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Two Linux and Unix tricks for the arsenal

For Brad Casey, the usefulness of Linux and Unix commands is in the eye of the beholder, but here are a couple hidden gems admins might not know.
single point of failure (SPOF)

A single point of failure (SPOF) is a potential risk posed by a flaw in the design, implementation or configuration of a circuit or system in which one fault or malfunction causes an entire system ...
Oracle not alone on poor heterogeneous stack support

Oracle says it won’t support multivendor stacks unless the problem originates with Oracle, but Microsoft and IBM don’t cover themselves in glory either.
Oracle support complaints overshadow Solaris milestone

Sparc 2.1’s live migration feature earns plaudits but may not be enough to placate weary Sun shops.

Unix servers

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HP-UX gets yet another update with HP-UX 11i v3

The most recent installment of HP-UX, HP-UX 11i v3, re-organizes its so-called operating environments to help users better tackle high availability and virtualization. Article | 15 Apr 2008
IBM makes splash with water-cooled Power 575 server

While data center managers have been reluctant to use liquid cooling, IBM's new Power 575 supercomputer, the Hydro Cluster, may prompt them to re-evaluate their hesitance. Article | 09 Apr 2008
Sun, Fujitsu pack 16 cores into 1U Sparc server

Sun and Fujitsu have launched smaller servers that still pack a punch with two eight-core Sparc processors, potentially offering better performance at lower cost. Article | 09 Apr 2008
Sun xVM Ops Center 1.0 goes live, but lacks VM provisioning

Got lots of Sun hardware? Sun xVM Ops Center may be just the systems management tool you need. But non-Sun shops needn't bother yet. Article | 19 Feb 2008
IBM virtualizes Linux on new System p Power6 servers

The Lx86 feature of IBM's new System p 520 and 550 servers enables IT shops to consolidate Linux workloads without having to recompile. Article | 30 Jan 2008
Unix server vendors slow to adopt PCI Express

Adoption of PCI Express (PCIe) is ubiquitous in the x86 server market, but high-end Unix servers still rely on PCI-X as their system bus. Article | 08 Jan 2008
Sun signs Dell as Solaris reseller and launches xVM

Sun announced that Dell will resell and support Solaris on its x86 servers. It also launched its xVM virtualization platform at Oracle's OpenWorld conference. Article | 15 Nov 2007
IBM AIX 6, Power6 blade due out this month

For Unix-oriented shops, Big Blue has dangled an appealing carrot: new blade servers based on the Power6 processor running the latest and greatest AIX 6 operating system. Article | 08 Nov 2007
HP-UX nPars gets more flexible, but is it enough?

A recent HP-UX update allows users to dynamically add or subtract CPU, memory and I/O resources to nPar hardware partitions, but the technology still has its shortcomings. Article | 26 Oct 2007
Sun Microsystems' Niagara 2 servers hit shelves

Sun's latest UltraSparc T2 boxes include two rack servers and one blade, which can share a chassis with x86 models. Article | 09 Oct 2007

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