Sysmon

Sysmon is a free graphical system monitor for Linux. It is like Gnome system monitor with disk I/O.

Sysmon graphs CPU, RAM, and disk I/O over time and can also display usage by process.

Download

curl http://www.orbanova.com/downloads/sysmon.jar --create-dirs -o ~/bin/sysmon.jar

Run

java -jar ~/bin/sysmon.jar

Hotkey setup

Depends on the OS. For Ubuntu 16.04:

• Go to Settings/Keyboard/Shortcuts/Custom Shortcuts
• Press +
• Enter
  Name: Sysmon
  Command: java -jar /home/{user name}/bin/sysmon.jar
  (replace {user name} with your user name)
• Bind it to (for example) Ctrl+Alt+E