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By    -   Head of Technical Projects
How To: Configure Multiple VLAN Interfaces In SolusVM (KVM)

There may be times when you wish to give VM’s on one of your SolusVM nodes access to IP resources that are segmented into discrete VLAN’s at network level. If this is the case, you need to create network bridge interfaces on the node, and attach VLAN interfaces to them. This guide shows how I accomplished this. Read More

By    -   Head of Technical Projects
How To: Install & Configure Oracle Golden Gate 12.3 for Live Replication between Oracle Linux 7 (12c Database) and Windows Server 2016 (Microsoft SQL Server 2014) – Full SCHEMA

I will be showing how to install and configure Oracle Fusion Middleware Golden Gate 12.3 for the purposes of data replication from a 12c instance on Oracle Linux 7, into an MSSQL Server 2014 Std instance on Windows Server 2016 of a full Oracle SCHEMA. Read More

By    -   Head of Technical Projects
How-To: Rate Limit Outbound Mail in Postfix using PostFWD on CentOS 6.x

In this guide, I show you how to install Postfix and PostFWD (Postfix Firewall Daemon), configure rate limiting for a specific recipient domain, and… Read More

By    -   Head of Technical Projects
How-To: Upgrade PostgreSQL From 9.3 to 9.4 (In-Place)

To make use of the JSONB features implemented in 9.4, it may be required that you upgrade your existing PgSQL 9.3 cluster to 9.4+. I cover the basics on how to perform an in-place upgrade… Read More

By    -   Head of Technical Projects
How To Setup Binary Replication Between 2 PostgreSQL 9.4 Hosts (Hot-Standby)

Utilising a master/slave (hot-standby) setup to provide a resilience layer at database level can be easy. The following assumes you have 2 PgSQL hosts at and, both running Ubuntu 14.04 LTS and PostgreSQL 9.4 (9.4.5)… Read More

By    -   CEO, Technical Director
Potree Converter Install

Recently a client came to me with a custom dedicated server requirement to run a piece of software called Potree (www.potree.org) for rending 3D point clouds on the web for users to access and view data. This is a great piece of software however in trying to compile on CentOS Linux I came across the below error… Read More

By    -   Head of Technical Projects
Troubleshooting Xen Virtual Machine Network Misuse and Over-Use on the Hyper-Visor

If you or your company provide virtual servers within a Xen Virtualisation Environment, then it’s probably safe to say that you’ve run into Network overuse or misuse in the past, on one or more of your Hyper-Visors. Troubleshooting this and finding the VM responsible can Read More

By    -   Head of Technical Projects
Troubleshooting Xen Virtual Machine Disk IO Over-Utilisation on the Hyper-Visor

In the world of hosted virtualisation environments, disk misuse (or overuse) will be an all too common issue that you can face day to day. Often you may be left guessing as to which of the many VM’s on a Hypervisor is responsible. We’ve compiled Read More



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