1、问题 ping: www.baudu.com: Temporary failure in name resolution
2、解决方法
在/etc/resolv.conf配置文件末尾追加：nameserver 8.8.8.8
root@ubuntu201:/home/test# tail -n 5 /etc/resolv.conf # operation for /etc/resolv.conf. nameserver 127.0.0.53 options edns0 trust-ad search . root@ubuntu201:/home/test# echo "nameserver 8.8.8.8" >> /etc/resolv.conf ## 在配置文件末尾追加nameserver 8.8.8.8 root@ubuntu201:/home/test# tail -n 5 /etc/resolv.conf nameserver 127.0.0.53 options edns0 trust-ad search . nameserver 8.8.8.8
3、测试
root@ubuntu201:/home/test# ping www.baidu.com PING www.a.shifen.com (39.156.66.14) 56(84) bytes of data. 64 bytes from 39.156.66.14 (39.156.66.14): icmp_seq=1 ttl=128 time=14.8 ms 64 bytes from 39.156.66.14 (39.156.66.14): icmp_seq=2 ttl=128 time=14.7 ms 64 bytes from 39.156.66.14 (39.156.66.14): icmp_seq=3 ttl=128 time=14.6 ms ^C --- www.a.shifen.com ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2005ms rtt min/avg/max/mdev = 14.601/14.709/14.828/0.092 ms
参考：https://blog.csdn.net/yulei_qq/article/details/104261296