Tagg: Docker

Many organizations use cloud services. Many deploy network services as containers. And now, many are combining the two. Let’s look at the advantages of running containers in the cloud. Isn’t This Virtualization on Top of Virtualization? Yes! It has to be. There is no way to do what is defined as cloud computing without virtualization! […]

From time to time, I need to access the web server belonging to a company I do some work for. It’s only used by their employees plus consultants like me, so it’s pretty basic. Just enough to get the job done. The main page carries this warning: This web site will be down for maintenance […]

Virtualization usually first enters an organization for economic reasons. Either the cost for buying physical servers, for power and cooling needs, or else for paying the staff needed to maintain full operating systems on independent hardware platforms. Cost is a compelling reason, but there’s more. Also consider your ability to compartmentalize processes to a degree […]

Last week, I gave you an overview of the spectrum of Linux virtualization technologies – Part 1: Linux Virtualization, and explained the simplest and highest-performance end. The problem with doing everything with chroot is that it takes a lot of work to set things up and there is only limited separation between the virtualized environment […]

It seems that a lot of people are talking about Docker at the moment. Interestingly though, it seems that relatively few people understand what Docker actually is and when it should be used. As I’ve been working with it recently, I thought I’d share a few of my incites to help lift the veil and […]