Engineering writeups and incident post-mortems for #legacy.
Articles: 3In-depth engineering analysis: Upgrading legacy CentOS 7 workloads to modern Rocky Linux 9 without service interruptions. Practical diagnostics, logs and production configuration.
In-depth engineering analysis: Replacing aging HAProxy setups with lightweight modern proxies supporting dynamic service discovery. Practical diagnostics, logs and production configuration.
In-depth engineering analysis: Modernizing legacy OpenSSL 1.0.2 microservices to TLS 1.3 and ALPN. Practical diagnostics, logs and production configuration.
