To monitor system performance in Linux, System Administrators often use a variety of tools that allow them to assess the health and efficiency of the system. Some common tools include:
1. **top**: This command-line tool provides a dynamic real-time view of the running system, displaying information about CPU and memory usage, as well as running processes.
2. **htop**: An interactive process viewer that provides a more user-friendly interface compared to top. It allows for easier sorting and filtering of processes.
3. **vmstat**: This command reports information about system memory, processes, and CPU activity. It can be used to monitor system performance and identify potential bottlenecks.
4. **sar**: System Activity Reporter is a command-line tool that collects, reports, and saves system activity information. It can be used to analyze historical data and trends in system performance.
5. **iostat**: Used to monitor CPU utilization, disk I/O, and file system activity. It provides detailed information on input/output operations and can help identify disk performance issues.
6. **netstat**: A command-line network utility that displays network connections, routing tables, and network interface statistics. It can help monitor network activity and troubleshoot networking issues.
By regularly using these tools to monitor system performance, Linux System Administrators can proactively identify and address any performance issues before they escalate, ensuring the smooth operation of the system.
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