How To Find Out Maximum Supported RAM Or Number Of Available DIMM Slots In Linux

If you need a quick way to find out how much RAM your Linux system supports or to determine the number of DIMM slots available, you can use a command line tool called “dmidecode”.To find out the maximum RAM capacity and the number of RAM slots available, use the following command:sudo dmidecode -t 16The output [...]

How To List Packages From A PPA / Repository In Ubuntu

A few weeks ago, we saw how to find out to which PPA / repository a package belongs to in Ubuntu / Debian. But how about getting a list of packages available in a PPA / repository?There used to be an option in Ubuntu Software Center that would list all the packages available in each [...]

Add a "New Empty File" Entry To Nautilus 3.6 Context Menu

As you probably know, a small but useful feature – at least for me -, was removed from Nautilus 3.6 (and newer): the context menu option to create a new empty text file. So here’s a quick tip on how to get this feature back. Nautilus 3.6 is not used by default in Ubuntu 12.10, [...]

How To Find Out To Which PPA Repository A Package Belongs To

There are various reasons why you may need to find out to which PPA a package belongs to, for instance, in case a package in a PPA breaks something on your system, if you want to install a package which is already installed on your computer on some other machine but you don’t know the [...]

GNOME Shell: How To Enable Notifications In The Lock Screen

GNOME Shell 3.6 got a neat feature which allows notifications to be displayed in the lock screen.In Ubuntu 12.10 (either if you’ve installed GNOME Shell manually or using Ubuntu GNOME Remix 12.10) – I’m not sure about other Linux distributions -, the lock screen notifications are turned off by default and since Ubuntu uses System [...]

Ubuntu Multi-Monitor Tweaks (Full Screen Flash Fixes, Span Wallpaper Across Monitors, More)

If you are using a multi-monitor setup in Ubuntu, here are a few tips which should help you fix some annoyances, like:get full screen flash videos to be displayed on any monitorget flash videos to remain full screen while working in the other desktopa tweak to move windows to a different display using keyboard shortcutshow [...]

How To Reset Compiz And Unity In Ubuntu 12.10 Quantal Quetzal [Quick Tip]

In Ubuntu 12.10, Compiz (and Unity) are using Gsettings instead of Gconf and because of this, the “unity –reset” command used to reset Unity in previous Ubuntu versions doesn’t work anymore. In case some settings are messed up and you want to reset Unity and Compiz to their default settings, here’s a new way of [...]

How To Make Chromium Use Flash Player `Pepper` From Google Chrome

Adobe Flash Player 11.2.x is the last release available for Linux, future versions only being available through a new API called “Pepper” as part of Google Chrome. If you want to use the latest Flash Player 11.3.x in Linux, but with Chromium, not Google Chrome, here’s what you must do.1. Firstly, you’ll have to download [...]

New Chromium Stable And Development PPAs For Ubuntu 12.04

A quick tip for Chromium users who are using Ubuntu 12.04: the Chromium PPAs (Stable, Beta, Dev and Daily) haven’t been updated since Chromium 18 but if you want to use the latest Chromium browser in Ubuntu, there are two new PPAs you can use, thanks to Alex Shkop.The two Chromium PPAs are for Ubuntu [...]

3 Hidden Features In Firefox 15 You May Want To Enable

Firefox 15, which has been released a few days ago, comes with some cool features disabled by default: native PDF viewer, preferences in tab and click-to-play plugins.These features have been in testing for quite a while, but they are not 100% ready so they aren’t enabled by default and there are no options in the [...]