Dnscrypt is a protocol that is used to improve DNS security by authenticating communications between a DNS client and a DNS resolver. DNSCrypt prevents DNS spoofing. It uses cryptographic signatures to verify that responses originate from the chosen DNS resolver and haven’t been tampered with. DNSCrypt is available for multi-platforms including Windows, MacOS, Unix, Android, iOS, Linux and even routers.
Just this very sweet morning you started your laptop and Boom! You get a black screen with a message that “Unknown Filesystem” and a message saying “Grub Rescue”. Now you are here at LinuxAndUbunu to see how you can tackle out of this problem and save your precious data and boot normally into Linux again. Let us start.
Iptables is a great firewall included in the netfilter framework of Linux. A firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules.
You have heard about a proxy sometimes but what is a proxy and how it works? The proxy provides many functions like anonymous navigation, access to geographically restricted content, or filter some content. Well basically a proxy server is a computer that acts like an intermediate between your PC and the internet and all the traffic looks like the Proxy server did it.
So for a distro hopper like me, one very useful tool is USB-ISO-MAKER. I always need to have these tools at my disposal as I am always testing out distros. For a long time, I have resorted to Rufus on Microsoft Windows as my most trusted USB ISO MAKER, and for all these times, I must confess, it has served me well. But the problem with Rufus, it requires Windows. So I have been looking for similar tools on Linux but they always seem to be unreliable sometime. The very popular Unetbootin works most of the time but it is in no way as robust as Rufus. There is also dd which is a command line utility but sometimes I do really prefer a GUI and dd can be devastating if you are not very careful. But then there was Etcher. Let me show you why Etcher is so awesome.
One of the most important things for any user is the security, if a user is running a vulnerable system, his information is in danger. If you want to have your information insured, you must do more than having a strong operating system, you must encrypt your files.
Do you have a Nvidia graphics card on your desktop? That's great until you are in need of the latest drivers especially when you are a gamer. Unlike Windows, Nvidia drivers for Linux desktops are quite hard to come by, and installing the latest drivers on your Linux desktop can be quite an arduous process. Fortunately for Linux users, there are the third party graphics drivers PPA which keeps an updated Nvidia driver for installation. The PPA is currently in testing but you can nonetheless get working Nvidia drivers from here.
CentOS 7 is a Linux distribution targeted for enterprise use and is kind of like the free version of Red Hat Enterprise Linux. You can grab a copy of it from the official website. I’m gonna write specifically about installing the CentOS minimal edition.
Arch Linux is a great Linux distro but it's also the distro that is known to be the most complicated to install distro due to command line based setup. In this article, I'll guide you to step by step Arch Linux installation.
Users are kind of like accounts in Linux that define the level of access you to to particular files and system settings. Usually you already create a user when you install the OS for the first time but you may need to create more users later for various purposes like different persons using the same computer.