Tag: macOS
Browse all articles, tutorials, and guides about macOS
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How to Free Up a TCP/IP Port on Linux, macOS, and Windows
Learn how to identify processes using a port and free it up by stopping the service, killing the process, or changing configuration across different operating systems.
Using ls to list directories and their total sizes
How to show directory sizes from the shell - practical commands for macOS and Linux, and why `ls` alone is not enough.
How to Connect to Network Shares with Username and Password
Learn how to mount SMB/CIFS network shares with credentials on Linux, macOS, and Windows, including persistent mounts and secure credential storage.
How to Find an Available Port on Linux, macOS, and Windows
Learn multiple methods to find open ports on your system, from command-line tools like netstat and lsof to programmatic approaches in Python and Node.js.
How to Fix SSH "Could Not Resolve Hostname" Error
Troubleshoot and fix the SSH 'nodename nor servname provided, or not known' error with DNS checks, host file configuration, and SSH config debugging.
How to Simulate a Slow Internet Connection for Testing
Learn how to throttle network speed on Linux, macOS, and Windows using tc, Network Link Conditioner, and other tools to test application performance under poor network conditions.
Who is Listening on a Given TCP Port on Mac OS X?
Need to find out which process is using a specific port on your Mac? Here's how to check which application is listening on a TCP port using built-in macOS tools.
Cannot Connect to the Docker Daemon at unix:/var/run/docker.sock. Is the Docker Daemon Running?
Troubleshoot the common Docker error about not being able to connect to the Docker daemon. Learn why it happens and how to fix it on Linux and macOS.