Boot Os From External

For those of you who've already gotten Beta Preview or Developer Preview access to Mac OS X 10.10 Yosemite, I highly recommend installing it on a separate partition on your hard drive. There have been many reported bugs and even blank gray screens that prevent access to the s ...more

Since the new Mac OS X 10.11 El Capitan is brand new, I recommend installing it on a separate partition on your hard drive. This will keep your current Yosemite system safe from harm, and will let you easily switch back to it should El Capitan become unusable for any reason. ...more

While Windows 10 is still a few weeks away from a public release, that doesn't mean you can't enjoy its brand new features right now. Anyone with an Insider Preview account can install Windows 10 on their computer. And that doesn't just go for those that own a Windows PC—Mac u ...more

No more carrying around heavy laptops and thousands of Linux Live CDs and USBs to always be ready for pentesting on the fly! I hope you had a good Christmas and happy new year! Update1: Added the section "weaponizing your Android" where I talk about apps and fundamental Kali ...more

Backing up your files is a requirement in today's world of tech. In an instant, your storage device can fail. This is an unacceptable situation that should never happen to anyone. Storage is cheap, and backups are easier than ever to perform. Most of the time, this can be comp ...more

The Raspberry Pi loads an operating system from whatever SD card you insert, allowing you to keep different operating systems on separate SD cards depending on which OS you wish to run. A tool called BerryBoot cuts down on the number of SD cards needed by providing the ability ...more

Welcome back, my hacker novitiates! Many of you have written me that you're having difficulty installing and running Metasploit on a variety of platforms. No matter if you're using Mac, Linux, or Windows, I strongly recommend you install BackTrack as your secondary OS, a virt ...more

This is my first how-to for this site so feel free to let me know if I can somehow improve! Inspired by the great Jailbroken iDevice and Rooted Android PenTesting tutorials I decided to share how I use my Toshiba Chromebook 2 with Kali Sana. Chromebooks have a couple of bene ...more

As Android bug bounty hunters and penetration testers, we need a properly configured environment to work in when testing exploits and looking for vulnerabilities. This could mean a virtual Android operating system or a dedicated network for capturing requests and performing ma ...more

In the Windows 8 Enterprise edition, you can use the Windows to Go feature to travel with Windows 8 OS, personal files, documents, settings and many more. All you need is an external hard drive or USB drive of 32 GB space or more and USB 3.0 support or more for fast Windows 8 ...more

Your BIOS, or Basic Input Output System, is the firmware on your motherboard responsible for initializing your computer's hardware when it is first powered on. It probes for video adapters, RAM, the whole works. The BIOS provides a small library of basic input/output functions ...more

Did you know Kali 1.0.8? You probably did, and you probably know about the EFI boot option that has been added. That's a very interesting new feature because it allows Kali to be easily booted on Mac too, and every EFI-supported device. First three preview lines gone? As alw ...more

I love my Mac to pieces, but there have been times, so many times, that I wanted to silence that classic Apple start-up chime. I mean, the only thing the sound does is notify everyone around you that you have a Mac, and that you have turned said Mac on, right? Well it's not so ...more

With great power comes great responsibility, and when it comes to modding Android, nothing is more powerful than TWRP custom recovery. As easy as it is to replace your phone's entire OS with a custom ROM, when things go awry, you can also be left with no operating system at al ...more

Kali Linux is the go-to Linux distribution for penetration testing and ethical hacking. Still, it's not recommended for day-to-day use, such as responding to emails, playing games, or checking Facebook. That's why it's better to run your Kali Linux system from a bootable USB d ...more

Many windows users, if not all, run into a virus infection once in a while. This is unavoidable when using Microsoft's operating system. Without digressing too much, the fact that Windows is such a popular OS with no controlled software sources makes it easy for viruses and ma ...more

After a hacker has configured Metasploit on a remote private server, created a resource script for automation, and created a simple payload, he or she can begin the process of remotely controlling someone's Windows 10 computer with just a few moments of physical access — even ...more

With an inconspicuous Android phone and USB flash drive, an attacker can compromise a Windows 10 computer in less than 15 seconds. Once a root shell has been established, long-term persistence to the backdoor can be configured with just two simple commands — all while bypassin ...more

It's been little over a month since the official release of LG's latest flagship phone, the LG V20. Despite a few minor hiccups, the V20 has been attracting attention from all over for being an amazing phone. But like with most Android phones, there's no better feeling than ro ...more

Third-party ROMs like CyanogenMod are the ultimate form of customization for softModders. Hard-working developers offer us alternate Android experiences to replace our often bloatware-riddled stock ROMs. Installing custom ROMs is performed with a special type of software call ...more

The Pi-hole project is a popular DNS-level ad blocker, but it can be much more than that. Its DNS-level filtering can also be used as a firewall of sorts to prevent malicious websites from resolving, as well as to keep privacy-killing trackers such as Google Analytics from eve ...more

Kali Linux is established as the go-to operating system for penetration testing, but in its default configuration, it's less than ideal for regular desktop use. While in many scenarios, a live boot or virtual environment can resolve these issues, in some situations, a full ins ...more

Kali Linux has come a long way since its BackTrack days, and it's still widely considered the ultimate Linux distribution for penetration testing. The system has undergone quite the transformation since its old days and includes an updated look, improved performance, and some ...more

Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more

Password strength and encryption are important things when it comes to computers. A password is the entire security of your computer, and OS passwords are not hard to break. Most users believe that if you have a password on your computer via the OS, that you are safe. This is ...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

Technology in computers these days are very favorable to the semi-knowledgeable hacker. We have TOR for anonymity online, we have SSDs to protect and securely delete our data—we can even boot an OS from a thumb drive or SD card. With a little tunneling and MAC spoofing, a dece ...more

Let's face it, CDs and DVDs are a thing of the past. We no longer use them as a storage medium because they are slow, prone to failure in burning, and non-reusable. The future is flash memory. Flash memory is cheap, fast, and efficient. Eventually, flash drives might even repl ...more

If you're interested in bypassing Windows and Linux passwords, there is a great tool from the good people at Kryptoslogic. Have you ever forgotten your administrator password? Have you ever bought a used computer with a password on it? Well, Kryptoslogic have created a boot-di ...more

This is Null Byte's fourth part in a series about fully securing our computers (Part 1, Part 2, Part 3). In our last Null Byte, we went over how to encrypt an entire operating system to protect our data, however, this doesn't fully protect us. In the case of legal extortion, t ...more

Have you ever had this happen? Your main OS is windows, and you just istalled a nux dualboot. But when you installed GRUB to the mbr, your windows loader got deleted! Hence you are not able to get into windows anymore... Sucks. But there's also a solution! Boot into linux an ...more

Introduction to KVM KVM is a free and open-source Kernel-based Virtual Machine using the Linux kernel for virualization and is very similiar to a hypervisor like Xen or VMware's ESXi. It is based on Qemu, a processor emulator. Any virtual machine created on or working on KVM ...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