Operations | Monitoring | ITSM | DevOps | Cloud

In a previous post, we explained the concept of configuration management and presented three of the most popular tools: Chef, Puppet, and Ansible. We also briefly explored the impact that containerization is having on configuration management, and how the two can be used in combination. This article takes a more in-depth look at this relationship by presenting different techniques for using Chef, Puppet, and Ansible to deploy and manage a Kubernetes cluster.

Enterprise users of Office 365 often need to configure a multi-function printer to use the platform’s SMTP email capabilities on their network. There are several ways of doing this, each with their own benefits and disadvantages. In this guide we’ll be looking at the steps required in setting up Office 365 network printing and email under various conditions.

Let’s start with the happy ending — after a long search, we managed to identify a Netty memory leak in one of our log listeners and were able to troubleshoot and fix the issue on time before the service crashed.

When you are using Rancher to manage your Kubernetes clusters, at some point you will encounter the terms Rancher, RKE, and custom cluster. If you are new to Rancher, it can be difficult to understand the difference between and purpose of each of these concepts. In this post, I will go over what each component is used for and how they are used together in parts of the system.

When we talk about cloud providers, we often forget that not all data is the same — even in the same application, while we might think of this data as from a “financial application” or a “computation process”, the reality is that each data set has subsets upon subsets, and thus require specific applications to manage them.

If your Healthchecks account is growing and is getting a little hard to manage, Healthchecks.io has a new feature for you: Projects. Use Projects to organize your monitoring dashboards, to have finer-grained team and API access controls, and to simplify your check-integration mapping.

After closing a $20 million Series A round, Mattermost is skyrocketing in popularity as a secure, open source Slack alternative for enterprise DevOps and IT. High-trust teams are adopting it for messaging to overcome some of the biggest collaboration challenges today.

We are excited about Calico v3.5 release. This release provides more control and allows much finer-grained dynamic IP management vs the static allocation of a fixed set of addresses to each node in native Kubernetes. Here are the details.

The biggest challenge when a user complains of slow application is diagnosing why it’s slow: Is it due to a code-level issue or a database issue? Should we call the DBA or the application manager? Performance problems with the database can cause up to 70% of all application performance issues in production, according to consensus among database practitioners and experts.

It’s been a big month of great product updates in January, including the launch of the OpsRamp Winter Release, the ability to deliver collaboration across service delivery and IT operations teams with our certified ServiceNow integration and silver membership in the Cloud Native Computing Foundation (CNCF). In this month’s OpsComm, we’ll take you through some of the exciting news and updates at OpsRamp. To see all of the recent OpsRamp coverage, check out our newsroom.