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Create a Linux Program Launcher Icon

July 5, 2021 · admin Ubuntu Linux GitHub

Two tools are now available in the GitHub repository located at <https://github.com/ctheroux/LinuxUtilities-Users> to create a program launcher for most Linux systems.

How to install Pronterface on Ubuntu 16.04

April 30, 2017 · admin Ubuntu 3D Printing

To install Pronterface on Unbuntu, first install the dependencies.

Script to create a shared git project

July 2, 2016 · admin Unix Ubuntu Linux GIT

This script creates a git project to be shared among the users of the Unix group $GIT\_GROUP. Every git project will be created into the directory $REPOSITORIES\_BASE\_DIR.

VirtualBox fails on startup

June 28, 2016 · admin Ubuntu Virtual Box

Result Code: NS\_ERROR\_FAILURE (0x80004005) / Kernel driver not installed (rc=-1908) are the errors displayed when the kernel driver needs to be recompiled. It usually happens when updates to Ubuntu are installed. The kernel driver can be recompiled by issuing one the following commands:

Port forwarding using SSH

June 26, 2016 · admin Unix Ubuntu SSH

SSH port forwarding let you connect to a server using another server a relay. For example, if you host a web server in a DMZ behind your office router, you will not be able to access it using its public URL if your workstation is behind the same router. You can easily implement a workaround if you have access to a server on the Internet. Issue this command on one of the machines connected on the same network as your workstation.

Reset Unity Top Menu Bar Widget Panel

June 20, 2016 · admin Ubuntu Unity

Sometimes, widget disappears from the Top Menu Bar Widget Panel of Unity. The Widget Panel can be reset using the following command:

Make Linux use the hardware clock set to local time

June 3, 2016 · admin Ubuntu Linux

Ubuntu sometimes assumes that the hardware clock of the computer is set to GMT. If the hardware clock is set to local time, set UTC=no in /etc/default/rcS.

Move and secure the MySQL data directory

May 28, 2016 · admin Ubuntu Linux MySQL

By default, the data directory of MySQL is /var/lib/mysql. This can be a security issue, especially on a laptop. If your home directory is encrypted, you can easily secure you MySQL data. Backup you data before using this information. Read the procedure until the end before doing anything. First, follow these steps to move the data directory of MySQL.

Fix “The Update Information Is Outdated”

March 13, 2016 · admin Ubuntu Ubuntu 14.04 Ubuntu 15.04

Sometimes, the message "The Update Information Is Outdated" is displayed when you click on a red warning red icon in the status bar. It happened to me last week. This time, it was caused by a Google Chrome update that failed. First, open a terminal (Control + Alt + T) and run the command

Change the Ubuntu login screen background?

July 13, 2015 · admin Ubuntu Ubuntu 12.04 Ubuntu 14.04 Ubuntu 15.04

Changing the login screen background is easy but not obvious. The image file you want to use as the login screen background must have a read access for everyone. Open the image with the Image viewer installed by default. Select the option Set as Wallpaper from the Image menu. The Appearance option of the Settings will only let you change the desktop background.

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