30 Linux System Monitoring Tools Every SysAdmin Should Know
As a system administrator, monitoring the health and performance of your Linux servers is crucial for keeping your systems up and running smoothly. In this blog, we'll take a look at 30 Linux system monitoring tools that every sysadmin should know.
1. top: This is a command-line tool that displays real-time system statistics, including CPU usage, memory usage, and process details.
2. htop: Similar to top, htop provides a real-time view of system resource usage, but with a more user-friendly interface and more advanced features.
3. atop: Another command-line tool for system monitoring that provides detailed statistics on CPU, memory, disk I/O, and network activity.
4. nmon: A command-line monitoring tool that displays system statistics in a simple, easy-to-read format.
5. iostat: A tool for monitoring disk I/O performance, including information on read and write rates, average request size, and other metrics.
6. vmstat: A command-line tool that provides information on memory usage, CPU usage, and process activity.
7. sar: A system monitoring and reporting tool that can collect and analyze system performance data over time.
8. glances: A cross-platform system monitoring tool that provides real-time information on CPU usage, memory usage, disk I/O, network activity, and more.
9. netstat: A command-line tool that displays network connections, routing tables, and other network-related information.
10. iftop: A real-time network monitoring tool that displays bandwidth usage by individual connections and protocols.
11. nload: Another real-time network monitoring tool that displays network traffic in a simple, easy-to-read format.
12. tcpdump: A command-line tool for network packet capture and analysis.
13. Wireshark: A graphical network protocol analyzer that allows for in-depth inspection of network traffic.
14. ps: A command-line tool for viewing process information, including process ID, CPU usage, memory usage, and more.
15. pstree: A command-line tool that displays a hierarchical tree of processes, showing parent-child relationships.
16. lsof: A tool for listing open files, including network sockets and other resources.
17. strace: A tool for tracing system calls and signals made by a process.
18. dmesg: A command-line tool that displays system messages, including information on hardware, software, and kernel events.
19. lsblk: A tool for listing block devices, including hard drives and other storage devices.
20. df: A command-line tool that displays information on disk space usage.
21. du: A command-line tool that displays disk usage by file or directory.
22. free: A tool for displaying system memory usage, including total memory, free memory, and swap space.
23. mpstat: A command-line tool that displays CPU usage by individual processors.
24. lscpu: A tool for displaying information on the CPU architecture and hardware.
25. hwinfo: A tool for listing hardware information, including information on the CPU, memory, and storage devices.
26. uname: A command-line tool that displays information on the system kernel and operating system.
27. uptime: A command-line tool that displays system uptime and load average.
28. sensors: A tool for monitoring hardware sensors, including temperature, voltage, and fan speed.
29. acpid: A tool for monitoring and responding to ACPI events, such as power management and thermal events.
30. syslog: A system logging daemon that collects and stores system messages for analysis and troubleshooting.
In conclusion, these 30 Linux system monitoring tools provide a wide range of options for sysadmins to monitor the health and performance of their Linux servers. By using these tools, sysadmins can quickly identify and troubleshoot issues before they become major problems,