Fix “The Update Information Is Outdated”

Sometimes, the message “The Update Information Is Outdated” is displayed when you click on a red warning red icon in the status bar.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

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Change the Ubuntu login screen background?

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

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How to Install libnfc for PN532 NFC Readers on Linux

Installing libnfc for PN532 based NFC reader is not exactly as described in the documentation. Some information is scattered in the documentation. This installation guide has been tested with the

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How To Setup an Internet Gateway using Ubuntu

Setting up an Internet Gateway using Ubuntu is pretty straight forward. In order to do so, you will need: A computer with two network interfaces. One hooked to your WAN

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Installing memcached to use it with php

Installing Memcached with php support in Ubuntu is a matter of a few steps: sudo apt-get install memcached php5-memcached sudo service apache2 restart You can test if memcached is active

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phpMyAdmin session timeout

phpMyAdmin session timeout is controlled through two parameters. The first one can be found in /etc/php5/apache2/php.ini. It is called session.gc_maxlifetime. The other one can be found in the phpMyAdmin configuration

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Java Applets are no longer working in Linux

NPAPI support was dropped in Chrome version 35 introduced in Spring 2014. One of the consequences is that Java Applets running with IcedTea no longer works. Upgrading to Ubuntu 14.04

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Issues after upgrading to Ubuntu 14.04.1

After upgrading to Ubuntu 14.04.01, I ran into two issues: One with Apache2 and one with Samba 4. Apache has been upgraded from 2.2.22 to 2.4.7. The content was no

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How to rename a user in Linux

Simply issue this command: usermod -m -d /home/new-account-name -l new-account-name old-account-name It creates the home directory if it does not exists. It also copy the stuff of the old user

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preinst: line 118: a2query: command not found

If you are getting the following errors while trying to install Apache on Trusty (Ubuntu 14.04), execute the commands below and try to re-install it. Preparing to unpack …/apache2_2.4.7-1ubuntu4_amd64.deb …

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How To Restore Skype Status Bar Icon In Ubuntu 14.04

After installing Skype on Ubuntu 14.04, there is no icon in the status bar. To restore it, simply execute the following command: sudo apt-get install sni-qt:i386 . This procedure works

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