September 12, 2026
12 min read
OpenSSL Command Cheat Sheet for DevOps
This OpenSSL command cheat sheet for DevOps covers keys, CSRs, certificates, TLS testing, and format conversion with copy-paste commands for Ubuntu servers.
September 12, 2026
13 min read
Certificate Pinning: Pros and Cons
Certificate pinning pros and cons matter for mobile apps and APIs—extra MITM protection versus rotation risk, outages, and maintenance cost.
September 12, 2026
10 min read
Design a Backup Strategy That Works
Design a backup strategy that works by combining full dumps, incremental copies, off-site storage, and tested restores—not just nightly cron jobs.
September 11, 2026
12 min read
Error Budgets: Balance Reliability and Speed
Error budgets balance reliability and speed by turning SLO targets into measurable release risk, so teams ship fast without breaking production trust.
September 11, 2026
11 min read
VMware ESXi Fundamentals
VMware ESXi fundamentals explained for developers and ops teams—hypervisor architecture, install steps, networking, storage, and when bare-metal virtualization beats cloud VMs.
September 11, 2026
11 min read
Migrate from CentOS to Rocky Linux
Migrate from CentOS to Rocky Linux with a tested in-place upgrade path, pre-flight checks, rollback planning, and post-migration validation for production servers.
