General

If you're checking for the availability of a domain on the client side of WHMCS and encounter the following error: Domains must begin with a letter or number If you…

When deleting virsh snapshots using snapshot-delete you might encounter the following error: error: unsupported configuration: deletion of 1 external disk snapshots not supported yet To successfully delete the snapshot you…

If you receive either of the following errors when creating a WHMCS package for a client: Sorry, that username is reserved or is a reserved username on this system Then…

Should you want to remove .html from a URL you can paste the following in your .htaccess file in the root www/public_html directory: RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteCond %{HTTP_HOST}…

When you're accepting an order for a domain or trying to send it to the registrar you might encounter this error: Call to a member function getResponseFormat() on null Error…

Say you have a little CLI tool, but you want to be able to prompt a user for additional data after the script has started, rather than passing it in…

To change the username in Ubuntu it is strongly advised that you are not logged in with the username you're trying to change. As such we created temporary user and…

In Ubuntu 16.04 you might receive the following error when creating an encrypted volume: error creating luks device error spawning command-line cryptsetup luksformat To resolve this issue, you simply need…

Bridged networking is very handy in virtual environments as it allows guests to receive IPs in the same address range as the host. I.e if the host as an IP…

The following template can be used to install an Ubuntu 16.04 server with 4GB RAM, 2 virtual CPUs, 60GB hard drive, and bridged network interface. sudo virt-install –name YOUR-VM-NAME –ram…