Commands - osxhub

Cheat sheet of five built-in macOS network commands with what each does and the line to read: sudo wdutil info for Wi-Fi signal, channel and security (read SSID and RSSI); ifconfig en0 for the interface and IP address (inet, not 169.254); ping -c 3 8.8.8.8 for reachability and packet loss (0.0% loss); dig +short apple.com to resolve a name through DNS (cross-check with @1.1.1.1); and traceroute -n apple.com to trace the path, noting a row of asterisks does not mean the connection is down

Mac Network Diagnostics: A Terminal Commands Cheat Sheet for a Broken Connection

by Marcus Reeve
June 19, 2025July 19, 2026

A dead connection and a connection that only looks dead produce the same blank browser tab. The way through it is not to guess but to walk the stack from the machine outward, one command…

Dark cheat-sheet card headed Git on a Mac, in one page, with three columns: everyday cycle listing git status, git add ., git commit -m and git push; branches and undo listing git switch -c, git merge, git restore and git reset --soft; and Mac setup listing credential.helper osxkeychain, pbcopy for the SSH public key, and ignoring .DS_Store

Git Command Line on a Mac: Cheat Sheet + the Mac-Specific Setup

by Marcus Reeve
June 17, 2025July 21, 2026

The everyday git command line is the same on every platform. What a Mac adds is a small layer of setup around it. That layer is short: storing your GitHub token in the Keychain, copying…

Terminal showing Mac-only commands: open a folder in Finder, trash for a recoverable delete, pbcopy for the clipboard, mdfind for Spotlight search, and sips to resize an image

Mac Terminal Commands for Beginners: the Mac-Only Ones Worth Learning First

by Marcus Reeve
June 16, 2025July 18, 2026

Most “Mac terminal commands” lists are really Unix commands — cd, ls, grep, cp — that behave the same on any Linux box and are documented in a thousand other places. Worth knowing, but not…