linux-DNS

查看DNS设置

cat /etc/resolv.conf

添加、修改DNS域名解析

# 先解锁，再加锁
chattr -i /etc/resolv.conf
cat >> /etc/resolv.conf << EOF
nameserver 8.8.8.8
EOF
chattr +i /etc/resolv.conf   
service network restart

刷新dns缓存

DNS缓存刷新