How to run RHEL5/Centos5 in Google Cloud

Google cloud instances run on top of KVM hypervisor. In newer KVM versions, such as the one used in Google Cloud, virtio-scsi is used instead of an older virtio-blk storage backend. The virtio-scsi disk devices looks like: In RHEL6, a module…

Read More >

Lessons learned from debugging application performance in Cloud

Lift and shift migration using tools like Cloudendure is the fastest way to migrate ‘on premises’ systems to Google Cloud. When the migration is complete, the environment can be refactored to use cloud-native capabilities. During application testing after a recent automated…

Read More >

Using Docker to provide self-service database patching

I’ve been looking into how Vagrant and/or Docker can be used to improve the life of DBAs and maybe others, too. I did this mostly to practice using these tools – especially Docker – that are becoming more and more important…

Read More >

DevOps: five trends for 2019 and beyond

The 2019 technology forecasts are still a few months away, but some predictions are already a safe bet — especially when it comes to DevOps. New estimates from IDC suggest that the DevOps software market will grow from its 2017…

Read More >

DevSecOps: what all DevOps should be

Today the value of DevOps is well understood, at least by IT professionals. In the IT community, DevOps is almost universally accepted as being superior to traditional software development. By breaking down departmental silos, DevOps unifies development and operations teams…

Read More >

Interesting happenstance when installing Ansible dependencies in a MySQL Docker container

I’ve been posting quite a bit about Docker as I’ve been working with it a lot as of late. I thought I would share something interesting I discovered a couple weeks ago while working on setting up a Docker container-based…

Read More >

Cassandra backups using nodetool

Cassandra nodetool provides several types of commands to manage your Cassandra cluster. See my previous posts for an orientation to Cassandra nodetool and using nodetool to get Cassandra information. My colleague has provided an in-depth analysis of backup strategies in…

Read More >

Deploying Azure Kubernetes Cluster with Container Health Monitoring Service

Microsoft Build 2018 recently wrapped up and it was an exciting three days of big announcements for many of Microsoft’s services. One small feature update which caught my eye is the revamped Azure Monitor container health service which rolled out…

Read More >

Build a CI/CD Pipeline using AWS Developer Tools

Building and delivering software isn’t easy. Everyone wants to have a consistent quality and to be able to deliver new functionality quickly. In this write-up, I will demonstrate Continuous Integration and Continuous Delivery for a Simple .NET application using AWS…

Read More >

Cassandra open-source log analysis in Kibana, using filebeat, modeled in Docker

I was recently asked to set up a solution for Cassandra open-source log analysis to include in an existing Elasticsearch-Logstash-Kibana (ELK) stack. After some research on more of the newer capabilities of the technologies, I realized I could use “beats”…

Read More >
Page 1 of 41234