Find process by port

More linux commands

• CPU usage per process
  ps aux --sort=-%cpu | head -15copy

  Top 15 processes by CPU consumption

• Memory usage per process
  ps aux --sort=-%mem | head -15copy

  Top 15 processes by memory consumption

• Follow systemd service logs
  journalctl -u <service> -f --since '10 minutes ago'copy

  Stream logs for a systemd unit from the last 10 minutes

• Check systemd service status
  systemctl status <service> --no-pager -lcopy

  Service status, recent log lines, and active timers

• Capture traffic on interface
  tcpdump -i eth0 -nn host <ip> and port 80 -w /tmp/capture.pcapcopy

  Capture specific traffic to a pcap file

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