So, what can you do to remove this list of users filling up your login screen? You can create an “Other” option which will hide user accounts from your lock screen. This option will appear in the login screen, from where you can type in the account username and password manually. But first, you’ll need the account name or “username” of the user(s) that you want to hide. Here’s how to get short names of user accounts in OS X:...

But there are caveats to this. Some of the more recent Chromebook models come pre-loaded with the Play Store, letting you get straight down to dabbling with Android apps, while other models will require you to update Chrome OS to a “beta” version, as the feature is still being tested, and many older models won’t receive the update at all. So, before we proceed, take a look at this official list of Chromebooks that are in line to receive Android compatibility....

Building the main Guest Additions module …fail! (Look at /var/log/vboxadd-install.log to find out what went wrong) Looking at the vboxadd-install.log file, you will find that the cause for the installation failure is because of the missing kernel headers. This may sound complicated to you, but don’t worry, here’s the fix: Open a terminal (in the Ubuntu VM) and type: Once the installation is completed, you can proceed to install the guest additions....

What You’ll Need First, you’ll need to download a copy of Oracle VM VirtualBox. You’ll also need an ISO image of the macOS version you want to install. Getting hold of an ISO is actually more difficult than you might expect. Even if you have access to a Mac, you won’t be able to download a copy of the OS you already have installed. Regardless of the macOS version your Mac is running, open the App Store page of the latest macOS version – Monterey – and download the installer from there....

Let’s see how we can install and run virtual machines on Ubuntu with VirtualBox. Install VirtualBox Install VirtualBox through Ubuntu’s Software Center application. However, use the terminal here. It’s more universal, works the same way anywhere and you can see what is going on. After opening a terminal emulator, you can easily install virtualbox with this command: Normally, “virtualbox-qt” should install automatically alongside other dependencies. This is the package that shows us a graphical user interface for VirtualBox....

In either case, you’ll be pleased to know that it’s possible to stop Android apps from automatically updating themselves without your permission. Unfortunately, Google did a good job hiding away the option to turn off automatic updates. Let’s take a look at where these options are and how to reach them. Stopping All Apps from Updating If you want to stop all apps from automatically updating themselves, follow these steps....

The following will show you how you can search for files this way. File Time Stamps: What are they and why are they so important? Time stamps are records of the time when files were created, accessed, and modified. Windows records a time stamp in UTC (Coordinated Universal Time) format which prevents it from being affected by shift in time zone as well as Daylight Savings Time (DST). Windows saves time stamps in a machine language which would be difficult for the users to interpret....

Bumblebee tries to mimic the Optimus technology behavior by using the dedicated GPU for rendering when needed and to power it down when not in use. Ubuntu systems already come with Nvidia Prime which provides a way for users to switch between Nvidia and Intel GPUs. The problem with this is that it only works for the whole desktop and does not allow a user to set the GPU for a certain application....

Your Subscription Page To get to the page that manages all your subscriptions, start by opening up your iOS home screen and tap on the “Settings” app. Next, tap on the large option at the top of the “Settings” app labeled with your iCloud account name. Tap this and you’ll be taken to the following screen where you’ll need to tap on the “iTunes and App Store” option. From here you’ll be greeted by two screens....

Although it has gained new features and received tweaks here and there, watching videos on YouTube remains a sub-par experience when compared to standalone media players. Thankfully, VLC supports playing (almost) any online video stream, offering the best of both worlds. Unfortunately, though, playing a stream in it is a five-click process and then some. It doesn’t seem significant, but as the videos pile up, it gets tiresome. Soon you find yourself directly clicking on links in your browser because it’s simply easier....

What Is WIM? WIM stands for Windows Imaging Format. This is a disk format used to code images. It was first introduced in Windows Vista by Microsoft. The benefit of formatting images using a WIM format is that it’s optimized – the compressed file has a much smaller footprint compared to the original image. There are six types of WIM resources in such a file: Metadata resourceLookup tableXML dataIntegrity tableHeaderFile resource...

1. Create an Album Getting started with albums couldn’t be any easier. Just open the photos app and look at the top left of the screen where you’ll see a “+” button and tap it. iOS will ask you if you want to create a “new album” or a “new shared album.” The choice is yours, but for most people, the former makes the most sense. Enter the name of your album and then hit “save....

Windows has a native encryption feature that lets you keep your documents safe from snoops, but you can use third-party encryption software for really sensitive information. Follow along to learn how to password-protect files and folders in Windows 10. Password-Protect Windows 10 Files and Folders Using Windows Built-In Encryption To do this, follow the steps below: Open File Explorer and right-click on the file or folder you want to password protect, and then select Properties....

And even that doesn’t stop OS X from throwing that annoying beach ball icon at you right when you’re at your most productive phase of the day? If the answer to that is yes, read on! Mac OS X normally is a pretty good multi tasking operating system but like all operating systems, OS X also has it’s limits and while it tries to make maximum use of the RAM and CPU power available to it (and multiple cores, if you’re using a grand central enabled application), there will always be times when you have to face the beach ball....

I am sure you have seen a .UK at the end of a website address. That is because of the country specific nature of the site. Google for example, has a bunch of country specific search engines. For example Google.com.au or Google.fr/ Below are some tips to help you narrow down your searches from a global level to a more manageable set of results. The big three make up the bulk of the article, but there is a list of different localized search engines....

1. Perform Eye Exercises This may sound complicated, but eye exercises are anything but! Every twenty minutes of looking at a monitor, take twenty seconds to look at something that’s at least twenty feet away. Eye doctors name this the “20-20-20” method. It breaks up the stress that’s put on your eyes from looking at a monitor. If there’s nothing in your immediate line of sight that’s 20 feet away, use this time to walk about as well....

Want more apps to enjoy on your PC? Learn how to run Android apps on Windows. Why You Should Prevent Apps from Accessing the Internet There are many reasons why you would want to prevent certain apps from accessing the Internet, including: Staying safe by blocking apps that you don’t trust from going online. Giving this access means that such apps will send and receive data to and from their servers....

While this feature may be welcomed by some, there are plenty of others who are concerned about their privacy and also the disclosure of their whereabouts. Luckily, you can easily disable this feature and prevent your friend from checking you in. Here’s how: 1. Log in to your Facebook account 2. Go to “Account -> Privacy Settings“. Click on “Customize Settings”. Scroll down until you see the option “Friends can check me in to Places”....

This same function is now available on Firefox with a similar add-on called CoolPreviews. The tool is great for checking links, specifically shortened ones, to make sure they don’t lead to unsecure sites. Once you have CoolPreviews installed, you should immediately notice a small magnifying glass icon on the add-on bar. For earlier versions of Firefox, the add-on bar is located on the bottom of the browser. To enable the preview function, just hover over the web link and look for the same magnifying glass icon (usually located to the right of your mouse pointer)....

Download and Install Gprof comes pre-installed with most of the Linux distributions, but if that’s not the case with your Linux distro, you can download and install it through a command line package manager like apt-get or yum. For example, run the following command to download and install gprof on Debian-based systems: Requirements Before you use gprof to generate profiling data, make sure that your program executable contains extra information required by the profiler to function properly....