Linux provides different methods for installing software. You can install software from the standard Ubuntu software repositories using the Ubuntu Software Center, from outside of the standard Ubuntu software repositories, or by compiling source code. However, what if you need to uninstall a program?
The Ubuntu Software Center allows you to easily add and remove programs in Ubuntu. However, each Linux distribution has a different graphical method for adding and removing software. If you prefer using the keyboard, you can install and uninstall software using the command line.
ISO files are disc images — complete images of a CD or DVD bundled in a single file. This file can then be “mounted” and made available as a virtual CD or DVD, allowing you to convert physical discs to virtual ones.
Your web browser is under attack. Aside from simply tricking you into downloading and running malicious software, attackers mainly target flaws in your browser and its plug-ins to compromise your PC.
Mozilla has been making a lot of changes to Firefox recently. Mozilla’s own Firefox Hello video chat service and the Pocket read-it-later service are now integrated and appear on Firefox’s toolbar by default.
Whether it is a matter of low remaining internal hard-drive space or just a personal preference, external hard-drives can be useful in many ways. With that in mind, is it safe to use an external USB hard-drive for the /home mount in Linux? Today’s SuperUser Q&A post discusses the question to help a curious reader.
You can easily convert PDF files to editable text in Linux using the “pdftotext” command line tool. However, if there are any images in the original PDF file, they are not extracted. To extract images from a PDF file, you can use another command line tool called “pdfimages”.
Programs you install often add themselves to the startup process on Windows, Mac OS X, and even Linux. But you can also add your own favorite programs to the startup process and have them launch automatically after you log into your computer.
By default, Ubuntu checks for system updates every day and prompts you when they are available. At that point, you can choose to download and install the updates immediately or have Ubuntu remind you later. However, you can also choose to have updates downloaded and installed automatically.
There are various reasons why you might want to convert a PDF file to editable text. Maybe you need to revise an old document and all you have is the PDF version of it. Converting PDF files in Windows is easy, but what if you’re using Linux?
Does YouTube stutter, heat up your laptop, kick your fans into gear, or just use a lot of CPU? Even if you’ve never noticed, YouTube in Chrome is almost certainly using more battery power than it needs to. Like Chrome’s other performance problems, this is probably worst on Macs.
Click-to-play plug-ins allowed you to prevent video plug-ins from starting as soon as you load a web page, but more and more websites are moving to HTML5 video. Thankfully, it’s still possible to prevent autoplay in many browsers.
The Xbox One Controller is a fantastic gamepad, and although Microsoft has only recently started bundled the drivers for it in Windows 10, there are drivers available for Windows 7 and 8 on their website. Mac users do not have an official driver, but there is an lightweight open source solution that works well.
All modern operating systems — from smartphones and tablets to desktops and laptops — automatically send your local searches over the Internet and provide web results. But you can disable this, which is especially useful for protecting private searches.
If you’re a Linux user, there’s a good chance you’ve installed Linux alongside an existing Windows 7 or 8.1 system in a dual-boot configuration. You can get the free Windows 10 upgrade without damaging your existing Linux system.
What’s that song playing right now? At one point, your best bet was to hope your friend knew — or try to listen to the lyrics and search for them. Now, you can just have your phone, tablet, or PC listen to it. This is all built into modern operating systems.
Minecraft’s native LAN support is great for running games on the fly, but if you want a dedicated, customized server, Spigot is the way to go. Spigot is built on a plugin API called Bukkit, which makes customizing your gameplay easy, and since the Bukkit project has been around since the dawn of Minecraft multiplayer, many developers have released their own plugins and modifications.
Creating installation media for your operating system of choice used to be simple. Just download an ISO and burn it to CD or DVD. Now we’re using USB drives, and the process is a little different for each operating system.
Everyone wants to replace the password with something better. Well, we already have smartphones — and some of us even have smartwatches. These tools can log you into your computer with a smartphone or smartwatch.
Adobe’s Flash plug-in has a big target painted on it. A recent leak shows there’s another Flash Player 0-day that allows attackers to compromise your computer, and that it’s been for sale for the last four years.
Skype doesn’t offer an obvious way to use multiple accounts at the same time. You don’t have to log out and log back in — you can sign into as many Skype accounts as you want via the web, Windows, Mac, or Linux Skype applications.
VPNs are very useful, whether you’re traveling the world or just using public Wi-Fi at a coffee shop in your hometown. But you don’t necessarily have to pay for a VPN service — you could host your own VPN server at home.
Want to turn any old computer into a Chromebook? Google doesn’t provide official builds of Chrome OS for any old computer, but there are ways you can install the open-source Chromium OS software or a similar operating system.
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.
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.