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News for system administrators around the world.

Up To Date  

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Fortran development is still progressing, with a new version scheduled for release in 2018. We look at Fortran's evolution into a modern language for HPC.

Fortress in the Clouds  

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Any OpenStack installation that hosts services and VMs for several customers poses a challenge for the security-conscious admin. Hardening the overall system can turn the porous walls into a fortress – but you'll need more than a little mortar.

Welcome  

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I'm fascinated by the stories of disasters and near disasters related to me by my IT peers, especially those involving backups – or the lack of backups, as is so often the case.

Do It Yourself  

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Oracle recently introduced Group Replication as a trouble-free high-availability solution for the ubiquitous MySQL.

Shippable Data  

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If you spend very much of your time pushing containerized services from server to server, you might be asking yourself: Why not databases, as well? We describe the status quo for RDBMS containers.

Young Heroes  

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In the era of containers and clouds, the importance of the operating system is dwindling. Practically invulnerable lean operating systems that only handle elementary tasks are just what the doctor ordered.

Data Crush  

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If you are an intensive, or even a typical, computer user, you store an amazing amount of data on your personal computers, servers, and HPC systems that you rarely touch. SquashFS is an underestimated filesystem that can address that needed, but little used, data.

Polished  

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New and updated features in Red Hat Virtualization (RHV) 4, along with seamless provisioning of services between traditional and cloud workloads, could help RHV make up ground on VMware and Hyper-V.

Operation Troubles  

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The third article in the OpenStack series deals with the question of how admins run OpenStack in a data center, what they need to consider in terms of planning, and what problems they are likely to face.

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