phplstat技巧_常用linux敕令netstat

文章目录 [+]

#显示所有的连接$ netstat -aActive Internet connections (servers and established)Proto Recv-Q Send-Q Local Address Foreign Address Statetcp 0 0 0.0.0.0:http 0.0.0.0: LISTENtcp 0 0 0.0.0.0:ssh 0.0.0.0: LISTENtcp 0 0 localhost:smtp 0.0.0.0: LISTENtcp 0 0 0.0.0.0:8090 0.0.0.0: LISTENtcp 0 0 0.0.0.0:https 0.0.0.0: LISTENtcp 0 0 0.0.0.0:https-wmap 0.0.0.0: LISTENtcp 0 0 localhost:scanstat-1 0.0.0.0: LISTEN...#列出TCP或UDP协议的连接$ netstat -at-t TCP协议的连接-u UDP协议的连接#禁用反向域名解析(加快查询速率)默认情形下 netstat 会通过反向域名解析查找每个 IP 地址对应的主机名，这会降落查找速率。如果以为没有必要知道主机名，可以利用 -n 选项禁用域名解析功能$ netstat -ant#列出监听中的连接网络做事的进程会打开一个端口，用于监听接入的要求，这些正在监听的套接字也和连接的套接字一样，能被 netstat 列出来。 -l 列出正在监听的套接字$ netstat -tnlActive Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address Statetcp 0 0 127.0.0.1:9001 0.0.0.0: LISTENtcp 0 0 0.0.0.0:80 0.0.0.0: LISTENtcp 0 0 0.0.0.0:22 0.0.0.0: LISTENtcp 0 0 127.0.0.1:25 0.0.0.0: LISTENtcp 0 0 0.0.0.0:8090 0.0.0.0: LISTENtcp 0 0 0.0.0.0:443 0.0.0.0: LISTENtcp 0 0 0.0.0.0:8991 0.0.0.0: LISTENtcp 0 0 127.0.0.1:1215 0.0.0.0: LISTENtcp6 0 0 :::10086 ::: LISTENtcp6 0 0 :::4040 ::: LISTENtcp6 0 0 :::22 ::: LISTENtcp6 0 0 :::11800 ::: LISTENtcp6 0 0 ::1:25 ::: LISTENtcp6 0 0 :::8091 ::: LISTENtcp6 0 0 :::12800 ::: LISTENtcp6 0 0 :::2912 ::: LISTEN#查看所有监听端口$ netstat -nl#查看udp端口$ netstat -unlActive Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address Stateudp 0 0 0.0.0.0:68 0.0.0.0:udp 0 0 127.0.0.1:323 0.0.0.0:udp6 0 0 ::1:323 :::#获取进程名、进程号以及用户ID(-p 查看进程信息)$ netstat -tnlp(过滤端口：netstat -tnlp | grep ':9001')Active Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program nametcp 0 0 127.0.0.1:9001 0.0.0.0: LISTEN 4383/pythontcp 0 0 0.0.0.0:80 0.0.0.0: LISTEN 47074/nginx: workertcp 0 0 0.0.0.0:22 0.0.0.0: LISTEN 1514/sshdtcp 0 0 127.0.0.1:25 0.0.0.0: LISTEN 1405/mastertcp 0 0 0.0.0.0:8090 0.0.0.0: LISTEN 47074/nginx: workertcp 0 0 0.0.0.0:443 0.0.0.0: LISTEN 47074/nginx: workertcp 0 0 0.0.0.0:8991 0.0.0.0: LISTEN 47147/phptcp 0 0 127.0.0.1:1215 0.0.0.0: LISTEN 46832/swoole_http_stcp6 0 0 :::22 ::: LISTEN 1514/sshdtcp6 0 0 :::11800 ::: LISTEN 49925/javatcp6 0 0 ::1:25 ::: LISTEN 1405/mastertcp6 0 0 :::8091 ::: LISTEN 49949/javatcp6 0 0 :::12800 ::: LISTEN 49925/javatcp6 0 0 :::2912 ::: LISTEN 49925/java#持续输出 netstat 信息(每隔一秒输出网络信息)$ netstat -c