Recently, we had to setup Varnish load balancer for a website having 1 Million visitors per day. Provisioning load balancer based on this scale is a challenging task. We need to do several benchmarking tests in order to reach our optimum solution. Let us see how we did the load balancer setup for supporting [...]
VMware is a global leader in cloud infrastructure and digital workspace technology that was started in 1998 according to Gartner Quadrant 2018.vSphere 6.7 is the latest release by VMware and continues to evolve each day by introducing several capabilities to enhance connection and secure heterogeneous environments. In this article, we cover what you need [...]
Customer Problem The client was facing frequent downtime and heavy resource usages on his website hosted in Amazon AWS instance. So he needs to ensure High Availability ( HA ) for his website. The client's requirement was to setup a loadbalancer to ensure high avaliablity and also he needed caching for faster content [...]
PowerDNS is a free and open source DNS server with great features. The GUI is very handy and easy to manage. It has commands to manipulate the DNS records and zones. It supports all Linux platforms. Let's see how to install PowerDNS authoritative server with DNSSEC. You need a fresh Linux server. Recommended configuration - [...]
"Will automation replace today’s system administrators? Well, it is the skilful use of these tools that will foster their credibility." Introduction Virtualization is meant to ease the life of a system administrator, physical and hardware infrastructure that created a lot of bottlenecks have been eliminated over the years. However, [...]
VMware Cloud on AWS is a unified Software Define Data Centre (SDDC) platform that integrates vSAN, VMware vSphere, and NSX virtualization technologies. It is optimized to run on a very flexible, dedicated, bare-metal Amazon Web Services infrastructure and offers a variety of AWS services including functionalities, elasticity, and security. The vSphere allows administrators to operate [...]
VMware NSX is as a product of the Software Defined Data Centre (SDDC) which provides a network virtualization platform that uses micro-segmentation to define fine-grained security in the data center. Virtualization with NSX duplicates Layer 2 to Layer 7 of the Networking model which allows for complex and multiple tier network topologies setups in [...]
vSphere HA is a recommended low-cost ESX’s feature that monitors virtual machines in a resource pool and detects downtime. In cases of downtimes, it powers on the virtual machines using resources on another host within the same cluster. The powering on is possible since the virtual machine disk (VMDK) are all kept within a [...]
Server management isn’t what it once used to be. Companies have their entire business run in digital sphere these days. Meaning, their needs and requirements are much higher. To that, the increasing instances of cyber attacks have also brought about major concerns on the security end. The infrastructure now needs to be more robust [...]
Did you know if Facebook went down, it would lose $24,420 per minute? According to a 2016 IHS report, information and communication technology downtime is costing American organizations more than $700 billion every year. These numbers and countless instances very well edify the real significance of not only leveraging the most advanced server but [...]
