People often “tether” their computers to their smartphones, sending their computer’s network traffic over the device’s cellular data connection. “Reverse tethering” is the opposite – tethering your Android smartphone or tablet to your PC to use your PC’s Internet connection.
Ubuntu One, Ubuntu’s built-in cloud file storage service, allows you to make files publically available online or share them privately with others. You can share files over the Internet right from Ubuntu’s file browser.
Like CCleaner on Windows, BleachBit frees space by deleting unimportant files and helps maintain your privacy by deleting sensitive data. And, just like CCleaner, there’s more you can do with BleachBit than just clicking a single button.
Use Nautilus-Actions to easily and graphically create custom context menu options for Ubuntu’s Nautilus file manager. If you don’t want to create your own, you can install Nautilus-Actions-Extra to get a package of particularly useful user-created tools.
Like most things on Linux, the sudo command is very configurable. You can have sudo run specific commands without asking for a password, restrict specific users to only approved commands, log commands run with sudo, and more.
Ubuntu doesn’t use a separate /home partition by default, although many Linux users prefer one. Using a separate home partition allows you to reinstall Ubuntu without losing your personal files and settings.
Some Android apps on Google Play claim to be incompatible with various devices. There’s a good chance that these apps will run fine on many of these devices – you can bypass this check with root access.
If you have a single wired Internet connection – say, in a hotel room – you can create an ad-hoc wireless network with Ubuntu and share the Internet connection among multiple devices. Ubuntu includes an easy, graphical setup tool.
You’ve probably noticed that Ubuntu comes with a Public folder in your home directory. This folder isn’t shared by default, but you can easily set up several different types of file-sharing to easily share files on your local network.
Access an encrypted home directory when you’re not logged in – say, from a live CD – and all you’ll see is a README file. You’ll need a terminal command to recover your encrypted files.
Is your desktop so cluttered you can’t find anything? Is your Start menu so long you have to scroll to see what programs are there? If so, you probably need an application launcher to organize your desktop and make your life easier.
Ubuntu offers to encrypt your home directory during installation. The encryption has some drawbacks – there’s a performance penalty and recovering your files is more difficult. If you change your mind later, you can remove the encryption without reinstalling Ubuntu.
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 can quickly encrypt USB flash drives and external hard drives. You’ll be prompted for your passphrase each time you connect the drive to your computer – your private data will be secure, even if you misplace the drive.
Android forces you to agree to every permission an app wants, assuming you want to use the app. After rooting your device, you can manage permissions on a per-app basis.
Ubuntu is pretty snappy out-of-the-box, but there are some ways to take better advantage of your system’s memory and speed up the boot process. Some of these tips can really speed things up, especially on older hardware.
Ubuntu includes its own firewall, known as ufw – short for “uncomplicated firewall.” Ufw is an easier-to-use frontend for the standard Linux iptables commands. You can even control ufw from a graphical interface.
Vi is a powerful text editor included on most Linux systems. Many people swear by vi and find it faster than any other editor once they’ve learned its key bindings. You can even use vi key bindings in Bash.
SSH offers more than just a secure, remote terminal environment. You can use SSH to tunnel your traffic, transfer files, mount remote file systems, and more. These tips and tricks will help you take advantage of your SSH server.
Tiling window managers make your life easier by automatically arranging windows on the screen for you. Xmonad is a minimal one that’s easy to get started with — all you have to do is learn a few keyboard shortcuts.
We’ve written about using GNU Screen to multitask in the Linux terminal in the past. GNU Screen is the granddaddy of these programs, but tmux and dvtm+dtach are other solutions you may prefer.
Whether you want to shrink your Ubuntu partition, enlarge it, or split it up into several partitions, you can’t do this while it’s in use. You’ll need a Ubuntu live CD or USB drive to edit your partitions.
Ubuntu 12.04 doesn’t ship with any screen savers, just a black screen that appears when your system is idle. If you’d rather have screensavers, you can swap gnome-screensaver for XScreenSaver.
If you’ve just updated to Ubuntu 12.04, you may notice an option missing in its system menu. The Hibernate option is now hidden by default, but you can get it back if you prefer to hibernate your system.
Ubuntu’s sound menu contains Rhythmbox by default. Any other media players you install will also appear in the menu, assuming they support the MPRIS2 specification. You can hide media players in the menu or add any application you like.