Top "Netstat" questions

Who is listening on a given TCP port on Mac OS X?

On Linux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) …

macos tcp netstat listen

Port 80 is being used by SYSTEM (PID 4), what is that?

I am trying to use port 80 for my application server, but when I perform netstat -aon I get: TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4 …

iis port pid netstat

How do I find which application is using up my port?

I am unable to start GlassFish, because it keeps showing this error message: SEVERE: Shutting down v3 due to startup …

windows port windows-vista netstat

How to get default gateway in Mac OSX

I need to retrieve the default gateway on a Mac machine. I know that in Linux route -n will give …

macos routes netstat ifconfig

How to check if a network port is open on linux?

How can I know if a certain port is open/closed on linux ubuntu, not a remote system, using python? …

python linux port netstat

Starting apache fails (could not bind to address 0.0.0.0:80)

Update: Already fixed, it seems that one of VirtualHosts configurations files was wrong in sites-enabled. I have Ubuntu 11.10 When I …

apache port kill netstat

Troubleshooting connections stuck in CLOSE_WAIT status

I have a Java application running in WebLogic 11g on Windows, which after several days, becomes unresponsive. One suspicious symptom …

java sockets tcp weblogic netstat

What does "Can not obtain ownership information" in Netstat -ab mean?

(Windows 7 x86) If I run netstat -ab, I get a list of active connections, along with the names of the …

windows-7 netstat

Use of Recv-Q and Send-Q

What is the use of the Recv-Q and Send-Q columns in netstat's output? How do I use use this in …

linux unix networking netstat

Docker: any way to list open sockets inside a running docker container?

I would like to execute netstat inside a running docker container to see open TCP sockets and their statuses. But, …

docker netstat alpine