There is no single standard for DNS servers on Linux. Each distribution uses something different, so you’ll need to see which one is running on your system. Of course, it doesn’t hurt to just try these and see which works. The procedure is nearly the same.
VirtualBox Guest Addition Software is a suite of utilities that enhances the virtual machine’s operating systems and improves the management of the machine… When you install a new operating system on a VirtualBox virtual machine, your first task should be to install the Guest Addition Software….
For those who want to test the latest Linux kernels, Ukuu (Ubuntu Kernel Upgrade Utility) offers a simple interface with list of the “mainline” Kernels and allow user to one-click download and install a selected kernel release.
If you want to force the apt-get to use IPv4 or IPv6 only one time, follow these steps. This feature is available after the 0.9.7.9~exp1 version of apt-get.
There is no use trying to secure Android if you are not running an up-to-date version of the Operating System. At its core, Android is another (highly specialized) Linux distribution.
Sqlmap is one of the most popular and powerful sql injection automation tool out there. Given a vulnerable http request url, sqlmap can exploit the remote database and do a lot of hacking like extracting database names, tables, columns, all the data in the tables etc. It can even read and write files on the remote file system under certain conditions.
If you’re using Ubuntu Linux on your daily basis work, you’ve probably Java installed on your machine. Personally I prefer using Wepupd8 PPA to manage JAVA installation, it makes my life a lot more easier especially for updates.