Articles

Lead Image © ktsdesign, 123RF.com

Lead Image © ktsdesign, 123RF.com

Software-defined wide area networks

A natural consequence of software-defined storage and software-defined data centers is the software-defined wide area network, or the Internet connections between locations and cloud services.
Lead Image © Raoul Fesquet, fotolia.com

Lead Image © Raoul Fesquet, fotolia.com

Grafana and time series databases

We look at database back ends for monitoring, alerting, and trending analysis in the Grafana visualization tool.
Lead Image © Claudia Paulussen, Fotolia.com

Lead Image © Claudia Paulussen, Fotolia.com

Take your pick from a variety of AWS databases

We look at the variety of databases available in Amazon Web Services – from relational, to NoSQL, to data warehouses for petabyte data volumes.
Lead Image © Putzen, 123RF.com

Lead Image © Putzen, 123RF.com

Cleaning up your Linux server

Even in the best environments, a little housekeeping is necessary.
Lead Image © cheskyw, 123RF.com

Lead Image © cheskyw, 123RF.com

OpenStack Trove for users, sys admins, and database admins

Trove brings DBaaS to OpenStack; however, the service needs meaningful configuration for optimum performance.
Lead Image © Galina Peshkova, 123RF.com

Lead Image © Galina Peshkova, 123RF.com

ZAP provides automated security tests in continuous integration pipelines

Despite the abundance of tools that test code and help improve the effectiveness of a continuous integration pipeline, automated security testing is much more difficult to get right than it might appear.
Lead Image © Chris Gendreau; Fotolia

Lead Image © Chris Gendreau; Fotolia

Nagios on a Rasp Pi 3 with NEMS

We show you how to install and use the NEMS distribution of Nagios network monitoring on a Raspberry Pi.
Lead Image © grafner, 123RF.com

Lead Image © grafner, 123RF.com

Manage logical volumes with GUI tools

Linux uses the Logical Volume Manager to manage large hard drives and mass storage clusters efficiently. We look at various graphical tools that help serve up logical volumes and volume groups.
Lead Image © erikdegraaf, 123RF.com

Lead Image © erikdegraaf, 123RF.com

Getting data from AWS S3 via Python scripts

Data on AWS S3 is not necessarily stuck there. If you want your data back, you can siphon it out all at once with a little Python pump.

Credential management with HashiCorp Vault

Admin teams can use secret sharing to centrally manage shared access to user accounts and services. HashiCorp Vault is one of the few tools that has proven effective when it comes to implementing this solution. Here's how to use this open source tool and keep important credentials safe.
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