VPS & Dedicated

What does one do with an outdated and costly data center? Axe it, of course. Yesterday, eBay bused a group of employees out to its Sacramento data center to finish the long process of migrating to a new facility. Most of the servers at this 8-year-old data center were sold …

If you rent a dedicated server, you may at some point or another consider upgrading the hardware. You might want to add a RAID hard drive configuration for redundancy, or perhaps you need more RAM or bandwidth. What you’ll quickly find, however, is that dedicated hosts charge hefty fees for …

OpenVZ is a free and open source virtualization solution for Linux. Here is an easy guide to installing OpenVZ on Redhat Enterprise Linux, CentOS, or Fedora. Note: It is recommended that you use an ext2 or ext3 file system if you want per-container disk quota. 1. Add the OpenVZ YUM …

In Linux umask, or user file-creation mode mask, determines the permissions of new files. In other words, whenever you make a new file or upload/transfer a file from your local machine or another server, umask sets the initial permissions of that file. In most Linux distributions, umask for all users …

As we have mentioned in previous posts, a virtual private server (VPS) is an isolated instance of a larger operating system running in an enclosed environment. In Linux it is normally in a chrooted environment, where the root directory / is not available to the server user, but that user …

Ever since Steve Jobs announced the iPad some time ago, the new product has received its fair share of hype and heat. A colocation company has taken things to a new level, however, with the launch of iPadcolo.net. The site advertises iPad colocation with 64 GB of storage in a …

It is very difficult to test a server’s real-world performance under stress. While you could hire a company or individual to bombard your server, the cost involved may not be worth the results. The open source application called curl-loader simulates load and application behavior of thousands of HTTP/HTTPS and FTP/FTPS …

Facebook’s new data center under construction in Prineville, Oregon, is as green as they get. Featuring eco-friendly evaporative cooling and re-use of server heat for offices during the winter, the facility meets the coveted LEED Gold standard for energy efficiency. Despite this, the facility has been on the receiving end …

Just how big is big? How about Intel? According to its website, the microprocessor giant has 100,000 servers in 97 data centers around the world. They hold 18 petabytes of data in all. In an effort to save resources and money, Intel is currently working on consolidating its data centers. …

In yesterday’s post, we learned how to find the discrepancies between two similar files using a command called diff. With it, we were able to compare them and identify the actual lines containing differences. Once you have identified the differences between the two, you have a couple of options. If …