Articles from ADMIN Issue 11
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.
In the old Hyper-V hypervisor from Microsoft, many features for professional use were missing. The new version 3.0 has been significantly improved and is slowly catching up to VMware.
Version 3.1 of the oVirt management platform for virtual infrastructures has recently become available. On Fedora 17, the new release is easy to install and deploy.
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.
If you've ever had to test the security of your servers, you've almost certainly come across the ever-flexible Nmap – used by sys admins to help protect their servers and diagnose problems.
Microsoft operating systems are not necessarily regarded as the epitome of computer security, but the free Security Compliance Manager helps enforce some basic hardening measures.