GGuilherme Ferreira·Aug 28OpenShift application Day-2: 7 guardrails that refuse the bad state in GitSeven controls in the application repository — cert-manager, digest, LimitRange, restricted-v2, PDB, ExternalSecret, and runbook_url12 min read·gferreir.hashnode.dev
GGuilherme Ferreira·Aug 27Application troubleshooting on OpenShift: 10 commands before blaming the clusterA namespace-first runbook that separates application incidents from platform outages12 min read·gferreir.hashnode.dev
GGuilherme Ferreira·Aug 26OpenShift Application Day-2: 7 Mistakes That Take Down the Service, Not the ClusterRoute TLS, image digests, resources, SCCs, PDB, Secrets, and runbooks — what breaks in the namespace after the first deploy13 min read·gferreir.hashnode.dev
GGuilherme Ferreira·Aug 21Kafka on OpenShift in 15 Minutes: From Zero to Cluster with Red Hat Streams for Apache KafkaA hands-on guide to deploying a production-ready Kafka cluster on OpenShift using the Strimzi operator8 min read·gferreir.hashnode.dev
GGuilherme Ferreira·Aug 21Kafka for High Availability in Practice: Patterns with Red Hat Streams for Apache Kafka5 HA patterns every Kafka deployment needs — from replication to cross-region disaster recovery11 min read·gferreir.hashnode.dev
GGuilherme Ferreira·Aug 21Ansible Execution Environments in Practice: Building Reproducible EEs7 best practices for building production-ready Execution Environments with ansible-builder12 min read·gferreir.hashnode.dev
AAayush Darange·Jun 22Ansible Part 5 - Loops, Handlers and TagsLearn Ansible loops, handlers, and tags to reduce repetition, automate service restarts, and run only specific tasks.5 min read·aayush-dev.hashnode.dev
AAayush Darange·Jun 18Ansible Part 3 - Variables, Because Hardcoding is a TRAP!Learn Ansible variables, vars_files, host_vars, group_vars, register, command-line overrides, and variable precedence with examples.4 min read·aayush-dev.hashnode.dev
AAayush Darange·Jun 18Ansible Part 2 - Ad-hoc Commands, Playbooks and Why one-liners aren't enoughLearn Ansible ad-hoc commands, playbooks, YAML structure, syntax checks, dry runs, and common modules with practical examples.6 min read·aayush-dev.hashnode.dev
AAayush Darange·Jun 17Ansible 101: Your First PingLearn Ansible basics, inventory files, ansible.cfg, host groups, and run your first ping command to automate Linux servers.6 min read·aayush-dev.hashnode.dev
