A step-by-step website migration guide: prepare the new server, copy files and databases, test with a hosts file, switch DNS and avoid downtime.
Shared vs VPS vs cloud hosting compared: performance, control, scaling and maintenance, plus clear signs it is time to upgrade your hosting.
Web caching explained layer by layer: browser cache, CDN, reverse proxy, page and object caching, Cache-Control headers and safe invalidation.
Why website uptime monitoring matters, which checks to set up (HTTP, keyword, SSL, DNS, cron), sensible intervals, and how to avoid false alarms.
A practical guide to server monitoring: the metrics that matter, sensible alert thresholds, avoiding alert fatigue, and tools to get started.
A practical server maintenance checklist with daily, weekly, monthly and quarterly tasks, plus the Linux commands to carry each one out.
Server log management explained: where Linux logs live, journald and logrotate, centralised logging, retention, privacy and what to alert on.
Server firewall basics for Linux: how iptables and nftables work, configuring UFW and CSF, safe rule order, and testing which ports are open.
Server backup best practices: what to back up, consistent database dumps, snapshots vs file backups, retention, encryption, monitoring and restores.
How to secure SSH on a Linux server: key authentication, sshd settings, firewall limits, two-factor login, jump hosts and regular key audits.
A practical patch management process for servers: inventory, prioritising updates, testing, automatic security patches, reboots and rollback plans.
Nginx vs Apache compared: architecture, performance, .htaccess, PHP handling and configuration, plus when to run Nginx in front of Apache.
