ubuntu提示錯誤 Job is already running: networking
lsb_release -a # 檢視系統版本
cat /proc/version # 檢視核心
vi /etc/network/interfaces
auto eth0
iface eth0 inet static
address
netmask
gateway
ifdown eth0 && ifup eth0 # 重新開機網卡
![sudo apt-get update 出錯 Updating from such a repository can‘t be done securely, and is therefore[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)