When I am running Ubuntu 20.04 from a live USB (without installing it) it usually happens that when a certain degree of activity is reached (i.e lots of programs running and/or lot of internet tabs with videos at the same time) or a lot of memory is used (many downloads, for example) the laptop freezes totally and I am forced to turn off it by pressing the power button (no solutions like the ones exposed here work).
As I have resigned myself to it I would like at least to know if I can monitor that process in any way: i.e. if I can check any indicator or program which tell me that the activity has reached certain level that makes this freezing likely (I don't know which one is exactly the parameter I should check, I guess the RAM memory, but not sure)
