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Issue 39: Container Security

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Issue #39 will be shipped to subscribers and available on newsstands starting approximately:

UK/Europe: June 26
North America: July 21
Australia: August 21

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In this issue:

Welcome: Of Earthworms and System Administrators

I'm fascinated by the stories of disasters and near disasters related to me by my IT peers, especially those involving backups – or the lack of backups, as is so often the case. (more)

On the DVD: ClearOS 7 Community Edition and Kali Linux

ClearOS provides a simple and easy-to-use platform for all layers of the IT environment. Offensive Security bills Kali Linux 2017.1 as their “most
advanced penetration testing distribution, ever”. (more)

Tech News: News for admins

News for system administrators around the world. (more)

ContainerCon: The view from DockerCon 2017

Docker unveiled some exciting new initiatives at their annual event, including a new program for containerizing legacy applications. (more)

Fortress in the Clouds: 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. (more)

The Crux with Leaks: Security issues when dealing with Docker images

Although developers appreciate Docker's ease of use and flexibility, many admins are worried about vulnerabilities. We look at various approaches to securing container images and the price to be paid. (more)

Active Separation: 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. (more)

Designer Store: Software-defined storage with LizardFS

Standard hardware plus LizardFS equals a resilient, flexible, and configurable POSIX-compliant storage pool. (more)

Switch Keeper: Understanding the Spanning Tree protocol family

Several versions of the venerable Spanning Tree protocol have appeared through the years. We'll help you sort through the acronyms and show you which version is right for your network. (more)

Launched: Configuration management and automation

As automation of IT landscapes continues, a plethora of new tools reach the market to help admins with this task. Rundeck offers a web-based GUI and job delegation. (more)

Plug and Play: Managing Vim plugins

We look at some tools that can help take the pain out of managing plugins. (more)

Up To Date: Modern Fortran for today and tomorrow

Fortran development is still progressing, with a new version scheduled for release in 2018. We look at Fortran's evolution into a modern language for HPC. (more)

Build, Build, Build: Deploying OpenStack in the cloud and the data center

Canonical's Juju, MAAS, and Autopilot deliver practical experience in setting up an OpenStack environment in Ubuntu. (more)

Motor for the Cloud: VMware vRealize Automation 7

We look at VMware's tool for managing and provisioning cloud infrastructures. (more)

Identity Transfer: Sync identities with Microsoft Identity Manager

Learn how Microsoft Identity Manager 2016 can help sync identities in the local AD as well as Azure AD and Office 365. (more)

Building Bridges: NetworkManager at the command line

A variety of approaches are available for customizing the network on modern Linux systems. Here, we focus on the NetworkManager tool. (more)

Do It Yourself: 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. (more)

Shippable Data: 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. (more)

Useful Tool: Working with objects in PowerShell

This workshop helps admins understand the object-oriented structure of PowerShell. (more)

Micro Net: Microsegmentation with VMware NSX and vRealize Automation

VMware's NSX for vSphere platform adds security to microsegmentation, allowing security components to analyze traffic within the hypervisor. (more)