I’m trying to play with inter-process communication and since I could not figure out how to use named pipes under Windows I thought I’ll use network sockets. Everything happens locally. The server is able to launch slaves in a separate process and listens on some port. The slaves do their work and submit the result … Read more
This question already has answers here: How can you find out which process is listening on a TCP or UDP port on Windows? [closed] (34 answers) Closed 6 years ago. How do I find which program is using port 80 in Windows? I can’t find it. 6 Answers 6
I’m currently running a bunch of: sudo ssh -L PORT:IP:PORT root@IP where IP is the target of a secured machine, and PORT represents the ports I’m forwarding. This is because I use a lot of applications which I cannot access without this forwarding. After performing this, I can access through localhost:PORT. The main problem occured … Read more
From a bash script how can I quickly find out whether a port 445 is open/listening on a server. I have tried a couple of options, but I want something quick: 1. lsof -i :445 (Takes seconds) 2. netstat -an |grep 445 |grep LISTEN (Takes seconds) 3. telnet (it doesn’t return) 4. nmap, netcat are … Read more
Some web projects are causing me problems while others work fine. I decided to focus on one of the problematic ones. I’m using Visual Studio 2013 on Windows 7. I think I’m running it as administrator, the window title says PROJECT NAME – Microsoft Visual Studio (Administrator). When I try to run the project I … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 9 years ago. Improve this question Can I map an IP address like 127.0.0.1 to a domain name and a port? For example, I would like to map 127.0.0.1 … Read more
How can I change the default port used by the play framework in development mode when issueing the “run” command on the play console. This is for playframework 2.0 beta. Using the http.port configuration parameter either on the command line or in the application.conf seems to have no effect: C:\dev\prototype\activiti-preso>play run –http.port=8080 [info] Loading project … Read more
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I’d like to run a process in a Docker container to listen to the queue and (optionally) write to the database. I know I can forward a port from the … Read more
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions. In which range of port numbers should I search for? (I used ports 12345, 12346, and 12347 … Read more
what is process.env.PORT || 3000 used for in Node.js? I saw this somewhere: app.set(‘port’, process.env.PORT || 3000); If it is used to set 3000 as the listening port, can I use this instead? app.listen(3000); If not why? 7 Answers 7
