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The latest News and Information on DevOps, CI/CD, Automation and related technologies.

Let's talk engineering; building software by building community

For the past three years, I have been running and facilitating a community where folks from all levels and departments at CircleCI can come together to discuss diverse topics. We call it “Let’s Talk Engineering.” Some of the topics we’ve covered have been technical in nature, while others have focused more on leadership: how different teams operate, personal growth, and writing to name a few. Let’s Talk Engineering celebrates interdisciplinarity and multidisciplinarity.

How To Calculate Margin Analysis For SaaS (And Increase Profitability)

Profitability in SaaS can be tricky. A company's net earnings are based on its invested capital, assets, and equity. But its profit margin shows how much money it extracts from its total sales or revenue — its ability to turn revenue into profit. Performing a thorough margin analysis or profit margin analysis is a reliable way to assess the company’s financial health.

Open source cloud platform: meet OpenStack

Are you looking for an open source cloud platform and you don’t know where to start? Are you getting lost in all the independent rankings and cloud platform comparison pages? Try OpenStack and get your open source cloud platform up and running today. OpenStack works at any scale: from a single workstation to thousands of nodes and installs in minutes. Sounds impossible? Give it a try or continue reading to explore where is it coming from.

Linux Server Management in 2022

Linux server management is an integration of cybersecurity and business objectives. Linux server management at scale is a vastly different activity from interacting with a terminal on one machine. The best Linux server management tools universally offer a server management GUI within a web browser. Implementation details matter, especially in a pay-for-compute world. Sysadmin tools that don’t have a lightweight footprint increase overall compute costs.

Platform.sh consolidates its management team with appointment of Ori Pekelman and Fabien Potencier as CSO and CPO

A major player in European cloud, created in 2015 with presence in Europe and the United States, Platform.sh is entering a new growth stage. With a team of more than 300 employees and 150 more to be added in 2022, Platform.sh is developing and consolidating its management team. Ori Pekelman, co-founder and previously Chief Product Officer (CPO), passes the torch to Fabien Potencier and becomes Chief Strategy Officer (CSO). In 2021, Platform.sh acquired Fabien Potencier's company Blackfire.io to consolidate its position as a leading platform for the management of web app fleets-making this move a logical next step.

The Top 7 Open Source Tools for Securing Your Kubernetes Cluster

This article explores how to secure production Kubernetes clusters with the help of open source tools. As a prerequisite, you’ll need to have basic beginner-level knowledge of Docker and Kubernetes. In a nutshell, Kubernetes is a container orchestration tool and Docker is a containerization platform. Some of the most famous Kubernetes clusters managed by cloud providers include AWS EKS, Azure AKS, and Google CKE.

What Is a System Administrator? A Complete Guide to SysAdmin Roles and Responsibilities

System Administrators (SysAdmins) often represent the core of IT organizations. SysAdmins manage the organization's computing infrastructure, encompassing servers, virtualization, networking, and storage. For many years, the term System Administrator, or SysAdmin, was typically associated with Linux or UNIX systems.

The Impact of CVE-2022-0185 Linux Kernel Vulnerability on Popular Kubernetes Engines

Last week, a critical vulnerability identified as CVE-2022-0185 was disclosed, affecting Linux kernel versions 5.1 to 5.16.1. The security vulnerability is an integer underflow in the Filesystem Context module that allows a local attacker to run arbitrary code in the context of the kernel, thus leading to privilege escalation, container environment escape, or denial of service.