ubuntu提示错误 Job is already running: networking
lsb_release -a # 查看系统版本
cat /proc/version # 查看内核
vi /etc/network/interfaces
auto eth0
iface eth0 inet static
address
netmask
gateway
ifdown eth0 && ifup eth0 # 重启网卡
![sudo apt-get update 出错 Updating from such a repository can‘t be done securely, and is therefore[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)