Linux报错ping: https://www.baidu.com: Name or service not known

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[root@localhost104 softwares]# ping https://www.baidu.com

ping: https://www.baidu.com: Name or service not known

没有默认的网关，需要添加

[root@localhost104 softwares]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 0.0.0.0 0.0.0.0 UG 0 0 0 ens33
169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 ens33
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0

[root@localhost104 softwares]# cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 8.8.8.8
nameserver 114.114.114.114
search localhost104
[root@localhost104 softwares]#
[root@localhost104 softwares]# grep GATEWAY /etc/sysconfig/network-scripts/ifcfg*
/etc/sysconfig/network-scripts/ifcfg-ens33:GATEWAY=192.168.0.1
[root@localhost104 softwares]#
[root@localhost104 softwares]# grep hosts /etc/nsswitch.conf
#hosts: db files nisplus nis dns
hosts: files dns myhostname
[root@localhost104 softwares]#
[root@localhost104 softwares]# route add default gw 192.168.0.1
[root@localhost104 softwares]#
[root@localhost104 softwares]#
[root@localhost104 softwares]#
[root@localhost104 softwares]# ping www.baidu.com
PING www.a.shifen.com (14.215.177.38) 56(84) bytes of data.
64 bytes from 14.215.177.38 (14.215.177.38): icmp_seq=1 ttl=55 time=7.04 ms
64 bytes from 14.215.177.38 (14.215.177.38): icmp_seq=2 ttl=55 time=8.16 ms
^Z
[5]+ Stopped ping www.baidu.com
[root@localhost104 softwares]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 ens33
169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 ens33
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0

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