Category Archives: Linux

How to use the import command to take screenshots?

This tutorial works very well on older versions of Fedora 15.

It is necessary that you have ImageMagick installed.

To create a screen capture using the following command:

Use the following command for a png image format:

Command import has options for this purpose without using mouse.

If you want use mouse than import also has option to grab the coordinates by using mouse.

You can also use a delay for the catch screen.

Many users use this command for automated scripts.

As you know, running script from cron it doesn’t have access to your DISPLAY environment variable.

It is necessary to set display to :0 if it’s not already set.

These are the basics for using the import command.

Using the argument –help you see its complexity.

Posted in Commands, Linux. Tagged with , .

How to display memory in real time on Linux systems.

To display information about memory, we use the following command:

But if we want the data displayed in terminal to be maintained, we will use:

The combination of two orders, will solve our problem.

Here is the final command:

Here is the displayed result:

free -mt

It will display used and free memory every two seconds.

Posted in Commands, Linux. Tagged with , .

How to find duplicates of an image on Internet ?

We use an extension that accesses a site specialized.

This is the extension named:
TinEye Reverse Image Search

After installation we can use it easily by clicking the right mouse.

In the menu that appears, we will find this tool: on TinEye Image Search.

Click on it and you will be redirected to the official web site with the outcome.

Posted in Linux, Windows 7, Windows 8, Windows XP. Tagged with , , .

Set default template on OpenOffice Writer

Create default template and edit old template

First you need to have OpenOffice. To create a default template should follow the following steps:

  •    Create a new document File menu -> New , and change  settings or styles as you desire.This will be your template .


  •    From the File menu, choose Templates -> Save.


  •    Give the template a name. In this case i give “This_is_new_template
  •    Select a category in the Categories list (for example, My Templates).


  •    Click OK to save the template.
  •    Choose File -> Templates -> Organize.


  •    In the Categories list, double-click on the My Templates folder.


  •    Right-click on the template you want to use and choose Set as Default Template from the menu.
  •    Click the Close button.
  •    If you want to edit a template, then File -> Templates -> Edit


  •    You will see  Open Dialog and then you select the template to be modified.
Posted in Linux. Tagged with , .

How to change “Paragraph Style: Heading” in OpenOffice.

Sometimes the use of copy and paste results in loading the document with a “heading” inappropriate.
We have two way solving this problem. We may use the button in the image below:

It opens the following window. Use right click and have two options:

Now , use “Modify…” . The next frame is :

I change the font from “Liberation Sans ” in “URW Chancery L”. See old “Paragraph Style: Heading 3”:

Now the entire document will change automatically. It is useful when we want to reduce the size of a document.

Another method is to use right click on the text and then modify its properties:

Now the settings window will appear “Paragraph Style: Heading 3”.

Please make all changes and click “ok” button .

Posted in Linux. Tagged with , .