在GNU/Linux中使用命令查看端口占用情況

第一種方法：

root@debian:/home/# netstat -ant

Active Internet connections (servers and established)

Proto Recv-Q Send-Q Local Address Foreign Address State

tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN

tcp 0 0 0.0.0.0:33223 0.0.0.0:* LISTEN

tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN

tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN

tcp6 0 0 ::1:25 :::* LISTEN

tcp6 0 0 :::60042 :::* LISTEN

tcp6 0 0 :::111 :::* LISTEN

tcp6 0 0 :::80 :::* LISTEN

tcp6 0 0 111.111.111.120:80 111.111.111.114:1119 ESTABLISHED

tcp6 0 0 111.111.111.120:80 111.111.111.114:1123 ESTABLISHED

tcp6 0 0 111.111.111.120:80 111.111.111.114:1125 TIME_WAIT

tcp6 0 0 111.111.111.120:80 111.111.111.114:1112 TIME_WAIT

tcp6 0 0 111.111.111.120:80 111.111.111.114:1110 TIME_WAIT

tcp6 0 0 111.111.111.120:80 111.111.111.114:1122 ESTABLISHED

tcp6 0 0 111.111.111.120:80 111.111.111.114:1114 TIME_WAIT

tcp6 0 0 111.111.111.120:80 111.111.111.114:1117 TIME_WAIT

返回欄目頁：http://www.bianceng.cn/OS/Linux/

第二種方法：

root@debian:/home# lsof -i:80

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME

apache2 2301 root 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 2497 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 2498 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 2499 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 2500 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 2501 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 6108 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 6117 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

apache2 6118 www-data 4u IPv6 7298 0t0 TCP *:http (LISTEN)

//mysql default port

root@debian:/home# lsof -i:3306

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME

mysqld 2992 mysql 10u IPv4 9546 0t0 TCP localhost:mysql (LISTEN)

作者：csdn博客 yygydjkthh