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How to Draw a Flowchart or Diagram on Linux

There are several well-known commercial flowchart and diagram software available, e.g., Visio on Windows, OmniGraffle on MacOS X. Then what about Linux? In fact, there are a couple of reasonably good Linux alternatives to Visio or OmniGraffle, for example, yEd, Dia, LibreOffice Draw, Pencil Project, etc. In this tutorial, I...

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How to Create Desktop Shortcut or Launcher on Linux

If you have a program you use regularly on Linux desktop, you may want to create a "desktop shortcut", so you can launch the program by simply clicking on the shortcut. While most GUI programs automatically create their desktop shortcut during installation, some GUI programs or terminal applications may require...

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How to Install and Configure OpenSSH Server In Linux

Being a network administrator requires a deep knowledge about remote login protocols such as rlogin, telnet and ssh. The one I will discuss in this article is ssh, a secure remote protocol which is used to work remotely on other machines or transfer data between computers using SCP (Secure Copy)...

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Android App Layouts: How to Set Up a List of Clickable Images with GridView

In previous layout tutorials, we've looked at LinearLayout and RelativeLayout. A common use case in Android, though, is that you have a list of items to display, which you wish the user to be able to click on. Read on for an example of how to set up a GridView with a list of images, which when you click on an image, launches a webpage associated with it.

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10 Basic Examples of Linux netstat Command

Netstat is a command line utility that can be used to list out all the network (socket) connections on a system. It lists out all the tcp, udp socket connections and the unix socket connections. Apart from connected sockets it can also list listening sockets that are waiting for incoming connections. So by verifying an open port 80 you can confirm if a...

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