Linux view ports and processes

View process

Ps-aux | grep AppName

Kill process

Kill PID

To view ports:

Netstat-ap | grep Port number

Netstat-ap | grep process Name

lsof-i: Port number

Example: Server This program will open 8888 this port.

[Email protected]:/mnt/hgfs/code/svn/net_code/dd#./server &
[1] 3779
[Email protected]:/mnt/hgfs/code/svn/net_code/dd# netstat-ap | grep 8888
TCP 0 0 localhost:8888 *:* LISTEN 3779/server
[Email protected]:/mnt/hgfs/code/svn/net_code/dd# netstat-ap | grep server
TCP 0 0 localhost:8888 *:* LISTEN 3779/server
UNIX 3 [] stream connected 23278 3779/server
UNIX 3 [] stream connected 23277 3779/server

[Email protected]:/mnt/hgfs/code/svn/net_code/dd# lsof-i:8888
COMMAND PID USER FD TYPE DEVICE size/off NODE NAME
Server 3779 root 3u IPv4 23688 0t0 TCP localhost:8888 (LISTEN)

[Email protected]:/mnt/hgfs/code/svn/net_code/dd# kill 3779
[1]+ has been terminated./server
[Email protected]:/mnt/hgfs/code/svn/net_code/dd# netstat-ap | grep server

Linux view ports and processes