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How to Start a Program Automatically in Linux Desktop

Sometimes you may want to launch a program automatically when you log in to your Linux desktop. Such start-up programs can conduct system-wide configuration (e.g., auto proxy) or user-specific desktop customization (e.g., Conky), at the time you log in to your desktop. Most Linux desktop environments have its own GUI...

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How to Open a Large Text File on Linux

In the era of "big data", large text files (GB or more) could be commonly encountered around us. Suppose you somehow need to search and edit one of those big text files by hand. Or you could be analyzing multi-GB log files manually for specific troubleshooting purposes. A typical text...

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How to Configure Nagios for Audio Alerts and Mobile Notifications

In a Network Operation Centre (NOC) environment, setting up alerts is extremely important. As one of the most popular NOC monitoring systems, Nagios features powerful alerting services. Alerts generated by Nagios can be sent out in various means, so that they can be acted upon immediately. Email notification is the...

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Android App Development: How to Create an Options Menu

So far in our Android UI building blocks tutorials we haven't really looked at menus, but of course they're an essential part of the user experience of our application. In this tutorial, we'll look at creating an options menu via XML, and at adding a menu item programmatically. 

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How to Develop Cross-Platform Mobile Apps on Linux

The last few years have witnessed dramatic growth of the mobile market, mostly driven by a large selection of applications. As consumers, we all hate to see some kind of market monopoly by any one platform. The more competition, the more innovation. As developers, we have mixed feelings about cross-platform...

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