with 4K monitors, the linux console is unreadable : the font is too small. So how can we scale the font size in the console after boot ?

How to flash any iso (think about your favorite distro) on an USB key without graphical IHM ?

sudo dd if=/path/to/image.iso of=/dev/sda status=progress
  • “/path/to/image.iso” is the path to the ISO file
  • /dev/sda is your USB key device (see below to get yours) : note that it is the whole device, not a partition (e.g. /dev/sda and not /dev/sda1)
  • status=progress show flashing progression

How to know wich device to use ?

ImageMagick logo

As ‘man convert’ states :

The convert program is a member of the ImageMagick suite of tools. Use it to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.