![]() Alternatively, you can watch all of the processes running on the system, or just the ones that are actively working, by clicking the View menu item from the menu bar and selecting which option you want to view. The default view shows all processes currently being run by your user account. Processes appear in a table format in the window display. These programs perform most of the behind-the-scenes work, such as monitoring the battery level in your laptop and scheduling programs to run at specific times.Ĭlicking the Processes tab provides an overview of the programs currently running on the system, as shown in Figure 18-1.įigure 18-1: The Processes tab in the System Monitor tool. Processes running in background mode don't appear on your desktop, so you have no way of knowing they're running. It often helps to know what processes are running on the Ubuntu system, especially because many of them run in background mode. In the Linux world, processes are the programs running on the system. He has written several other books, including Professional Linux Programming, Linux For Dummies, 8th Edition, and Linux Command Line and Shell Scripting Bible. He has administered Unix, Linux, Novell and Microsoft servers and has helped create and maintain a 3,500-user network with Cisco switches and routers. Richard Blum has more than 20 years experience in the IT industry as both a systems and network administrator. System Status: Displays the amount of disk space available on the system.Īlthough not a major source of information, the System tab does provide some of the basic things you might be curious to know about your Ubuntu system, or might need to know if you stumble across another Ubuntu system and need to know what it's running.Hardware: Displays the processor type and the amount of physical memory installed in the system.Ubuntu: Provides information on the version of Ubuntu installed, the Linux kernel version, and the GNOME desktop version.There are three sections in the System tab: The System tab provides an easy, one-stop-shopping location to find basic information about the system. The following sections help you interpret the various pieces of information contained in the System Monitor. ![]() For that information to be useful, you need to know what it means. ![]() Of course, just having a bunch of information thrown at you doesn't help at all. File Systems: Shows information about the hard drives that are mounted on the system.Resources: Shows real-time information about CPU and memory usage.Processes: Shows real-time information about programs currently running on the system.System: Displays general information about the Ubuntu workstation.There are four window tabs of information in the System Monitor: The System Monitor tool provides information about how the system hardware and software are working. Start the System Monitor by selecting System, Administration, System Monitor from the Panel menu. The best tool for administering your Ubuntu workstation is the System Monitor. Finally, we'll discuss the Disk Usage Analyzer tool, which allows you see where your disk space is going. Next, we'll look at a couple of utilities that Ubuntu provides for configuring which system services and applications run, both when your system starts and when you log into your desktop. We'll then take a look at how Ubuntu uses log files to document when things go wrong on the system. It also offers guidelines for creating a new system and getting the most out of each application available.įirst we'll take a look at the System Monitor, which can provide some excellent information about what programs are running and how much of the system resources they're using. The book instructs how to install Ubuntu Linux in most environments, including dual-boot and text-based installations. This chapter excerpt on basic Ubuntu administration (download PDF) is taken from the book Ubuntu Linux Secrets.
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