Here I share that you can issue a command that will tell you how much memory is used or free as well as how much CPU is being used?
You start by telnet/ssh into my Ubuntu box so I would like to pull stats through issuing commands versus using VNC
To find what memory is being used and what is free you can issue the command
If you want to get information about your machine using a command issue
sudo dmidecode | more
or you can try and use
For CPU information, issue the command
What I use personally which this tells me everything I need to know in most cases in one screen is the command