01-04 Linux常用命令-网络相关 linux测试

网络相关命令
ifconfig：查看网卡信息

[root@localhost chmod_test]# ifconfig enp0s3: flags=4163mtu 1500 inet 192.168.0.112netmask 255.255.255.0broadcast 192.168.0.255 inet6 fe80::6f25:133:e614:f7c4prefixlen 64scopeid 0x20 ether 08:00:27:b5:11:batxqueuelen 1000(Ethernet) RX packets 1710bytes 128876 (125.8 KiB) RX errors 0dropped 0overruns 0frame 0 TX packets 549bytes 59638 (58.2 KiB) TX errors 0dropped 0 overruns 0carrier 0collisions 0lo: flags=73mtu 65536 inet 127.0.0.1netmask 255.0.0.0 inet6 ::1prefixlen 128scopeid 0x10 looptxqueuelen 1000(Local Loopback) RX packets 4bytes 344 (344.0 B) RX errors 0dropped 0overruns 0frame 0 TX packets 4bytes 344 (344.0 B) TX errors 0dropped 0 overruns 0carrier 0collisions 0

【01-04 Linux常用命令-网络相关】ping：测试远程主机联通性
常用方式：

ping -c 次数 IP地址：连接多少次
ping -i 间隔时间 IP地址：每次 ping 的间隔时间

[root@localhost chmod_test]# ping -c 3 -i 3 www.baidu.com PING www.baidu.com (14.215.177.39) 56(84) bytes of data. 64 bytes from www.baidu.com (14.215.177.39): icmp_seq=1 ttl=128 time=12.9 ms 64 bytes from www.baidu.com (14.215.177.39): icmp_seq=2 ttl=128 time=21.3 ms 64 bytes from www.baidu.com (14.215.177.39): icmp_seq=3 ttl=128 time=16.4 ms--- www.baidu.com ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 6021ms rtt min/avg/max/mdev = 12.904/16.909/21.382/3.480 ms

netstat：打印网络连接状况、所开放的端口、路由表等信息
常用方式：