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39 lines
2.9 KiB
39 lines
2.9 KiB
Chapter 3.1.6 qps
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=================
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qps is the graphical task manager included with Lubuntu.
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Version
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-------
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Lubuntu ships with version 1.10.18 of qps.
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Useage
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------
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To see your memory useage in qps look at the bar that says :guilabel:`MEM`. The bar for :guilabel:`CPU` useage shows CPU useage with a bar graph with useage with a bar graphc for cpu useage. The :guilabel:`Uptime` in the top bar shows how long your computer has been running. A blue bar showing file input output shows graph in blue. Above this there is a green graph that shows your CPU useage as a graph. To show when a program was started with the :guilabel:`START` column. To have a view of process ID of each process use the :guilabel:`PID` column. The column :guilabel:`Command Line` shows what command line starts the process. To show which user the process is running on is in the :guilabel:`USER` column.
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To sort your processes by memory click on the mem tab. To have your processes sorted by CPU percentage press the button :guilabel:`CPU%` To have your processes sorted by CPU%. To sort by the command line of each process you can press the command line. To sort by how much memory is used by each process click on the :guilabel:`Mem` tab.
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To change your process view to each process gets its own line or linear select the :guilabel:`Linear` radio button in the upper left hand corner. To oranize each related process with a tree for parent and child processes press the :guilabel:`Tree` radio button. To search for a particualr process enter a search term in the bar towards the cneter top of the user interface.
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To change the update period is to :menuselection:`Option --> Update Period`. To change more prefrences :menuselection:`Option --> Prefrences` and a prefrences window will pop up. To change the font is the drop down menu under :guilabel:`Appearance` and the drop down number is for the font size. To change how cpu useage is divided per your total number of CPU cores or a Single cpu press a radio button under :guilabel:`%CPU divided by`.
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When you have qps open a tray icon will appear that shows a graph of cpu useage.
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To search for a particular process you can type your type into the search bar right above a particular process right above it. To terminate a process right click on it and select :menuselection:`Terminate` or press :kbd:`delete`. To kill a process move the mouse over it right click and select :menuselection:`Kill` or press :kbd:`Alt + K`.
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To toggle showing a graph with your overall system useage check/uncheck the :menuselection:`Otion --> Show Graph` checkbox in the menu. To toggle showing the bar with the option to search for processor or choose linear or tree view of processes check/uncheck :menuselection:`Option --> Show Control bar` checkbox in the menu.
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Screenshot
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----------
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.. image:: qps.png
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How to launch
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-------------
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To launch qps go to the menu :menuselection:`System Tools --> qps` or run
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.. code::
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qps
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from the command line.
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