Monthly Archive: December 2014

Dec 20 2014

How to receive incoming faxes in the FreePBX Distro for free, without spending $150

Here is how to receive incoming faxes in the FreePBX Distro without spending $150 on their FaxPro module (which IMHO is severely overpriced, given that several other distros offer a comparable faxing solution for free, including Elastix and Incredible PBX, though I do not necessarily recommend either of those distributions for various reasons). It may …

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Dec 19 2014

Link: Use VnStat to Monitor Network Traffic from Linux Command Line

Network traffic monitoring not only helps administrators detect root causes of traffic related issues, like network overloading, but also helps them keep a tab on traffic flow to and from the Internet. Overall, it’s an important task that requires a dedicated and an effective software. For Linux, there are many GUI-based network traffic monitoring tools, …

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Dec 18 2014

Link: U-Boot and Linux Source Code for ODROID-C1 Board Has Been Released

Hardkernel ODROID-C1 board, a more powerful $35 alternative to the Raspberry Pi, garnered a lot of attention when it was announced last week. At the time source code was not available, but as scheduled, U-boot and Linux source code is now available, and the full Android SDL should be released on February 2015. Instructions to …

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Dec 17 2014

Link: How to block unwanted IP addresses on Linux efficiently

You may want to block IP addresses on your Linux box under various circumstances. For example, as an end user you may want to protect yourself from known spyware or tracker IP addresses. Or when you are running P2P software, you may want to filter out connections from networks associated with anti-P2P activity. If you …

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Dec 15 2014

Link: How To Add Launchpad PPAs In Debian Via `add-apt-repository` Command

“add-apt-repository” is an Ubuntu-specific script to add or remove repositories which, among others, automatically imports the public GPG key. For more information, see its man page. You can use “add-apt-repository” in Debian to add Launchpad PPAs however, there are a few things that you should know. Read on to find out how to use “add-apt-repository” …

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Dec 14 2014

Link: How to Check the Progress of Running Commands in Linux

Sometimes, while copying a large file, like a movie or an operating system image, the cp command takes longer than expected based on the load on your system. Since it doesn’t tell the progress of the operation, it gets difficult to understand what exactly is happening. In scenarios like these, a command like cv could …

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Dec 13 2014

Link: Spider a Website with Wget – 20 Practical Examples

How do I download an entire website for offline viewing? How do I save all the MP3s from a website to a folder on my computer? How do I download files that are behind a login page? How do I build a mini-version of Google? Wget is a free command line program – available for …

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Dec 12 2014

Link: Working with Arrays in Linux Shell Scripting – Part 8

We cannot imagine a programming language without the concept of arrays. It doesn’t matter how they are implemented among various languages. Instead arrays help us in consolidating data, similar or different, under one symbolic name. Here as we are concerned about shell scripting, this article will help you in playing around with some shell scripts …

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Dec 11 2014

Link: ODROID-C1 is a $35 quad-core, single-board Android/Linux PC

When the Raspberry Pi team launched a tiny, low power computer priced at just $35, it was pretty remarkable. But that was 2 years ago, and while the Raspberry Pi has seen a few updates in that time, it’s still powered by the same single-core 700 MHz Broadcomm BCM2835 ARM11 processor. Over the past few …

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Dec 10 2014

Link: cpio command – copies, lists & extracts files to and from archives

Linux/UNIX cpio (copy in/out) command copies, lists, and extracts files to and from a single file or archives. Some of the options available with cpio command are listed in the below table . The cpio command requires that one of the o, i, or p options must be specified. Full article here: cpio command – …

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