Articles

New Harmonies  

Convert Linux shell commands into PowerShell cmdlets and modules and run them in a PowerShell environment.

At the Controls  

YAML is often the language of choice when configuring complex environments. We help you get started with YAML and the YAML parser yq.

Tried and Trusted  

Automation in the cloud does not require expensive new acquisitions when tools such as Ansible, Salt, Puppet, or Chef are already in use locally and can contribute to the automatic management and orchestration of cloud workloads.

Growing Pains  

When Kubernetes needs to scale applications, it searches for free nodes that meet a container's CPU and main memory requirements; however, when the existing hardware is at full capacity, the Kubernetes Cluster Federation project (KubeFed) takes the pain out of adding clusters.

All Inclusive  

Specialized Linux distributions are available for small and midsize businesses that promise economical and easy management of server applications and entire IT infrastructures. We looked at four of the best known candidates: ClearOS, NethServer, Zentyal, and Univention Corporate Server.

Neat Packages  

Kaboxer packages applications that are otherwise missing from distribution package sources.

Helmsman  

A Helm chart is a template of several parts that defines, deploys, and upgrades Kubernetes apps and can be considered the standard package manager in the Kubernetes world.

The Magic Gate  

Cisco's Identity Services Engine offers a scalable approach to network access control for a variety of devices.

Plug and Go  

Automation of network devices can be accomplished in a number of ways: with the official approaches recommended by the manufacturers; by Cumulus Linux, an open network operating system; and with the Ansible automation platform, which can communicate with devices from any vendor.

Cuckoo's Egg  

Wireshark and a combination of tools comprehensively analyze your security architecture.