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Tune Up

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We discuss the possible bottlenecks in Fibre Channel storage area networks and how to resolve them.

Castling

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Ceph distributed storage and Kubernetes container orchestration come together with Rook.

Seamless

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Extending your data center temporarily into the cloud during a customer rush might not be easy, but it can be done, thanks to Ansible's Playbooks and some AWS scripts.

In Profile

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Profiling your Python code – as a whole or by function – shows where you should spend time speeding up your programs.

High Definition

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We take a look at three benchmarking tool favorites: time, hyperfine, and bench.

Class Society

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Each Amazon storage class addresses a different usage profile; we examine the new classes to help you make the right choice.

Pass the Test

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Regular expressions are invaluable for checking user input, but a vulnerability could make them ripe for exploitation.

Number, Please

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We show you how to secure transparent IP address transitions through NAT firewalls and gateways for Voice over IP.

On the DVD

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OpenSUSE Leap is a community distribution that shares a common code base with SUSE Linux Enterprise (SLE) and coordinates with SLE releases (i.e., SLE is also in version 15).

Welcome

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Education is important, but is it important in technology-related fields? The widely held opinion is that education is not as important for techies.

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