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Free Linux software to install, making your server easier to debug and monitor

Helpful tools to secure and troubleshoot your Linux machine

Here's a list of software I use personally to help me figure out any system resource problems and also to help keep my machine secure:


sudo apt-get install fail2ban bwm-ng htop iotop iftop nethogs tcptrack

  • fail2ban - blocks failed logins for a number of services (a must for me)
  • bwm-ng - bandwidth monitor (generally good to see the traffic on a server)
  • htop - updated top command to see CPU/RAM/processes running (just nicer)
  • iotop - see disk usage and the process (handy for checking problems)
  • iftop - connections and their traffic in/out (can toggle hostnames and ports etc)
  • nethogs - another network software to see traffic and process/user/IP
  • tcptrack - ability to quickly see SYN floods or unwanted traffic

About the Author

Ben Sampson

Ben Sampson

Vegan • PHP Developer • PC Gamer • Love to code • Debian / macOS user

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