First, can OctoPrint control and monitor an Ender 3 Pro, and second, can it be installed on an old ASUS Eee PC?
Yes and yes 
But depending on how old the eeepc is it is not recommend.
A dualcore and 1GB or more Ram would be advisable.
First, can OctoPrint control and monitor an Ender 3 Pro, and second, can it be installed on an old ASUS Eee PC?
Yes and yes
But depending on how old the eeepc is it is not recommend.
A dualcore and 1GB or more Ram would be advisable.