HPC has a unique set of requirements that might not fit into standard clouds. However, plenty of commercial options, including cloud-like services, provide the advantages of real HPC without the capital expense of buying hardware.
If the Linux server crashes, not only do you need to restore operations, you also need to analyze the problem. What happened? Where is the root of the error? What preventive measures are necessary? A kernel crash dump at the time of the crash can be a big help.
Central network storage with clients for any platform are convenient, although the popular designation "cloud" is debatable. Yet, what is the best implementation? We compare three storage cloud solutions.
Admins of small businesses who want to cover all their infrastructure requirements with a single server are the target group of small-business servers. In this article, we introduce three Linux distributions that meet this requirement.
Just as subjects must obey their king, all the computers and servers in an organization should follow the administrator's commands. With Rex, you don't even need to leave your admin throne to organize this.
Many admins are responsible for heterogeneous IT environments. Those who want use the popular Bash and GNU tools under Windows can either install the Cygwin compatibility layer or try Gow, the more slender alternative.
SUSE has officially supported Btrfs in Service Pack 2 of its Enterprise Server 11 since February 2012. Oracle followed soon after with Btrfs support in its own Linux. We explore the possibilities of this young filesystem in detail.
A lack of information about your infrastructure can result in faulty system configuration and other difficulties. Automatic discovery of all hosts and services would seem to be the best solution – but can it also prove itself in practice?
The programming language Go promises long-term compatibility with the recently released Version 1. Designed for system programming, it does without trendy features and is therefore interesting for anyone allergic to hype.
Although SELinux is designed as a shield rather than a weapon, it still makes many admins wince. This is hard to understand, however, because operation is now uncomplicated, and SE adds enormous value in terms of the security of the entire system.