The latest News and Information on Containers, Kubernetes, Docker and related technologies.
Getting started with PromQL can be challenging when you first arrive in the fascinating world of Prometheus. Since Prometheus stores data in a time-series data model, queries in a Prometheus server are radically different from good old SQL. Understanding how data is managed in Prometheus is key to learning how to write good, performant PromQL queries. This article will introduce you to the PromQL basics and provide a cheat sheet you can download to dig deeper into Prometheus and PromQL.
In this episode of ShipTalk, Jim Shilts, Developer Advocate at Shipa and the Founder and President of North American DevOps Group (NADOG), chats with Ravi Lachhman, Evangelist at Harness on the “Shifting Complexities in DevOps.” Jim has been working on solving engineering efficiency problems for over 20 years, working at firms such as Build Forge and Electric Cloud, pre-dating the inception of Hudson/Jenkins.
CVE-2020-13942 is a critical vulnerability that affects the Apache open source application Unomi, and allows a remote attacker to execute arbitrary code. In the versions prior to 1.5.1, Apache Unomi allowed remote attackers to send malicious requests with MVEL and OGNL expressions that could contain arbitrary code, resulting in Remote Code Execution (RCE) with the privileges of the Unomi application.
Each day, more and more companies consider opting for cloud-based solutions, and they almost always end up adopting them to some extent. While the increasing popularity of cloud services may be a significant factor in accelerating the adoption rate of cloud-based solutions, some individuals remain skeptical of migrating their applications to the cloud due to unfamiliar territory.
Learn how to prevent security issues and optimize containerized applications by applying a quick set of Dockerfile best practices in your image builds. If you are familiar with containerized applications and microservices, you might have realized that your services might be micro; but detecting vulnerabilities, investigating security issues, and reporting and fixing them after the deployment is making your management overhead macro.
Kubernetes can bring a wide collection of advantages to a development organization. Properly using Kubernetes can significantly improve productivity, empower you to better utilize your cloud spend, and improve application stability and reliability. On the flip side, if you are not properly leverag Kubernetes, your would-be benefits become drawbacks. As a developer, this can become incredibly frustrating when your focus is on delivering quality code fast.
