Classic Sysadmin Task: Which Process Is Listening on a Port?
Test your Linux and Networking skills by pinpointing a process that is listening on a given port. Sounds easy? Perhaps, but be careful - you only get one shot!
Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Test your Linux and Networking skills by pinpointing a process that is listening on a given port. Sounds easy? Perhaps, but be careful - you only get one shot!
Test your Linux and Networking skills by identifying which port a service is using. Sounds easy? Perhaps, but be careful - you only get one shot!
Be a networking Sherlock Holmes - find out which port a Kubernetes app uses and send a request to it.
Prove your networking skills by setting up an improvised proxy server with netcat.
Prove your networking skills by mapping one network address to another using socat.
Prove your networking skills by mapping one network address to another without starting any additional processes.
Learn a bunch of Linux networking tricks while trying to access an Nginx server running inside a Docker container with no published ports.