ubuntu状态栏显示网速内存等信息
sudo add-apt-repository ppa:fossfreedom/indicator-sysmonitor -y
sudo apt-get update
sudo apt-get install indicator-sysmonitor -y
sudo add-apt-repository ppa:fossfreedom/indicator-sysmonitor -y
sudo apt-get update
sudo apt-get install indicator-sysmonitor -y