Linux keyboard remapping on X server

• use xev to retrieve keycodes
• use xmodmap  to load a remapping file
  
• use the command setxkbmap to restore a keyboard setting, ex.
  the command "setxkbmap it" restore the it keyboard
  

Linux, information about the distribution

suppose you are asked to take care of a Linux system you've never seen before, and nobody is able to tell anything about it, at first you can get some information about the distribution and the kernel by using the commands


cat /etc/*-release
uname -a