20 Linux System Monitoring Tools Every SysAdmin Should Know

by Vivek Gite on June 27, 2009 · 200 comments

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Need to monitor Linux server performance? Try these built-in command 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. The commands discussed below are some of the most basic commands when it comes to system analysis and debugging server issues such as:

Finding out bottlenecks.
Disk (storage) bottlenecks.
CPU and memory bottlenecks.
Network bottlenecks.

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Re-reading the partition table failed with error 16

Unable to open /dev/sr0 read-write (Read-only file system). /dev/sr0 has been opened read-only.

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