VMWare has issued a latest security advisory VMSA-2016-0013, which addresses two critical vulnerabilities of VMWare products – CVE-2016-5335 and CVE-2016-5336.
These are severe vulnerabilities that affect VMware Identity Manager and vRealize Automation software. (more…)
As per recent statistics, websites adopting HTTP/2 protocol are rapidly increasing and around 68% of HTTPS traffic is now attributed to HTTP/2.
HTTP/2 uses techniques to minimize the number of connections and proactively serve page resources to improve site speed and performance.
Containers are taking over the world. From VPSs to application hosting, more and more companies now use container technologies such as Docker, LXC and OpenVZ. The latest entrant to this list is rkt, pronounced as rocket.
Setting up a server can be time consuming. It involves installing an operating system, setting up networking, configuring various services and securing can take up to 2 hours per server. But what if you can deploy servers in a few mins? That’s what you can do with the open source tool called “MAAS”. (more…)
$700 for a 64 GB iPhone 6s? Seemed too good to be true, but that’s what the mail in my inbox said. It didn’t look spammy, so, I clicked on the link, and went to the gadget website. Everything looked legitimate with good user reviews. Great! So, I clicked “buy”, and… the website just went blank. It refused to load any more. I went back a page, but the site was still down.
When Netflix faced an outage in 2011, they had to offer a 3% credit to their customers. The outage was due to a resource crunch in the Amazon cloud they were hosted in. It’s tough for a business to survive if such outages happen frequently.
A cloud hosting provider achieves economies of scale by sharing resources between multiple tenants in the cloud. These resources include computing, storage and network devices. But at times, the cloud provider may oversell the resources to achieve high-density or a single tenant can abuse the server resources. This can affect the performance of the cloud system. (more…)
Surveys indicate that 70% of online businesses adopt server virtualization solutions to reduce their costs . But many times, the virtualization software costs outweigh this cost-benefit. That is where open source server virtualization technologies make a difference.
Choosing the right virtualization technology includes review of factors such as cost, features, security and performance. Recently we were contacted by a hosting provider who wanted to sell cheap VPS plans to SMBs. In this post we’ll discuss our design considerations to implement a server virtualization solution that was affordable, feature-rich, easily scalable and secure. (more…)
It was Xmas time! Every website was flooding with offers and deals. I felt this was the best time to buy a tablet for myself. But many of these online stores had shipping times of 2 or more days. That’s when I came across Amazon website, which highlighted a ‘Same Day Delivery!’ offer. I didn’t think for a moment before placing my order. Fast product delivery is what drove me to Amazon for my purchase.
Recently, we setup an oVirt system for a cloud hosting provider. Much of the installation went through like a breeze, but we did face a few road blocks which were not covered in the oVirt docs or community.
One such error is “Failed to attach Storage Domain  to Data Center “. In the community forums we saw many other users facing the same issue. So, to all oVirt users out there, here’s how we got this error and resolved it. (more…)
In October, Amazon unveiled its new service called Prime Now. With this service, you get your orders delivered within 1 hour. So, if you are running out of wine for your new year celebration, take out your phone, place an order in Amazon, and your stocks get replenished within 1 hour – How’s that for instant gratification? (more…)