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Systemd is now used by default in most Linux distributions, from Fedora and Red Hat to Ubuntu, Debian, openSUSE, and Arch. The systemctl command allows you to get information about systemd’s status and control running services.

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Roku’s line of streaming boxes are still the most popular, beating out Google’s Chromecast and the Apple TV. Roku recently refreshed their hardware, but there are still four different options to choose from — not the single option you get with competing devices.

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You can capture video (or screenshots) from any device with an HDMI cable or composite video outputs with a basic device. You could live-stream gameplay on Twitch TV with such a device, too.

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Mac OS X has built-in support for connecting to most common types of VPNs. If you want to ensure your Mac automatically reconnected to your VPN or connect to an OpenVPN VPN, you’ll need a third-party app.

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Windows doesn’t have an integrated too like Preview for Mac OS X — it doesn’t even come with a PDF printer. Here’s how to split, merge, reorder, sign, and mark-up PDF files with the least obnoxious software possible.

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VPN setup can be complex, especially for less experienced users. It may involve installing various certificate files as well as configuring server settings. Create a configuration profile and this will be as easy as downloading and tapping a file.

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It’s happened again. You were trying to answer a call while washing dishes, and your phone takes a dive straight into the sink. Getting water inside your phone is one of the most devastating ways to watch your mobile device bite the dust, but fear not, all is not lost just yet.

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Apple’s Time Machine typically backs up to an external drive or wirelessly to a Time Capsule. But, if you have a spare Mac, you can turn it into a Time Machine server. All your other Macs can back up to it over the network, just as if it were a Time Capsule.

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Chrome isn’t the minimal web browser it once was. Originally named Chrome because it was designed to get out of your way, Chrome is no longer just a minimal browser — it’s an entire application platform.

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iPhones and iPads don’t have file systems you can access. Instead, each app has its own “library” of files. iTunes File Sharing allows you to copy files to and from these per-app libraries.

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Many modern smart TVs have support for the Chromecast-like DIAL protocol built in. You can cast videos to your TV from YouTube and Netflix — on your phone or computer — without getting a Chromecast.

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Microsoft does offer a web-based version of Skype, so you can chat with your friends on your Chromebook. There’s no official voice or video support yet, but there are ways around that.

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Modern iPhones and iPads have excellent VPN support. The PPTP, L2TP/IPSec, and Cisco IPSec protocols are all integrated. You can connect to OpenVPN networks and other types of VPNs with third-party apps.

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How fast is your Internet connection? Sure, your Internet service provider has given you some numbers, and your cellular provider probably says you get blazing fast 4G LTE. But how fast is it, actually?

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Need to sign a document and email it? Don’t print, sign, and then scan it back in again. Skip the entire process and apply your signature electronically. It saves time and you don’t need a printer or scanner.

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A while ago we had the realization that we don’t use our tablets as much as we used to; that led us to ask how we could extend battery life on our Android tablets when we weren’t using them. Today, we pose that same question to our iPads.

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Many boxes you plug into your TV, including the Roku, Xbox 360, Xbox One, and PlayStation 3 offer DLNA (“Digital Living Network Alliance”) streaming support. They can stream video files and music over the network from your PC — as long as you set up a DLNA server first.

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There are several reasons why you might end up with a protected partition you can’t delete on a drive. For example, Macs create 200 MB partitions at the start of an external drive when you set up Time Machine on it.

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So you’ve got a nice big widescreen TV and an amazing home theater setup. Your speakers offer excellent sound — there’s just one problem. You want to use it while people are sleeping or otherwise busy. That means turning to headphones.

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You generally don’t need to install hardware drivers on Linux. It’ll automatically detect the hardware in your computer and set it up for you — that’s the goal. But printers can be a different story.

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YouTube has an integrated remote-control feature. Pair the YouTube app on your phone or the website on your computer with YouTube on any streaming box, smart TV, or game console for easy, Chromecast-style browsing and playback controls.

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Google’s Chromecast makes it easy to browse for videos and watch them on your TV, but what if you want to quickly pause playback without reaching for your smartphone or computer? You can now do this right from your TV’s built-in remote.

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Google’s Chromecast allows you to launch videos and control them from your phone, cast your entire screen to your TV, and generally use a smartphone instead of a remote. You can do a lot of this with your Roku, too.

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Not every Roku channel appears in the channel store. There are quite a few hidden “private channels” you have to go out of your way to find.

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What’s more fun than the creative block-building in Minecraft? Building whenever and wherever you want with a portable Minecraft installation on a flash drive you can take with you. Read on as we detail how to configure a portable copy of Minecraft for build-anywhere fun.

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