linux常用查看进程查找方法

psaux|grepapache查看进程对应的端口号

root@objweb:~# ps aux | grep apache
www-data  8290  0.0  1.6 375776 17148 ?        S    06:25   0:00 /usr/sbin/apache2 -k start
www-data  8291  0.0  1.5 375024 16128 ?        S    06:25   0:00 /usr/sbin/apache2 -k start
www-data  8293  0.0  1.5 375024 16128 ?        S    06:25   0:00 /usr/sbin/apache2 -k start
www-data  8294  0.0  1.5 375024 16128 ?        S    06:25   0:00 /usr/sbin/apache2 -k start
www-data  8296  0.0  1.5 375024 16128 ?        S    06:25   0:00 /usr/sbin/apache2 -k start
www-data  8318  0.0  0.9 374676  9728 ?        S    06:27   0:00 /usr/sbin/apache2 -k start
root      8525  0.0  0.2  11752  2248 pts/2    S+   08:01   0:00 grep --color=auto apache
root     26771  0.0  2.8 374644 28896 ?        Ss    2017  10:45 /usr/sbin/apache2 -k start

lsof-i:端口号查看端口对应的进程号

root@cdc:~# lsof -i:80
COMMAND     PID     USER   FD   TYPE  DEVICE SIZE/OFF NODE NAME
apache2    8290 www-data    3u  IPv4 4696118      0t0  TCP *:http (LISTEN)
apache2    8291 www-data    3u  IPv4 4696118      0t0  TCP *:http (LISTEN)
apache2    8293 www-data    3u  IPv4 4696118      0t0  TCP *:http (LISTEN)
apache2    8294 www-data    3u  IPv4 4696118      0t0  TCP *:http (LISTEN)
apache2    8296 www-data    3u  IPv4 4696118      0t0  TCP *:http (LISTEN)
apache2    8318 www-data    3u  IPv4 4696118      0t0  TCP *:http (LISTEN)
AliYunDun 22244     root   18u  IPv4 1170984      0t0  TCP 120.25.147.105:38700->106.11.68.13:http (CLOSE_WAIT)
AliYunDun 22244     root   20u  IPv4 1699628      0t0  TCP 120.25.147.105:39748->106.11.68.13:http (CLOSE_WAIT)
AliYunDun 22244     root   21u  IPv4 2264476      0t0  TCP 120.25.147.105:40780->106.11.68.13:http (CLOSE_WAIT)

psaux|grep8290查看端口对应的程序

root@cdc:~# ps aux | grep 8290
www-data  8290  0.0  1.6 375776 17148 ?        S    06:25   0:00 /usr/sbin/apache2 -k start

netstat-anop|grep8290查看进程对应的端口号

root@cdc:~# netstat -anop | grep 8290
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      8290/apache2     off (0.00/0/0)