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These scripts will trigger an email to the corresponding email id when the system reaches a given threshold. In this tutorial we have added two shell scripts to monitor the CPU utilization on Linux system, which is very useful when user has only few systems to monitor. There are numerous tools available to monitor and display CPU performance in Linux such as top, htop, glances, etc.
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If your system is under stress, it will slow down your application and becomes a bottleneck in the system. When a Linux system CPU is occupied by multiple processes, it is not available to process other requests, and the remaining pending requests must wait until the CPU is free. CPU performance is one aspect of measuring the performance of a system, which is essential to measure the overall system-performance.
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