Technology, hardware and gaming content trusted worldwide. ServeTheHome - Server and Workstation Reviews. vLaunchPad. All hotkeys - Welcome to All Hotkeys! Shortcuts and Hot Keys Reference for Windows, Mac OS, Linux. Explainshell.com - match command-line arguments to their help text. Debuggex: Online visual regex tester. JavaScript, Python, and PCRE. Command line reference. Commandlinefu.com. Alpha. Microsoft Windows and Apple iOS Tweaks, Tips and How-To Articles. The Linux Documentation Project.
20 Linux System Monitoring Tools Every SysAdmin Should Know. Need to monitor Linux server performance?
Try these built-in commands and a few add-on tools. Most Linux distributions are equipped with tons of monitoring. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem.