Wireshark, a network analysis tool formerly known as Ethereal, captures packets in real time and display them in human-readable format. Wireshark includes filters, color-coding and other features that let you dig deep into network traffic and inspect individual packets.
Java was responsible for 91 percent of all computer compromises in 2013. Most people not only have the Java browser plug-in enabled — they’re using an out-of-date, vulnerable version. Hey, Oracle — it’s time to disable that plug-in by default.
Java tries to install the terrible Ask Toolbar and other obnoxious junk — sorry, “sponsored software” — when you install it. Worse yet, Java bundles this junkware with security updates. This registry hack tells Java to never install that stuff.
The extremely useful Snap feature — introduced as “Aero Snap” in Windows 7 — is much-improved in Windows 10. Snap Assist, 2×2 snapping, and vertical snap features help make you more productive on the desktop.
iOS 8 added support for third-party keyboards. Now iPhone and iPad users can finally swap out their keyboards and use some of the same keyboards available on Android devices. Swipe-to-type is now an option for iPhone users, too.
The default folder-merge behavior in Mac OS X is to erase the existing folder, deleting all its files rather than offering to merge them intelligently. Windows and Linux file managers have offered folder-merging for decades, but Macs still don’t.
Windows 10 contains some great new features. if you’re a Windows 8 user, you may be tempted to upgrade just to have your desktop work better. But you can get many of Windows 10’s features without upgrading.
Ubuntu asks you to choose a name for your computer — known as a “hostname” — when you install it. You can change this hostname later, but Ubuntu doesn’t provide a graphical interface for doing so.
When it comes to accessing your email, POP3 vs. IMAP isn’t just a matter of preference. POP3 is old, outdated, and not suitable for the modern world. IMAP is the one you should be using.
Windows runs well in Boot Camp on a Mac — mostly. Battery life is below what you’d experience in OS X, the trackpad isn’t as smooth, and the keyboard layout is weird. The tools below can help.
A Mac’s keyboard layout just isn’t quite right for Windows. Whether you’re primarily a Windows user or primarily an OS X user, the layout doesn’t feel quite right when you run Windows in Boot Camp — but you can fix that.
Choosing the best Wi-Fi channel on your router helps to reduce interference and improve your WI-Fi signal. These tools will help you identify the least congested Wi-Fi channel in your area.
Microsoft wants your feedback about Windows 10 — really, they need it. This is the most important feature in the Windows 10 Technical Preview — not a Start menu, virtual desktops, or windowed “universal apps.”
App extensions allow you to extend iOS’s Share menu with any service you like, add browser actions to Safari or Chrome, use custom photo-editing tools in the Photos app, and integrate cloud storage services with any app.
iPhones and iPads can now use widgets thanks to iOS 8. In fact, you probably already have some widgets installed — they’re all just disabled by default. Here’s how to enable and use those widgets you already have.
If you’ve purchased a “System Builder” OEM copy of Windows 8.1 from Amazon, Newegg, or another online retailer, you’re probably violating the Windows license agreement. That means you technically have a “non-genuine” copy of Windows.
Since iOS 8, you can now see which apps are draining your battery the most. This includes apps that drain your battery in the background — something that’s possible on iOS since Apple added the “background refresh” feature in iOS 7.
Your smartphone — and other devices that use Wi-Fi — broadcast a unique number when they search for nearby Wi-Fi networks. A device’s unique MAC address is sent along with “probe requests” that search for nearby Wi-Fi networks.
Windows doesn’t offer a built-in way for users to make a window always-on-top. There are many third-party tools for this, but they’re often bloated and clunky. Some just don’t work well on the modern 64-bit version of Windows.
Linux’s GRUB2 boot loader can boot Linux ISO files directly from your hard drive. Boot Linux live CDs or even install Linux on another hard drive partition without burning it to disc or booting from a USB drive.
You probably shouldn’t update your BIOS, but sometimes you need to. Here’s how to check what BIOS version your computer is using and flash that new BIOS version onto your motherboard as quickly and safely as possible.
Microsoft’s Windows To Go feature installs Windows as a live system on a bootable USB drive. It’s officially only for Enterprise editions of Windows, but we’ve found a way to do it with any edition of Windows 8 or 8.1.