这篇文章主要介绍了RHEL7中常用的网络命令有哪些，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
ping检查网络连通性
ping 常常用来测试与目的主机的连通性。
可以ping通
[root@chao ~]# ping 172.16.1.254PING 172.16.1.254 (172.16.1.254) 56(84) bytes of data.64 bytes from 172.16.1.254: icmp_seq=1 ttl=128 time=0.529 ms64 bytes from 172.16.1.254: icmp_seq=2 ttl=128 time=0.297 ms64 bytes from 172.16.1.254: icmp_seq=3 ttl=128 time=0.135 ms64 bytes from 172.16.1.254: icmp_seq=4 ttl=128 time=0.245 ms64 bytes from 172.16.1.254: icmp_seq=5 ttl=128 time=0.214 ms^C--- 172.16.1.254 ping statistics ---5 packets transmitted, 5 received, 0% packet loss, time 4001msrtt min/avg/max/mdev = 0.135/0.284/0.529/0.133 ms[root@chao ~]#不可以ping通
[root@chao ~]# ping 172.16.1.250PING 172.16.1.250 (172.16.1.250) 56(84) bytes of data.From 172.16.1.16 icmp_seq=1 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=2 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=3 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=4 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=5 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=6 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=7 Destination Host UnreachableFrom 172.16.1.16 icmp_seq=8 Destination Host Unreachable^C--- 172.16.1.250 ping statistics ---9 packets transmitted, 0 received, +8 errors, 100% packet loss, time 8003mspipe 4配置网络
设置ip
[root@chao ~]# ifconfig ens33:1 172.16.1.114 netmask 255.255.255.0 up更改MAC地址
[root@chao ~]# ifconfig ens33:1 hw ether 00:0c:29:0b:07:77修改路由表
显示路由表
[root@chao ~]# route -nKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Iface0.0.0.0 172.16.1.254 0.0.0.0 UG 100 0 0 ens33172.16.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0添加路由
[root@chao ~]# route add -net 172.16.2.0 netmask 255.255.255.0 gw 172.16.1.254删除路由
[root@chao ~]# route del -net 172.16.2.0 netmask 255.255.255.0查看网络状态
查看所有端口
[root@chao ~]# netstat -a|head -4Active Internet connections (servers and established)Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:sunrpc 0.0.0.0:* LISTEN tcp 0 0 chao:domain 0.0.0.0:* LISTEN查看tcp端口
[root@chao ~]# netstat -atActive Internet connections (servers and established)Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:sunrpc 0.0.0.0:* LISTEN tcp 0 0 chao:domain 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:ssh 0.0.0.0:* LISTEN tcp 0 0 localhos:x11-ssh-offset 0.0.0.0:* LISTEN tcp 0 36 chao:ssh 172.16.1.100:57418 ESTABLISHEDtcp6 0 0 [::]:sunrpc [::]:* LISTEN tcp6 0 0 [::]:ssh [::]:* LISTEN tcp6 0 0 localhos:x11-ssh-offset [::]:* LISTEN查看udp端口
[root@chao ~]# netstat -auActive Internet connections (servers and established)Proto Recv-Q Send-Q Local Address Foreign Address State udp 0 0 chao:domain 0.0.0.0:* udp 0 0 0.0.0.0:bootps 0.0.0.0:* udp 0 0 localhost:323 0.0.0.0:* udp6 0 0 localhost:323 [::]:*traceroute查看路由信息
[root@chao ~]# traceroute to www.baidu.com (103.235.46.39), 30 hops max, 60 byte packets1 gateway (172.16.1.254) 0.132 ms 0.062 ms 0.086 ms2 * * *3 * * *4 * * *5 * * *6 * * *7 * * *8 * * *9 * * *10 * * *11 * * *12 * * *13 * * *14 * * *15 * * *16 * * *17 * * *18 * * *19 * * *20 * * *21 * * *22 * * *23 * * *24 * * *25 * * *26 * * *telnet测试远程端口
[root@chao ~]# telnet 172.16.1.16 80wget下载网络文件
[root@chao ~]# wget https://mirror.bit.edu.cn/apache/httpd/httpd-2.4.43.tar.gz感谢你能够认真阅读完这篇文章，希望小编分享的“RHEL7中常用的网络命令有哪些”这篇文章对大家有帮助，同时也希望大家多多支持编程网，关注编程网行业资讯频道，更多相关知识等着你来学习!
