问题现象:
fetch http资源出错。
解决办法:(修改DNS)
1.修改dns
sudo vi /etc/resolv.conf
在里面插入:
nameserver 8.8.8.8
nameserver 8.8.4.4
修改好保存!wq
2.cat /etc/resolv.conf 显示如下:
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 8.8.8.8
nameserver 8.8.4.4
3.此时执行sudo apt-get update