This tutorial details how to upgrade a Joomla 2.5-site to Joomla 3.

Joomla Upgrade Preparation:

1) Backup your site: preferrably with Akeeba. Download the backup file onto your local computer. Dont forget to backup your database as well.

Akeeba was not installed on the site I was working on, soContinue Reading:


Here is the method I found most effective in setting my computer time permanently.

As root, or via sudo:

command: sudo dpkg-reconfigure tzdata

Choose your geographic area, and click ok;

Choose your timezone, and click ok;

Your current time:

restart CRON:
$ service cron stop && service cron start


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In this tutorial, I will detail how to setup an Ubuntu server as a NAT router.

The server has 2-network interfaces: enp0s3 (WAN) and enp0s8(LAN). NAT is enabled on the WAN-NIC. A DHCP-Server is installed and it leases IP-addresses to clients over server's enp0s8 interface.


root@ubuntu-DHC-SVR-RTR:/home/tokunbo# lsb_release -a
NoContinue Reading:

bind9 debian

The following is a tutorial on how to install and configure a DNS server:

root@ubuntu-DNSSVR:/home/tokunbo# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
Release: 16.04
Codename: xenial

In my setup, my server-IP is the same as my DNS-server IP:

auto enp0s3
iface enp0s3 inet static
gatewayContinue Reading:


Virtualbox's "host only adapter" setting is useful if you want to create a network containing your host OS and several virtual machines.

The "No Host only adapter selected error" appears if no host-only adapter has been configured.

To fix this issue, shut down your running guest OS.

Goto Virtualbox's mainContinue Reading: