Groups help define the permissions and access your Linux user account has to files, folders, settings, and more. Finding out the groups to which a user account belongs helps give you a better understanding of that user’s access (and troubleshoot when things don’t work right).
Most modern computers are capable of running a 64-bit operating system. But just because a computer supports it doesn’t mean that’s what’s running. Here’s how to tell whether you’re running a 32-bit or 64-bit version of Linux.
Ubuntu and many other Linux distributions use the GRUB2 boot loader. If GRUB2 breaks—for example, if you install Windows after installing Ubuntu, or overwrite your MBR—you won’t be able to boot into Ubuntu.
On occasion you will need to edit the hosts file on your machine. Sometimes because of an attack or prank, and others so that you can simply and freely control access to websites and network traffic.
Bash is the default command-line shell on most Linux distributions, from Ubuntu and Debian to Red Hat and Fedora. Bash is also the default shell included with macOS, and you can install a Linux-based bash environment on Windows 10.
If you’ve tried to install Google Chrome in Ubuntu Linux, you may have noticed that it’s not available in the Ubuntu Software Center. However, it’s easy to download a package file for Google Chrome and install it on your system, and we’ll show you how.
Want to try out Ubuntu, but not sure where to start? There are lots of ways to try out Ubuntu – you can even install it on Windows and uninstall it from your Control Panel if you don’t like it.
Ubuntu has a number of terminal emulators that you can use, including xterm and the gnome terminal. If you install the kubuntu desktop package you can also use konsole under ubuntu.
A Linux live USB drive is normally a blank slate each time you boot it. You can boot it up, install programs, save files, and change settings. But, as soon as you reboot, all your changes are wiped away and you’re back to a fresh system. This can be useful, but if you want a system that picks up where you left off, you can create a live USB with persistent storage.
Ubuntu adopted the new version of the Grub boot manager in version 9.10, getting rid of the old problematic menu.lst. Today we look at how to change the boot menu options in Grub2.
Ubuntu has a lot of GUI-based methods for installing applications, but they take some time to search and find. Since the keyboard is usually faster than the mouse, managing your software via the command-line can be a real time-saver.
Installing software on Linux involves package managers and software repositories, not downloading and running .exe files from websites like on Windows. If you’re new to Linux, this can seem like a dramatic culture shift.
AppArmor is an important security feature that’s been included by default with Ubuntu since Ubuntu 7.10. However, it runs silently in the background, so you may not be aware of what it is and what it’s doing.
Install many third-party .deb packages on Ubuntu – even mainstream, high-quality software like Google Chrome and Skype – and you will see an error saying the package is of bad quality. We will explain what this scary-looking error actually means.
Ubuntu and Linux Mint are two of the most popular desktop Linux distributions at the moment. If you’re looking to take the dive into Linux – or you’ve already used Ubuntu or Mint – you wonder how they’re different.
You’ve always got a trusty bootable USB flash drive with you to solve computer problems, but what if a PC’s BIOS won’t let you boot from USB? We’ll show you how to make a CD or floppy disk that will let you boot from your USB drive.
When you search using the Unity Dash, you may notice online content displaying in your search results. Your search terms are sent to productsearch.ubuntu.com and third parties such as Amazon and Facebook and used to provide you online search results in addition to local results.
In June 2014, Microsoft raised the amount of storage you get with a free OneDrive account to 15GB, from 7GB. Now that you have all this free online storage, why not use it? I use Ubuntu, not Windows, you say. No worries. There is a solution.
Wouldn’t it be nice to be able to try a new version of Ubuntu while knowing you can return to the previous version if you don’t like it? We’ll show you a tool that allows you to take a snapshot of your system at any time.
If you need to reinstall Ubuntu or if you just want to install a new version from scratch, wouldn’t it be useful to have an easy way to reinstall all your apps and settings? You can easily accomplish this using a free tool called Aptik.
You’ve set up the programs you need. Your windows are arranged just right. Then, something else demands your attention and you have to shut down. No worries. You can have Ubuntu remember all your running applications and restore them the next time you log in.
When you enter a long command into the Terminal window that you found on the web or in a document, you can save yourself some time by easily copying and pasting the command at the prompt.
The Unity Launcher in Ubuntu is locked to the left side of the screen. If you would rather have a launcher at the bottom of the screen, there is a way to convert the Unity Launcher into a dock-style launcher at the bottom of the screen.
Have you switched from Mac to Linux and miss the Mac OS X-style launcher? Or, maybe you just want a dock other than the Unity Launcher on your Linux machine. Cairo-Dock is a customizable dock you can add to your Linux desktop.
If you’re a keyboard person, a lot of things can be accomplished simply using the command line. For example, there are a few easy-to-use methods for creating text files, should you need to do so.