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Ubuntu view Processes and Port Usage

Dec 04, 2010, 15:02 (1 Talkback[s])

[ Thanks to PmaBox for this link. ]

"Many times we are confronted with the doubt if a software is working or not. Either the process stopped or crashed, sometimes it's hard to figure out. This is specially true when we are using the command shell and or the software offers no GUI or way to explicitly tell us if it's running or not. Another very important reason, or maybe the most important, security reasons. Any expert IT "guy" needs to know what processes are runing and what ports are being used by it.

"Few quick methods / programs that we can use to find out running processes and associated ports

"Remember that some of these might require you to run them as root.

"Netstat

$ sudo -i
$ netstat -tulpn

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