All Files: http://files.cnblogs.com/files/xiaobo-Linux/ubuntu%E6%98%BE%E7%A4%BA%E7%B3%BB%E7%BB%9F%E7%BD%91%E9%80%9F.tar.gz
The first thing to install is the System Monitor Indicator software:
sudo dpkg-i indicator-sysmonitor_0.3.9~oneiric0_all.deb
This is also possible to run the software directly, but the default is only to show memory and CPU usage, want to display the speed of the next line of the situation also the following actions:
sudo apt-get install Dstat
mkdir ~/. Indicator-sysmonitor-scripts
CD ~/. Indicator-sysmonitor-scripts
Download the Sysmon script into the folder above
Tar XF sysmon_0.2.tar.gz
Start Indicator-sysmonitor and set the System Monitor Indicator, and then click the top status bar to select the Preferences option in the pop-up menu.
http://www.cnblogs.com/xiaobo-Linux/qq463431476
Add Net:{net}
can be displayed normally.
Ubuntu 15.1 Unity on top panel display system cpu/memory/network speed