Posts Categorized: ubuntu

Customise Yakuake Tabs On Start


I’ve been recommending the slide-down terminal Yakuake to people for some time now and I couldn’t live without it myself. Although I use Cinnamon as a desktop I much prefer Yakuake over Guake and can live with the extra RAM usage of the KDE libraries. When logging in I wanted to have tabs created for… Read more »

Arduino Serial Port Menu Greyed Out

On Linux Mint (Ubuntu) I had installed the Arduino IDE from the repository and that had installed version 1.0.5. Despite setting the permissions on the Arduino USB device, the ‘Serial Port’ option in the IDE menu was greyed out and would not allow for selecting the device – it thus defaulted to using COM1 –… Read more »

Kerberos Keytab File Creation on Ubuntu

To create a kerberos keytab file on Ubuntu and with the kerberos packages installed (e.g. sudo apt-get install krb5-user )

After completing those steps there should be a keyfile created in the current directory. That keytab file can be used instead of using a password. For example:


Customise the Unity Launcher from Command Line

I am rolling out some Linux desktops, specifically Ubuntu, and I wanted to customize the icons available in the Unity Launcher. I wanted to remove the LibreOffce Calc and Impress icons and the darned ‘Amazon’ one, so: Create a new gschema override file for our customisations:

Add some content (the com.canonical.Unity.gschema.xml file in the… Read more »

Create Password Hashes From the Command Line

I wanted to generate a password hash for use in the /etc/shadow file. My local Linux Mint (Ubuntu) Desktop already has mkpasswd available, your distribution may vary.

This prompts for the password and will generate the hash.    

Screen Annotation on Linux

I was testing a HP EliteBook 2730p with Linux Mint 17.2. The laptop/netbook/tablet comes with a touchscreen and stylus. USB booting did not work for me but I was able to network/pxeboot an installation. When it came to drawing on the touchscreen I was able to get up and running after installing Gromit i.e.

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Local Ubuntu Repository

I wanted to set up a local repository for DEB packages I create to be installed among a number of cluster nodes. After building the deb package I added it to my home folder as follows and created the Packages.gz file:

I can now add a new line to my apt sources.list file as… Read more »

Linux Mint 64-bit and Steam

I had the following error message on Linux Mint when trying to play a new game:

Solved by installing the 32-bit libtxc as follows:


Vuze IP Address Filters

Vuze IP Filters

Vuze has built-in ability to exclude IP addresses under Options > IP Filters have many of these lists and the bluetack level 1 list address is:

This URL should be entered into the space labelled: IP Filter file to autoload This will restrict sharing with any of the listed IP addresses.