Articles
Avoiding KVM configuration errors
Virtualization solutions isolate their VM systems far more effectively than a container host isolates its guests. However, implementation weaknesses in the hypervisor and configuration errors can lead to residual risk, as we show, using KVM as an example.
Managing Vim plugins
We look at some tools that can help take the pain out of managing plugins.
Software-defined storage with LizardFS
Standard hardware plus LizardFS equals a resilient, flexible, and configurable POSIX-compliant storage pool.
Harden your OpenStack configuration
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.
MySQL is gearing up with its own high-availability Group Replication solution
Oracle recently introduced Group Replication as a trouble-free high-availability solution for the ubiquitous MySQL.
Relational databases as containers
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.
Professional virtualization with RHV4
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.
Time-series-based monitoring with Prometheus
As Prometheus gave fire to mankind, the distributed monitoring software with the same name illuminates the admin's mind in native cloud environments, offering metrics for monitored systems and applications.
The top three SSH tricks
Add extra security to your SSH service, securely copy files to and from remote computers, and configure passwordless SSH for automation scripting.
Scalable network infrastructure in Layer 3 with BGP
Large environments such as clouds pose demands on the network, some of which cannot be met with Layer 2 solutions. The Border Gateway Protocol jumps into the breach in Layer 3 and ensures seamlessly scalable networks.
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