System Information & Monitoring

Articles in System Information & Monitoring

• How to list PCI devices → lspci

  Learn how to use lspci command to list PCI devices in Linux. Complete guide with examples, troubleshooting, and advanced options for system administrators.

• How to list USB devices → lsusb

  Learn how to use lsusb command to list USB devices on Linux systems. Complete guide with examples, troubleshooting tips, and advanced usage for system administrators.

• How to show CPU details → lscpu

  Learn how to use the lscpu command to display detailed CPU information on Linux systems. Complete guide with examples, troubleshooting, and advanced usage tips.

• How to show CPU usage → mpstat

  Learn how to monitor CPU usage with mpstat command. Complete guide with examples, troubleshooting, and advanced techniques for Linux system administrators.

• How to report system activity → sar

  Learn how to use the sar command to monitor and report Linux system activity. Complete guide with examples, troubleshooting, and best practices for performance analysis.

• How to display I/O statistics → iostat

  Learn how to use iostat command to monitor I/O statistics, analyze disk performance, and troubleshoot system bottlenecks with practical examples and expert tips.

• How to display system statistics → vmstat

  Learn how to use vmstat command to monitor Linux system performance. Complete guide with examples, options, and troubleshooting for system administrators.

• How to show memory usage → free

  Learn how to check memory usage with the free command in Linux. Complete guide covering syntax, options, examples, and troubleshooting for system administrators.

• How to display kernel messages → dmesg

  Learn to display and analyze Linux kernel messages using dmesg command. Complete guide with examples, filtering options, troubleshooting tips, and best practices.

• How to show system uptime → uptime

  Learn how to check system uptime using the uptime command in Linux and Unix. Complete guide with examples, troubleshooting tips, and advanced usage for all skill levels.

• How to show hostname → hostname

  Learn how to display and manage hostnames across Windows, Linux, and macOS systems. Complete guide with commands, troubleshooting, and best practices for all users.

• How to show system info → uname

  Learn how to use the uname command to display comprehensive system information in Linux and Unix. Complete guide with examples, options, and troubleshooting tips.