検索結果

This blog posting is the fourth in a series that helps you prepare for the new version 3.0 of the LPIC-3 Mixed Environments exam. In the previous post we set up an entire infrastructure, containing of two Active Directory domain controllers, a file server and a Windows client. This week we [...]

Everything in the 2021 Open Anniversary celebration comes together in the Open Web, the subject of this month's article. In fact, I have taken the words Open Web as almost a prompt for free association. While everyone appreciates the wealth of free information on the Web, readers of this [...]

Digital storage is simultaneously the most fragile medium ever invented and the most robust. A change in the magnetization of a few microscopic bits on a hard disk can wipe out content forever. Furthermore, anyone who causes mischief on their web site or social media can expunge the embarrassing [...]

Passion raises one’s interest in a specific topic, making you want to dive into its deepest tissues. Yet, in some cases, it is necessary to combine that passion with a fair amount of will and a coherent methodology, to place a specific skill set on solid foundations. If IT/ICT is [...]

Hi from Tola! I am an enthusiast of Linux and FOSS, which I use constantly in my work as system architect for server infrastructure. I am a System Engineer with six years of experience. My responsibilities encompass three of the most popular public cloud offerings: AWS, Microsoft Azure, and [...]

Join Linux Professional Institute Latin America and SILCOM COLOMBIA SAS on May 7, 2020 at 10:00AM (GTM-5) to pentest APIs and Linux microservices. Juan Oliva from SILCOM COLOMBIA SAS, will walk us through the various methods for assessing the safety of APIs, Containers and Microservices based on architectures like JSON, Docker, Mongo, [...]

Besides LPIC-1, the Linux Essential certificate received an update in October 2018, too. It is a minor update which brings the certificate from version 1.5 to version 1.6 and only includes a few changes. In today’s post we take a look at what’s new. The exam objective 1.1 covers knowledge about the [...]

While we have talked a lot about application deployment, we still need to cover how to keep these applications up and running. The DevOps Tools Engineer exam covers IT Operations and Monitoring in objective 705.1. The core technology of this objective is the monitoring tool Prometheus. Its documentaion explains how [...]

In addition to Ansible, which is covered in great detail in the DevOps Tools Engineer exam, several other configuration management tools exist. Objective 704.2 expects you to know the architecture and basic features of Chef and Puppet. The Chef documentation contains two introductory tutorials; Learn the basics guides you through [...]

While Docker and Kubernetes make it easy to start and manage containers, there must still be a base system hosting the containers. These systems form the infrastructure on which containers run and are covered by objective 702.3 of the DevOps Tools Engineer exam. Docker provides Docker Machine which supports setting up [...]