Install Programs in Ubuntu

Tor is an excellent obfuscation network for web traffic, and while instant messaging over the network is very useful, it can be relatively difficult to configure. In this guide, we'll look at two synchronous communications platforms (instant messengers) which can be routed ove ...more

Hard disk problems are quite common these days, and when they fail you have no other option but to replace it. Fortunately, Ubuntu has been designed to run on your USB stick! Most laptops are enabled to boot from a USB device, and you can create a persistent USB flash drive s ...more

When people first learn that their Android device is capable of dual-booting different operating systems, e.g. Linux, they almost universally respond with, "That's so cool." And for those of us ambitious enough to actually try one out, we are typically filled with glee as we s ...more

For Windows laptops and PCs it's easy to install Linux. However for Macs, it's a different story. There are people installing Ubuntu on Macbooks and so far I've noticed that they are using 9.10. I've remastered my own Ubuntu 10.04 complete with playing flash videos and other a ...more

While our time with the Protostar VM from Exploit Exercises was lovely, we must move on to bigger things and harder challenges. Exploit Exercises' Fusion VM offers some more challenging binary exploitation levels for us to tackle. The biggest change is that these levels are al ...more

GRUB, or the GRand Unified Bootloader, is a program that installs to your Master Boot Record and controls what operating system you load at boot time. Normally, it is used for multi-boot systems. Multi-boots allow you to switch between operating systems installed on seperate d ...more

In my previous post, I wrote showed you how to install Ubuntu 9.10 (Karmic Koala) on your PC. This time we'll be doing an upgrade from that to Ubuntu 10.04 (Lucid Lynx). Note: You'll need a Wi-Fi connection for this. Ubuntu 10.04.2 LTS (long term support) is available for do ...more

Windows has always been pretty customizable, and there are a ton of ways to change up the way your PC looks—though, it hasn't always been easy. In the past, changing anything other than wallpapers, titlebars, and fonts involved long hours of switching out system files with mod ...more

Here is an alternative method to run Ubuntu 10.04 on a Mac without actually installing it on your internal hard disk. The idea is to install Ubuntu on your USB flash disk, instead of installing it on your internal hard drive. I'm talking about a full disk installation. It won ...more

Ruby is a dynamic, general-purpose programming language created by Yukihiro "Matz" Matsumoto in Japan around the mid-90's. It has many uses but with it's flexibility, it makes a great language to write exploits in. In fact, the entire Metasploit Framework is written in Ruby! T ...more

Brute-forcing is an easy way of discovering weak login credentials and is often one of the first steps when a hacker finds network services running on a network they gain access to. For beginners and experienced hackers alike, it's useful to have access to the right tools to d ...more

While you might suspect your MacOS computer has been infected with malware, it can be difficult to know for sure. One way to spot malicious programs is to look for suspicious behavior — like programs listening in on our keyboard input or launching themselves every time we boot ...more

Once you've installed Ubuntu with security in mind and reduced the possibility of network attacks on your system, you can start thinking about security on an application level. If a malicious file is opened on your system, will an attacker be able to access every file on the c ...more

Metadata contained in images and other files can give away a lot more information than the average user might think. By tricking a target into sending a photo containing GPS coordinates and additional information, a hacker can learn where a mark lives or works simply by extrac ...more

Web application vulnerabilities are one of the most crucial points of consideration in any penetration test or security evaluation. While some security areas require a home network or computer for testing, creating a test website to learn web app security requires a slightly d ...more

When it comes to webcams these days, most people are using their laptops over desktops. The cameras are centered, integrated, and require no configuring. They're a cinch and usually have great resolution. So, then what do we do with all of those old wired desktop webcams that ...more

After installing Ubuntu as your primary OS, you should have protected against USB Rubber Ducky payloads, defended against hard drive forensics, and reduced the overall attack surface against physical strikes. When defending against network-based attacks, you'll want to minimiz ...more

Formerly ipchains, iptables is a script-based firewall that's included with both Mac and Linux operating systems. In my opinion, it's the best firewall in existence. The only downfall is that it's complicated for some people to use due to its script-based nature. But this shou ...more

Welcome back, my hacker wannabees! Since nearly all hacker tools and platforms are developed in the Linux/Unix operating systems, this series of tutorials are for those of you who want to be hackers, but are unfamiliar with Linux. We've looked at numerous basic commands in th ...more

Kali Linux is known as being the de facto penetration-testing Linux distribution but can be a pain to use as an everyday OS — even more of a pain if that means carrying around a second laptop or the constant frustration of using the finicky Wi-Fi on virtual machines. But there ...more

With just a few taps, an Android phone can be weaponized into a covert hacking device capable of running tools such as Nmap, Nikto, and Netcat — all without rooting the device. UserLAnd, created by UserLAnd Technologies, is a completely free Android app that makes installing ...more

The public leaks of NSA tools and information have led to the release of previously secret zero-day exploits such as EternalBlue, which was used in the notorious WannaCry ransomware attack. Despite multiple patches being released, many users have failed to update their systems ...more

There are many tools out there for Wi-Fi hacking, but few are as integrated and well-rounded as Bettercap. Thanks to an impressively simple interface that works even over SSH, it's easy to access many of the most powerful Wi-Fi attacks available from anywhere. To capture hands ...more

Social engineering is described as the clever manipulation of the natural tendency of human trust. All of the passwords, locks, and encryption in the entire world are useless against a good social engineer who can charm or trick you into giving it up. But what once started as ...more

No doubt you've seen some of the hack logs being released. One part that stands out over and over again is the heavy database usage. It used to be early on that virus and hackers would destroy data, usually just for lulz. However, with the explosive commercial growth of the In ...more

Kali Linux is probably the most well-known hacking distribution among penetration testers. However, there are alternative distros which offer versatility and advanced package management systems that are absolutely worth considering. One such distribution is Pentoo, a Gentoo-b ...more

Welcome back, my aspiring hackers! Although this article may have been better placed first in this series, I doubt that anyone would have read it when just starting out studying Linux. Now, that you are well into your Linux studies and have some familiarity with how it operat ...more

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning ...more

Dual booting Ubuntu 10.10 Maverick Meerkat and Windows 7 is fairly easy. If you don't believe me, just read on! Get Windows 7 First thing's first! Ye can't install Windows 7 without an installation disk, can ya? So if your PC did not come with Windows 7 pre-installed, grab a ...more

Often times when staying at a hotel or anywhere for that matter, you'll whip out your laptop and check the local area for Wi-Fi. I know you've all been in my shoes when you find an unsecured network that appears to be public Wi-Fi belonging to the hotel or airport, and you con ...more