Shortcuts and Hot Keys Reference for Windows, Mac OS, Linux.

All commands | commandlinefu.com Microsoft Windows and Apple iOS Tweaks, Tips and How-To Articles 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. Finding out bottlenecks.Disk (storage) bottlenecks.CPU and memory bottlenecks.Network bottlenecks. #1: top - Process Activity Command The top program provides a dynamic real-time view of a running system i.e. actual process activity. Fig.01: Linux top command Commonly Used Hot Keys The top command provides several useful hot keys: => Related: How do I Find Out Linux CPU Utilization? #2: vmstat - System Activity, Hardware and System Information The command vmstat reports information about processes, memory, paging, block IO, traps, and cpu activity. # vmstat 3 Sample Outputs: Display Memory Utilization Slabinfo # vmstat -m Get Information About Active / Inactive Memory Pages # vmstat -a => Related: How do I find out Linux Resource utilization to detect system bottlenecks? #3: w - Find Out Who Is Logged on And What They Are Doing # ps -AlFH