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Basic System Monitoring Commands

I am going to discuss some basic system monitoring commands here. Nothing big, Management Linux Mint 16 `Petra` 13.10 Released [Screenshots, Video] » href= »http://www.adminreseau.fr/pinguy-os-13-10-released-screenshots-video/ »>Released [Screenshots] » href= »http://www.adminreseau.fr/linux-mint-16-petra-released-screenshots/ »>Released, Install It In Ubuntu [Tool That Helps Save Battery Power] » href= »http://www.adminreseau.fr/tlp-0-5-released-install-it-in-ubuntu-tool-that-helps-save-battery-power/ »>Tool [Examples] » href= »http://www.adminreseau.fr/logrotate-the-most-basic-log-management-tool-examples/ »>most of the systems will have it pre-installed.
  • top: Displays pid, user, CPU, physical memory and swap usage in real time. You can press M – to sort by memory, S – to sort by time, P – to sort by CPU interactively. You can also press u and k to check out user processes and kill one respectively.
  • ps: It shows a list of processes. Use option -A for the entire list, -ef to get a detailed view and -u for user processes.
  • vmstat: It provides statistics for processors, memory, swap, I/O and CPU.
  • df: This is used to get information about the Beta Adds File Versioning, Android App [PPA] » href= »http://www.adminreseau.fr/bittorrent-sync-beta-adds-file-versioning-android-app-ppa/ »>file system. It’ll show you the size, used space, available space, used %, and mount information.
  • du: It is used to check out the size of files. It goes recursively if you do not specify the file name.
  • iostat: It provides the information about the Kernel Linux on Raspberry Pi Running XFCE [Version 2] » href= »http://www.adminreseau.fr/arch-linux-on-raspberry-pi-running-xfce-version-2/ »>version, average cpu usage and hardware devices. You might need to install sysstat package for this.
  • who and w: Provides information regarding the number of people logged in. w provides more detailed report.

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