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root@server:~# sudo netstat -tlnp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      1548/nginx
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      1370/varnishd
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1235/sshd
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      1421/sendmail: MTA:
tcp        0      0 127.0.0.1:6082          0.0.0.0:*               LISTEN      1349/varnishd
tcp        0      0 127.0.0.1:9000          0.0.0.0:*               LISTEN      1301/main.conf)
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      1226/mysqld
tcp        0      0 127.0.0.1:587           0.0.0.0:*               LISTEN      1421/sendmail: MTA:
tcp        0      0 127.0.0.1:11211         0.0.0.0:*               LISTEN      1263/memcached
tcp6       0      0 :::8080                 :::*                    LISTEN      1548/nginx
tcp6       0      0 :::80                   :::*                    LISTEN      1370/varnishd
tcp6       0      0 :::22                   :::*                    LISTEN      1235/sshd
tcp6       0      0 ::1:6082                :::*                    LISTEN      1349/varnishd

It closes with "main.conf)" I am a newbe so obviously screwed up somewhere in the configuration file, just not sure it was. Any help?

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1 Answer 1

up vote 3 down vote accepted

The command

lsof  | grep "9000 (LISTEN)"

should give you the information which process/program uses the port.

If lsof is not already installed you can install it with

sudo apt-get install lsof
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I get this with lsof: root@server:~# lsof | grep "9000 (LISTEN)" php5-fpm 1301 root 6u IPv4 1547331763 0t0 TCP localhost:9000 (LISTEN) –  bran May 6 '12 at 4:16
    
I wanted why it has a closing bracket at the end [1301/main.conf)] and if it is causing any problem? –  bran May 6 '12 at 4:18
    
If you use less /proc/1301/cmdline you get the full commandline of how the process was started. It is probably just the way the command is trimmed for the output. –  txwikinger May 6 '12 at 4:25
    
You are right. I get this: php-fpm: master process (/etc/php5/fpm/main.conf) Thanks! –  bran May 6 '12 at 4:28

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