Automation Using Ansible to Automate OpenNebula Since we started using the open source cloud platform OpenNebula as our private cloud solution, we struggled to find a simple solution to manage VMs, services and images on it.
Infrastructure Postgres Meltdown and Spectre Benchmarks You all probably heard about Meltdown and Spectre vulnerabilities that are exploiting bugs in the modern CPU architecture. The biggest problem with these vulnerabilities is that they are hardware bugs, so they cannot easily be fixed.
Automation Managing Iptables with Ansible the Easy Way When we started working with Ansible, we struggled to find a simple and easy solution to manage iptables. Ansible doesn’t have a built-in way of configuring iptables...
Automation Ansible Check Mode Tips Ansible has been the bread and butter of automation here at Nordeus for a few years now. We’ve used it to automate everything from system configurations to custom orchestrated application deploys.
Open-Source Meet Pushkin - Nordeus' Open Source Push Notification System Push notifications deliver information from a software application to a client device without a specific request from the client. An important advantage of push notifications is...
Infrastructure Power Failure Testing with SSDs Solid State Drive (SSD) is a technology which brings a few times better performance compared to enterprise SAS drives and we at Nordeus are heavily using it with Postgres.