The Helpdesk For I.T. Administrators
The dig DNS lookup utility is a handy tool for performing DNS queries. The dig utility is part of the bind utilities package in CentOS. The following command can be used to install dig. Install dig (the bind-utils package): # yum install bind-utils Note: Make sure you run the above command as a user with …
This howto guide outlines the steps to enable IP forwarding on Ubuntu 13.04. This is required if you want your system to act as a router. Check the current setting: $ sysctl net.ipv4.ip_forward This should output a 0 or a 1 depending on if it is already enabled or not. eg: the following shows where …
The commands in this article can be used to reset the admin password for the Elastix web interface. This requires that you can log into the server at the console, or via SSH. If you dont have the login details to log into the console, or ssh in, you will need to reset the root …
The sendmail smtp mail server is able to set up mailbox aliases which can be used to forward mail to specific users, or even other aliases. This can be done by simply editing a configuration file called ‘aliases’ that is generally located in /etc/mail/aliases. This guide will show you how to set up alises for …
On a standard desktop install of Ubuntu, you dont have the option for hibernating. This guide steps you through the process of enabling the hibernation option if your PC can support it. Test hibernation to make sure it will work on your PC: (Save any work before doing this test incase hibernation doesnt work and …
The ‘notify-send’ package can be used to send custom notification messages to the Ubuntu desktop. These messages will pop-up on the screen, and shouldn’t get in the way of what the user is currently doing. To send a custom notification: $ notifiy-send “This is a test” Sample pop-up notification window: This can be used …
You may have heard of a LAMP or a LEMP stack when referencing a web server configuration, and wondered what the differences are between the two. The difference is just in the web server software used. With a LAMP stack the web server used is Apache, whereas with a LEMP stack environment the web server …
The term “LEMP” stack is used to describe a specific web server environment consisting of a web server (Nginx), database server (MySQL), web programming language (PHP), all running on a Linux system. The LAMP acronym is made up from the first letter of each of those items (except Nginx, due to this being pronounced “Engine …
The term “LAMP” stack is used to describe a specific web server environment consisting of a web server (Apache), database server (MySQL), web programming language (PHP), all running on a Linux system. The LAMP acronym is made up from the first letter of each of those items: Linux Apache MySQL PHP
Since upgrading my Ubuntu desktop from 12.10 to 13.04, my workspaces disappeared. It turns out that Ubuntu 13.04 disables workspaces by default. Thankfully it can easily be enabled again. Follow the steps below to enable workspaces on Ubuntu 13.04.