As I am currently preparing my self to attend the exam LFCS, I was thinking that it will be beneficial also for you guys/girls to try some exercises in your virtual or local Linux machine. Therefore here there is the first of a series of exercises that I created to familiarize with the command line and some essentials topics. 

Note: I will be using Ubuntu 20.04 LTS


  • Which version of your kernel do you have in your Linux machine?
  • Find all the variations of the command apt and execute an update and then an upgrade of your machine. 

uname -r
man apt

apt-get update
apt-get upgrade

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