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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 常常用来测试与目的主机的连通性。
[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 ms 64 bytes from 172.16.1.254: icmp_seq=2 ttl=128 time=0.297 ms 64 bytes from 172.16.1.254: icmp_seq=3 ttl=128 time=0.135 ms 64 bytes from 172.16.1.254: icmp_seq=4 ttl=128 time=0.245 ms 64 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 4001ms rtt min/avg/max/mdev = 0.135/0.284/0.529/0.133 ms [root@chao ~]#
[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 Unreachable From 172.16.1.16 icmp_seq=2 Destination Host Unreachable From 172.16.1.16 icmp_seq=3 Destination Host Unreachable From 172.16.1.16 icmp_seq=4 Destination Host Unreachable From 172.16.1.16 icmp_seq=5 Destination Host Unreachable From 172.16.1.16 icmp_seq=6 Destination Host Unreachable From 172.16.1.16 icmp_seq=7 Destination Host Unreachable From 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 8003ms pipe 4
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 table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 172.16.1.254 0.0.0.0 UG 100 0 0 ens33 172.16.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33 192.168.122.0 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 ESTABLISHED tcp6 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 [::]:*
[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 ms 2 * * * 3 * * * 4 * * * 5 * * * 6 * * * 7 * * * 8 * * * 9 * * * 10 * * * 11 * * * 12 * * * 13 * * * 14 * * * 15 * * * 16 * * * 17 * * * 18 * * * 19 * * * 20 * * * 21 * * * 22 * * * 23 * * * 24 * * * 25 * * * 26 * * *
[root@chao ~]# telnet 172.16.1.16 80
[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亿速云,关注亿速云行业资讯频道,更多相关知识等着你来学习!
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