Docker’s convenient, but it can be a security risk, too. It’s important to protect Docker Engine against possible threats, especially if you’re running a Docker host in production. Docker Bench for Security is an automated script that can help you find issues with your configuration. The Bench script scans your host to find weaknesses in your Docker Engine setup. It’s provided by Docker itself as an open-source, security-auditing tool....

If you have missing GPG keys you’ll get an error like the one above in the screenshot if you are using Synaptic Package Manager and a similar one if you use the terminal. “Launchpad-getkeys” is a script that imports these missing keys automatically. When adding PPAs to Ubuntu via “apt-add-repository” the PPA and its key will be imported. These GPG keys are a way to verify the packages in that PPA....

At $19.99 USD for 12 months of access to online multiplayer, free NES and SNES games, and more, the Nintendo Switch Online service is a great deal. Whatever your reason, you can cancel the auto-renewal of the service at any time. In a Web Browser Turning off the automatic renewal of your subscription is easy, especially since you’ve paid for all your time upfront. Navigate any web browser to accounts....

Ubuntu offers to encrypt your home folder during installation. If you decline the encryption and change your mind later, you don’t have to reinstall Ubuntu. You can activate the encryption with a few terminal commands. Ubuntu uses eCryptfs for encryption. When you log in, your home directory is automatically decrypted with your password. While there is a performance penalty to encryption, it can keep private data confidential, particularly on laptops that may be stolen....

You don’t need to root, install a custom ROM, or switch to an iPhone to do this anymore. In fact, Android finally has the app permission system it should have had all along, similar to the iPhone’s system (though still room for improvement). RELATED: With iOS 15, the iPhone Stays Ahead of Android in Privacy How Android’s Permission System Works Android apps will ask for permission when they need it....

Nmtui is short for Network Manager Text User Interface. It presents a curses-based TUI containing interactive prompts. Whereas nmcli commands can be complex and tricky to remember, a single nmtui invocation drops you into a set of menus that help you configure your connections. Main Menu Running nmtui with no arguments displays a menu of three options. Use your arrow keys to highlight an item, then press enter to select it....

Apple’s Notes app lets you save your notes locally on your device, or synced with iCloud. When you enable iCloud, though, all your previous notes remain on your device. Here’s how to move them to your iCloud account. RELATED: How to Install and Use Apple iCloud on Windows Computers For example, maybe you got an iPad at one point and it was your only iOS device at the time. Maybe you thought you don’t need to enable iCloud because you have no other Apple devices to sync with....

Motherboards are the most complex component in your computer. Fitted with hundreds of components and dozens of options it can be difficult to choose. Let’s look at the most important factors to help you decide before building your next computer. Motherboards are the central nervous system of your computer. They are responsible for connecting and communicating between all of the important components inside. Knowing what to look for is key when comparing boards....

Whether you have an Oculus Rift or HTC Vive, you can take advantage of SteamVR. Steam allows you to play any game in your library–even 2D games not designed for VR–in a virtual “desktop theater” mode on your headset of choice. What You Need to Know RELATED: How to Watch Any Video on Oculus Go, Rift, HTC Vive, Gear VR, or Daydream This feature doesn’t turn any old game into a fully immersive virtual reality game with head tracking....

Using the Keyboard Not all apps support printing in Windows 8, a good example of one that does is Mail. So fire up the default Mail app select an email you want to print. When you are ready, go ahead and press the ctrl + P keyboard combination. This will bring up a list of available print devices on the right-hand side, you can use the up and down arrows to select a printer....

How to Record Sound on Android Using your Android phone, you can record both internal and external audio. Simply follow the steps below. Record External Audio To record your own voice using your phone‘s built-in mic or an external mic, use the stock Voice Recorder app on your phone. Get started by opening your app drawer and launching the Voice Recorder app. Depending on your phone model, you’ll have various ways to record the audio....

Live Episodes The BBC America channel shuffles through a lot of older episodes of the latest Doctor Who seasons. It is also the one place to go to watch the latest episodes as they air. These are the streaming services you can use to see every episode of the newest season. SlingTV SlingTV has two options that allow you to stream BBC America at a rather low price. You can purchase the Sling Blue option for $20 for the first month and then $30 a month after that....

If a microphone connected to your Windows 11 PC is too loud, too quiet, or just not working, there’s a handy way to test your audio input device and check its input level in Windows Settings. We’ll show you how. First, make sure that the microphone you want to test is connected to your PC—usually via Bluetooth or USB. You can also test a microphone that’s built into your device....

Google may still be the top search engine, but Bing is starting to stand on its own. Bing has many of the same search operators offered by Google, but it has a few tricks you won’t find elsewhere. Master these search operators and you’ll find exactly what you’re looking for, and do it faster. These search operators will also work in Yahoo, which is now powered by Bing. The Basics Bing’s basic search operators work similarly to Google’s....

Netflix streaming isn’t just a feature that is nice to have, for many people it is a must have for any video streaming software. Unfortunately it has been missing from XBMC for various reasons, until today. In order to get Netflix Watch Instantly working in XBMC you just need to have XBMC 10.0+ installed on Windows or OS X. Because of a lack of Silverlight support, this currently does not work on XBMC Live, Linux, or iOS devices (iPhone, iPad, AppleTV)....

After using Windows 8 for a while, I’ve come to the conclusion that removing the Start button from the Taskbar was a huge mistake. Here’s how to make your own “Start” button that brings up the Metro Start screen—but doesn’t waste any memory at all. What we’ll be doing is pretty simple—create a script that simulates pressing the Windows key button, make it into an executable, assign an icon, and pin it to the taskbar so that it sorta looks like the Start button, and works the same way....

Dubbed the “Reset Glitch Hack” (it uses a pulse of electricity to disrupt communication with a specific chip on the 360 motherboard during the authentication process thus opening the door for unsigned code and a boot loader) it’s an effective hack for people who aren’t afraid to get their hands dirty. You’ll need to be comfortable soldering, shelling out a small amount of money for the various supplies and microchips you’ll need for the job, and of course no worries about potentially ruining your console with a soldering job gone bad....

What Is Hacktivism? The term hacktivist was first coined by a member of the Cult of the Dead Cow, a hacking group that used to meet in an abandoned slaughterhouse in Lubbock, Texas. It is a portmanteau word joining hacking and activist. Hacktivists see themselves as social justice warriors carrying out attacks against targets that are, as far as they are concerned, deserving of service disruption and downtime. They will target organizations that they wish to bring public attention to, or highlight a cause they support....

Ever had to wait for a download to finish and wished that you could play a game of Tetris? Even if you have never been in that situation, you can use this trick to increase your geek cred the next time your friends come over. Launch uTorrent and click on the Help menu, then click on the About uTorrent option. This will bring up the about box, press the “T” key to launch a round of Tetris....

Yellow and orange, blue and black, green and red: you’ll find the RAM slots on motherboards in all sorts of color pairs. But what exactly do those pairs mean and how does it affect you when system building or upgrading your current rig? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites. Image courtesy of question asker, Totymedli....