Category: How To’s

Learn | Teach Open Source Technologies

OpenSSL fixes Alternative chains authentication

OpenSSL Base fixed an important difficulty of which impacts any kind of program of which employs the widely accepted crypto collection inside authentication operations. This weakness in the OpenSSL crypto selection ended up being identified through Adam Langley along with Mark Benjamin associated with Yahoo and google BoringSSL of which reported it to OpenSSL with…
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How to change URL in your WordPress site  using Shell on Linux Server

To change your URL you need to access functions.php file using Shell on Linux Server, functions.php file will be available in your current active theme. We assume here our active theme is Twentyfifteen in our WordPress Site root@www1:~# clear root@www1:~# cd /usr/share/nginx/html/wp-content/themes/t twentyfifteen/ twentyfourteen/ twentythirteen/

Updating NGINX 1.4.6 to 1.8.x on Ubuntu 14.04 and fixing limit_zone errors

sudo apt-get install python-software-properties sudo add-apt-repository ppa:nginx/stable sudo apt-get update sudo apt-get upgrade

Use the Emacs Editor in Linux

Emacs is one of the oldest and most versatile text editors available for Linux and UNIX-based systems. It’s been around for a long time (more than twenty years for GNU emacs) and is well known for its powerful and rich editing features.

Vim Editor in Linux / Unix / Solaris

The vim editor is a very powerful tool and has a very extensive built-in manual, which you can activate using the :help command when the program is started (instead of using man or info, which don’t contain nearly as much information). We will only discuss the very basics here to get you started.

How to Crawl Hidden Friends on Facebook (Fake App)

Hackers have a new tool in their arsenal dubbed Facebook Friends Mapper that allows them to crawl Facebook Hidden Friends list just in a click. Facebook users can protect their privacy by setting the “privacy level” for every information related their profile or content they post online.

Thousands Linux and FreeBSD Servers Infected with Mumblehard Spamming Malware

The sophisticated Mumblehard spamming malware infects thousands of Linux and FreeBSD servers going under the radar for at least five years. In the last seven months, several thousand Linux and FreeBSD machines have been infected with a sophisticated malware dubbed Mumblehard. The infected machines were part of a botnet used, in the last five years, to…
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The Ethics of Information Security

The ethical vision of security testing constitutes rules of engagement that have to be followed by an auditor to present professional, ethical, and authorized practices. These rules define how the testing services should be offered, how the testing should be performed, determine the legal contracts and negotiations, define the scope of testing, prepare the test…
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