network manager图标消失解决办法
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

#注释掉下面几行既可以显示nerworkmanager图标
# The primary network interface

#auto eth0
#iface eth0 inet static
# address 192.168.x.x
# netmask 255.255.255.0
# network 192.168.1.0
# broadcast 192.168.1.255
# gateway 192.168.x.x
#dns-* options are implemented by the resolvconf package, if installed
#dns-nameservers 192.168.x.x
#dns-serch example.org