Guides · 4 how-tos + 1 comparison
Mac guides.
Step-by-step answers to the questions HyperMonitor was built for: what’s running on your Mac, what’s listening, and what starts itself at login. Every guide uses the tools already built into macOS.
# Every listening TCP port, with the process that owns itsudo lsof -iTCP -sTCP:LISTEN -n -P# Who is listening on port 3000?lsof -nP -iTCP:3000 -sTCP:LISTEN# Your agents, newest firstls -lt ~/Library/LaunchAgents# Who signed it?codesign -dv --verbose=4 /path/to/programBrowse by topic
Four guides, one question at a time.
- Ports4 min readGuide 01
How to check open ports on a Mac
List every listening port with lsof, find what’s using port 3000 or 8000, and read 127.0.0.1 vs 0.0.0.0.
sudo lsof -iTCP -sTCP:LISTEN -n -P4 questions · 6 commandsRead guide - Listening4 min readGuide 02
What is listening on my Mac?
The orange microphone dot, explained, and how to find the apps listening for network connections.
sudo lsof -iUDP -n -P4 questions · 3 commandsRead guide - Launch agents4 min readGuide 03
Launch agents on Mac: what they are and how to manage them
What launchd agents and daemons are, the five folders they live in, and how to stop one with launchctl.
ls -lt ~/Library/LaunchAgents4 questions · 6 commandsRead guide - Security4 min readGuide 04
How to check launch agents for malware on a Mac
Warning signs of a malicious launch agent, how to check its signature, and how to remove it safely.
codesign -dv --verbose=4 /path/to/program4 questions · 6 commandsRead guide
HyperMonitor vs Activity Monitor
What Apple’s Activity Monitor covers, where it stops, and what HyperMonitor adds.
HyperMonitor
Processes, ports and launch agents in one Mac app.
HyperMonitor shows every process, the ports each one listens on and the launch agents that start them, flags what looks out of place, and explains it in plain English.
Free 14-day trial · macOS 14 Sonoma or later · Apple silicon & Intel