LightDM: How To Disable The User List Or Guest Session

Quick tips for Ubuntu / LightDM users: if you want to hide the LightDM login screen user list and / or the Guest Session for security concerns, because there are too many users or whatever other reason, here’s how to do it.Default LightDM login screen (Unity Greeter) with user list and Guest Session enabled1. To […]

Make VLC Automatically Save / Restore Playback Position With Srpos Plugin

VLC is a great media player but it lacks a minor, yet pretty important feature, some would say: an option to resume playback from where you left off.However, VLC supports plugins and there is one called Srpos (available for Linux and Windows) which does just that: it allows VLC to automatically save the playback position […]

How To Disable The Spotify Tray / AppIndicator Icon In Ubuntu

The native Spotify Linux client uses a tray icon / appindicator that can’t be set by the icon theme so it doesn’t integrate with the rest of the Ubuntu desktop. Furthermore, Spotify is integrated in the Ubuntu Sound Menu so the tray icon is not needed.Below you’ll find two ways of removing / hiding the […]

Fix “Cannot add PPA. Please check that the PPA name or format is correct” And Other CA-Certificates Related Issues In Ubuntu

Yesterday I encountered an issue in Ubuntu related to CA-certificates which resulted in errors when trying to add PPA repositories, cloning GIT repositories and more and I decided to make an article on how to fix these issues in Ubuntu, in case you run into the same issue.Here’s what happened. Firstly, I tried adding a […]

How To Install Chromium Beta Or Dev Channel In Ubuntu Via PPA

Quick tip for Chromium Browser users: The official Ubuntu Chromium Browser beta and dev channel PPAs are unmaintained for a long time but there are a couple of PPAs you can use to get the latest beta and development Chromium builds in Ubuntu.Saikrishna Arcot maintains two Chromium PPAs: one for the Chromium Beta channel and […]

Get Unity Global Menu / HUD Support For Java Swing Applications With JAyatana

Java Swing Ayatana is a project that brings Ubuntu global menu (AppMenu) and HUD support for Java Swing applications.JAyatana version 2.0 was released recently, getting support for Ubuntu 13.10 along with a PPA for easy installation. Even though there are no packages for Ubuntu 14.04 yet, Java Ayatana also works with the latest Ubuntu Trusty […]

Make Firefox Use Native Notifications In Linux With GNotifier

Quick tip for Firefox users: GNotifier is a Firefox extension that makes the browser use native notifications on the Linux desktop. The extension currently supports GNOME (Shell), Unity, KDE and Xfce.Below you can see a Firefox notification in action using GNotifier, under Unity and GNOME Shell:Besides regular notifications, like the one displayed when a file […]

How To Enable AMD Radeon Dynamic Power Management (DPM) In Ubuntu 13.10

The open source AMD Radeon driver got dynamic power management support with Linux Kernel 3.11. With this, the GPU and memory clocks adjust dynamically based on load, useful for saving power.This feature is not enabled by default, at least in Ubuntu 13.10 (it will probably be enabled by default in Ubuntu 14.04) so here’s how […]

Enable Hardware Acceleration In Chrome / Chromium Browser [Quick Tip]

Many of you probably already know about this but for the rest, here’s a quick tip that you might find useful. Quick tip: If you use Chrome or Chromium browsers and hardware acceleration is disabled for your graphics card, you can try to force it to get better video playback performance (for instance on YouTube) […]

Unity Global Menu Can Now Be Disabled For Individual Applications [Ubuntu 14.04 Trusty Tahr]

After a recent update in Ubuntu 14.04 Trusty Tahr, it’s possible to whitelist or blacklist individual applications from using the Ubuntu AppMenu (global menu).These settings are accessible via Dconf-editor, under  com > canonical > unity-gtk-module.To blacklist an application from using the Unity global menu in Ubuntu 14.04, install dconf-editor:sudo apt-get install dconf-editorThen open Dconf Editor, […]

How To Downgrade Proposed Repository Packages In Ubuntu

Enabling the proposed repository in Ubuntu is usually not a good idea because it’s a testing area for updates so things can break. If you’ve enabled the proposed repository and something broke, here’s how to revert the changes by downgrading the packages installed from the proposed repository.Revert package upgrades from the Ubuntu proposed repository1. Firstly, […]

Cinnamon 2.0 No Longer Breaks Unity In Ubuntu 13.10 [Quick Update]

A quick update for Ubuntu 13.10 users: the latest Cinnamon from the stable PPA no longer breaks Unity so it’s safe to install it in Ubuntu 13.10 (Saucy Salamander).If you want to give Cinnamon 2.0 a try without breaking the Unity session, in case you don’t want to continue using Cinnamon,  you can now safely […]

Get The Ubuntu One Nautilus Integration Back In Ubuntu 13.10

In Ubuntu 13.10, there’s no Nautilus integration for Ubuntu One because the package containing the Nautilus extension was removed.Some of that functionality is integrated with the Sync Menu, but not all: currently, there is no way of knowing if a file is currently in sync with Ubuntu One. Also, some users might prefer to right […]

8 Things To Do After Installing Ubuntu 13.10 (Saucy Salamander)

Ubuntu 13.10 was released today and for those of you who plan on doing a clean install, here are 8 useful things to do after the installation.1. Install some extra AppIndicators (applets)System Load Indicator is a port of the popular System Monitor GNOME Panel applet and it can display CPU, memory, network usage and more […]

How To Disable Recursive Search In Nautilus 3.6 or 3.8 [Patch w/ PPA]

The type-ahead find feature was removed from Nautilus starting with version 3.6. Now when typing in a Nautilus (3.6+) window, it performs a search in the current directory and all subdirectories instead of selecting the file or folder that matches what you’ve typed. This feature is not that bad except for one thing: searching in […]

How To Get XCF Thumbnails In Nautilus 3.x [Quick Tip]

Quick tip: You can get XCF thumbnails in Nautilus by using GNOME XCF Thumbnailer. However, the tool needs a fix to work with the latest Nautilus 3.x.XCF (eXperimental Computing Facility) is the native image format used by GIMP image editor.To get XCF thumbnails in Nautilus, firstly install gnome-xcf-thumbnailer. In Ubuntu, use the following command:sudo apt-get [...]

Use Monochrome Icons For The Steam Ubuntu AppIndicator [Quick Tip]

A quick tip for those of you who are using Steam for Linux in Ubuntu: you’ve probably noticed that Steam for Linux has recently got an AppIndicator, but its icon doesn’t integrate with the default Ubuntu icons, so here’s how to use Ubuntu Mono dark / light icons for the Steam AppIndicator.Below you can see [...]

How To Get Unity Launcher Window Dodge In Ubuntu 12.10 Or 13.04

The patch that adds the old window dodge autohide behaviour for the Unity Launcher hasn’t been updated for Ubuntu 12.10, but an old script that implements the same behaviour, with some limitations, now works with Ubuntu 12.10 and even 13.04.The Unity Dodge Windows script was initially created by Jorge for Ubuntu 12.04 and it has [...]

Unity Revamped PPA Is Back For Ubuntu 12.04 (Unity Launcher Dodge, Minimize On Click Features)

The Unity Revamped PPA is back for Ubuntu 12.04 LTS. This is a PPA that comes with a custom Unity build that brings back the old “Dodge windows” and “Dodge active window” Launcher hide behaviour as well as a feature that many have requested: minimize / restore windows by clicking on their icon in the [...]

Enable TRIM On SSD (Solid-State Drives) In Ubuntu For Better Performance

TRIM allows the OS to “inform a solid-state drive (SDD) which blocks of data are no longer considered in use and can be wiped internally”. Without using TRIM, the SSD speed decreases after a while so if you have a solid-state drive that supports TRIM, you should enable it so your SSD remains fast over [...]