本篇文章为大家展示了怎么进行RHEL7网络管理,内容简明扼要并且容易理解,绝对能使你眼前一亮,通过这篇文章的详细介绍希望你能有所收获。
随着服务器的增多,网络环境越来越复杂, linux网络管理越来越显的重要,接下来我们介绍一下linux网络管理 命令来提高运维效率。 |
ping 常常用来测试与目的主机的连通性。
可以ping通
[root@chao ~]# ping 172.16.1.254
PING 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 ~]#
不可以ping通
[root@chao ~]# ping 172.16.1.250
PING 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
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 -n
Kernel 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
查看网络状态
查看所有端口
[root@chao ~]# netstat -a|head -4
Active 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 -at
Active 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 -au
Active 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 packets
1 gateway (172.16.1.254) 0.132 ms 0.062 ms 0.086 ms
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telnet测试远程端口
[root@chao ~]# telnet 172.16.1.16 80
wget下载网络文件
[root@chao ~]# wget https://mirror.bit.edu.cn/apache/httpd/httpd-2.4.43.tar.gz
上述内容就是怎么进行RHEL7网络管理,你们学到知识或技能了吗?如果还想学到更多技能或者丰富自己的知识储备,欢迎关注亿速云行业资讯频道。
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原文链接:http://blog.itpub.net/69955379/viewspace-2696050/