Category: Ubuntu
Create a Linux Program Launcher Icon
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. The first version of them is a command-line version
Read MoreHow to install Pronterface on Ubuntu 16.04
To install Pronterface on Unbuntu, first install the dependencies. sudo apt-get install python-serial python-wxgtk3.0 python-pyglet \ python-numpy cython python-libxml2 python-gobject python-dbus \ python-psutil python-cairosvg libpython-dev git Then, download Pronterface git
Read MoreVirtualBox fails on startup
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
Read MorePort forwarding using 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
Read MoreReset Unity Top Menu Bar Widget Panel
Sometimes, widget disappears from the Top Menu Bar Widget Panel of Unity. The Widget Panel can be reset using the following command: killall unity-panel-service
Read MoreMake Linux use the hardware clock set to local time
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.
Read MoreMove and secure the MySQL data directory
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
Read MoreFix “The Update Information Is Outdated”
Sometimes, the message “The Update Information Is Outdated” is displayed when you click on a red warning red icon in the status bar.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
Read MoreChange 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
Read MoreMake an Apache2 SSL server more secure
These easy steps will improve significantly the security of your Apache2 SSL server. Edit your /etc/apache2/mods-enabled/ssl.conf file and replace the SSLProtocol, SSLCipherSuite and SSLHonorCipherOrder parameters with the following values. SSLCipherSuite
Read MoreHow 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
Read MoreHow 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
Read MoreInstalling 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
Read MorephpMyAdmin 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
Read MoreIssues 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
Read MoreHow 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
Read Morepreinst: 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 …
Read MoreHow 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
Read MoreHow to display the version of Ubuntu you are running
From a terminal window, type in: lsb_release -a
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