Operations | Monitoring | ITSM | DevOps | Cloud

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

How to aggregate your Metrics using MetricFire

This article covers such a popular topic as using aggregation rules for metrics. We will learn why it is important to use aggregations and what tools exist for working with them. Also, we will explore all the benefits of using MetricFire's Hosted Graphite solution to store, process, analyze and monitor your metrics.

Top 12 Kubernetes Risks

What’s putting your K8s workloads at risk? You probably didn’t immediately think of memory and CPU resources—yet, these pose significant threats to cost and performance in your public cloud Kubernetes and OpenShift deployments. Learn about the top 12 K8s risks and how you can visualize the spread of risk in your containers deployment. You'll also hear a methodology for drilling down to individual misconfigurations and resolving them.

Shifting Left for DevSecOps Success

Not long ago, developers built applications with little awareness about security and compliance. Checking for vulnerabilities, misconfigurations and policy violations wasn’t their job. After creating a fully-functional application, they’d throw it over the proverbial fence, and a security team would evaluate it at some point – or maybe never. Those days are gone – due to three main shifts.

CentOS 8 is end-of-life: Now what?

There were many reasons people came to use CentOS as an alternative Linux platform to Red Hat Enterprise Linux (RHEL). CentOS was originally built as a downstream release of RHEL, which was free to use without support. CentOS became the de facto standard for many organizations that did not want to use RHEL for production workload, since it’s basically the same thing, just rebranded.

What's the Best PUE Ratio for Data Centers?

Power Usage Effectiveness (PUE) is a ratio of the total amount of power used by a data center to the power delivered to IT equipment. The PUE metric was developed by The Green Grid to measure the overall energy efficiency of data centers, and it has been one of the most popular data center KPIs since its introduction in 2007.

A Conversation With Aaron Bertrand

Back in the early days of Microsoft SQL Server, database administrators had few resources to draw upon and learn from. In the ’90s, we had SQL Server Professional, edited by Karen Watterson. We had CompuServe forums for SQL Server and Sybase. We had Microsoft documentation, which meant three printed books with no books online.

DirtyPipe (CVE-2022-0847) - the new DirtyCoW?

A few days ago, security researcher Max Kellermann published a vulnerability named DirtyPipe which was designated as CVE-2022-0847. This vulnerability affects the Linux kernel and if exploited, can allow a local attacker to gain root privileges. The vulnerability gained extensive media follow-up, since it affects all Linux-based systems with a 5.8 or later kernel, without any particular exploitation prerequisites.