Linux Upgrades? Red Hat Enterprise Linux 7 Simplifies the Task

The latest release of Red Hat Enterprise Linux (RHEL) 7 offers a range of new features, from Linux container virtualization to Logical Volume Manager (LVM) snapshots. For organizations and end users committed to enterprise Linux, one appealing change is the in-place upgrade.

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Linux Upgrades? Red Hat Enterprise Linux 7 Simplifies the Task

The latest release of Red Hat Enterprise Linux (RHEL) 7 offers a range of new features, from Linux container virtualization to Logical Volume Manager (LVM) snapshots. For organizations and end users committed to enterprise Linux, one appealing change is the in-place upgrade.

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KVM Security in Multi-Tenant Cloud Environments

It’s useful to note that security in an open source KVM environment occurs on three levels: the kernel layer within the Linux OS, network layer, and at the hardware level.

Since its kernel-based protection mechanisms were created early on in Linux development, KVM incorporates key SELinux controls to provide isolation and confinement for processes. This means data and applications are fully protected, even in multi-tenant environments where multiple clients are served by one software instance.

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To RHCE and Beyond…

Over the past decade or so, the little Linux company has grown up into a Linux powerhouse: Red Hat! And as the company has matured, it has branched out its technology into multiple domains. Under the Red Hat technology umbrella you now have Enterprise Virtualization, OpenShift and OpenStack (Cloud), Storage Server (GlusterFS), and even JBoss application development. Of course, this means more opportunities for Red Hat professionals to broaden their skills portfolio beyond the RHCE. While the RHCE still may be the most respected and well-known Linux certification on the market, its popularity means that you may want to further differentiate yourself as a technology professional.

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Open Source KVM vs. Proprietary Approach to Virtualization

Implementing virtualization in the data center represents the first step toward leveraging cloud-based computing and reducing costs. For example, in the case of Colosseum Online, the company needed to increase capacity to meet intense provisioning requirements, an expanding customer base, and ongoing management needs. Instead of operating as a conventional ISP with a standard server-based data center, the company wanted to offer co-location, scalable cloud capabilities, and network services.

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