Category: Network Administration
Open Source VPN solution for any OS/Task
As IT professionals, there are times where we need to setup reliable VPN connections without any hassle. Recently I came across an issue where we had to carry out a cloud to cloud data center migration. The limitation was we had no option to use configure VPN connection between the cloud service providers. Almost all…
Finding the Internet Submarine Cable Map
We all know that Internet is connected using the fiber optic cables. Those cables are layered under the sea. As IT professionals we are required to know the best Routes when it comes to international/geographical connectivity. For that we need to know the physical backbone connectivity. Below two websites provide the Submarine Cable Map in…
Data Center Gas Fire Suppression System Comparison
So, you have to choose a gas fire suppression system to protect against fire destroying valuable assets such as Computer Equipment, Document Vaults or Telecommunications / Switch Gear. You have a choice between Chemical Fire Suppression Systems such as Novec 1230 or FM200 and Inert Fire Suppression Systems such as Inergen. FM200 Fire Suppression Firstly,…
HP MSA 2040 SAN Storage – Connecting to the Network
You can set network port IP addresses manually using the command-line interface port and cable. If you have not done so already, you need to enable your system for using the command-line interface port. Network ports on controller module A and controller module B are configured with the following factory-default IP settings: Management Port IP…
All about DATA backups & rotation
DATA backup is to make copies of particular data in order to use those copies for restoring the information if a failure occurs (a data loss event due to deletion, corruption, theft, viruses etc.). there are four common backup types implemented and generally used in most of these programs: full backup, differential backup, incremental backup…
What is RTO, RPO, WRT, MTD ?
When it comes to Disaster Recovery & High Availability Techniques, these Acronyms are a must. So will discuss a bit in further. 1. Business as usual At this stage all systems are running production and working correctly. 2. Disaster occurs On a given point in time, disaster occurs and systems needs to be recovered. At…
Free Web Load Balance Solution
When multiple web servers are present in a server group, the HTTP traffic needs to be evenly distributed among the servers. In the process, these servers must appear as one web server to the web client, for example an internet browser. The load balancing mechanism used for spreading HTTP requests is known as IP Spraying….