Server maintenance includes planned and emergency work to protect the security, stability, capacity and reliability of servers and applications. Typical tasks include security patches, system updates, log reviews, backups...
Load balancing distributes incoming requests across multiple servers to increase capacity and reduce the risk of overloading a single backend. Common approaches include round robin, weighted round robin, least...
Understand HTTP 502 Bad Gateway errors, why proxies and upstream servers fail, 502 vs 504, Cloudflare/Nginx checks, and safe fixes for visitors and site owners.