ubuntu apt-get 错误 Temporary failure resolving us.archive.ubuntu.com
ubuntu apt-get 错误 Temporary failure resolving 'us.archive.ubuntu.com'
原因是dns没有配置，解决办法?加入dns服务器地址，比如：
echo "nameserver 202.96.134.133 nameserver 8.8.8.8" | sudo tee /etc/resolv.conf > /dev/null
