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The Proxmox distribution specializes in virtualization, letting you deploy and manage virtual servers with OpenVZ and KVM at the same time.

Managing patches, service packs and updates in a heterogeneous environment is one of the leading causes of sleep deprivation among system administrators. The big question is, “How do you manage patches in a complex environment?”

Computers age quickly and sometimes are unable to keep pace with rejuvenated software made more complex with every release. We examine the total cost of replacing compared with upgrading your machines.

MariaDB is a cousin of MySQL – but not an identical twin.

Any implementation of the standards-based IPsec is supposed to work with any other implementation – but sometimes you need a little extra effort. This article tests some IPsec implementations to see how well they fit.

Sometimes data that’s five minutes old just isn’t good enough. An abundance of network monitoring tools for SNMP makes a sys admin’s job easier by collecting and displaying a superabundance of constantly changing data.

Setting up a real-world HPC cluster with Kickstart, SSH, Son of Grid Engine, and other free tools.