共计 1245 个字符,预计需要花费 4 分钟才能阅读完成。
网络相干命令
ifconfig
:查看网卡信息
[root@localhost chmod_test]# ifconfig | |
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 | |
inet 192.168.0.112 netmask 255.255.255.0 broadcast 192.168.0.255 | |
inet6 fe80::6f25:133:e614:f7c4 prefixlen 64 scopeid 0x20<link> | |
ether 08:00:27:b5:11:ba txqueuelen 1000 (Ethernet) | |
RX packets 1710 bytes 128876 (125.8 KiB) | |
RX errors 0 dropped 0 overruns 0 frame 0 | |
TX packets 549 bytes 59638 (58.2 KiB) | |
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 | |
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 | |
inet 127.0.0.1 netmask 255.0.0.0 | |
inet6 ::1 prefixlen 128 scopeid 0x10<host> | |
loop txqueuelen 1000 (Local Loopback) | |
RX packets 4 bytes 344 (344.0 B) | |
RX errors 0 dropped 0 overruns 0 frame 0 | |
TX packets 4 bytes 344 (344.0 B) | |
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 |
ping
:测试近程主机联通性
罕用形式:
ping -c 次数 IP 地址
:连贯多少次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
:打印网络连接情况、所凋谢的端口、路由表等信息
罕用形式:
netstat -ntpl
:打印以后系统启动哪些端口
正文完