Deploy ASP.NET Core on Linux with Kestrel, systemd and Nginx
Publish an ASP.NET Core app, run it on Kestrel as a systemd service, configure forwarded headers, put Nginx in front with HTTPS, and deploy updates safely.
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Web Development
Stacks, databases, deployment and marketing for websites you host yourself.
Fix Nginx 502 Bad Gateway: Causes and Solutions
Diagnose Nginx 502 Bad Gateway: read the error log, fix PHP-FPM sockets, crashed or wrong-port upstreams, Docker, SELinux and buffer sizes.
Set Up Subdomains With Nginx (Sites, Apps and Wildcards)
Host subdomains on one VPS with Nginx: DNS records, a server block per subdomain, app proxying, HTTPS with Certbot, wildcards, and a catch-all default.
Nginx try_files Explained with Real Examples
How Nginx try_files works: files and directories in order, fallbacks to a URI or status, front controllers, single-page apps and pitfalls.
Install Apache Tomcat on Ubuntu (with systemd and Nginx)
Install Apache Tomcat 10 or 11 on Ubuntu from the official tarball, create a systemd service, secure the manager, deploy WARs and add Nginx.
How to Install Apache on Ubuntu: Web Server Setup Guide
Install the Apache web server on Ubuntu, open the firewall, learn the config layout and a2en* tools, add a site, enable modules and fix common errors.
Nginx Basic Authentication: Password-Protect a Site or Path
Protect a site, folder or admin tool with Nginx basic auth: htpasswd users, locations, IP allow-lists, excluded paths and security tips.
Redirect www to non-www (or Back) in Nginx and Apache
Pick a canonical domain and 301-redirect the other: Nginx and Apache configs, certificates for both names, Cloudflare rules, app URLs, and curl tests.
Nginx FastCGI Cache: Full-Page Caching for PHP and WordPress
Set up Nginx FastCGI cache for PHP sites: cache zones, keys, bypass rules for logged-in users and carts, cache status headers, purging and microcaching.
Nginx: Redirect HTTP to HTTPS (and www to non-www)
Redirect HTTP to HTTPS in Nginx with a clean 301, pick www or non-www, keep ACME challenges working and avoid redirect loops behind proxies.
301 vs 302 Redirects (and 307, 308): Which One to Use
Permanent vs temporary redirects explained: 301, 302, 307, 308 and 410, their SEO impact, Nginx and Apache examples, redirect chains, and how to test them.
Static vs Dynamic Websites: Which Should You Build?
Compare static and dynamic websites on speed, security, cost and editing, understand hybrid approaches, and pick the right one for your project.
Web Application Architecture: From One VPS to Many Servers
How web apps are built: client, web server, app server, database, cache, queues and storage, and how the setup evolves from one VPS to many servers.
How to Install Node.js on Ubuntu: 3 Methods Compared
Install Node.js and npm on Ubuntu via the Ubuntu repository, the NodeSource repository or nvm — which to choose for servers, and how to upgrade safely.
Should You Use a CDN? Setup and Tips for VPS-Hosted Sites
What a CDN does for a VPS-hosted site, when it helps, how to set one up, caching rules, origin protection, real visitor IPs and common pitfalls.
Monolith vs Microservices: Which Architecture Fits Your Team?
Monoliths, modular monoliths and microservices compared: deployment, scaling, data, team size, operating cost, VPS hosting, and when to split a service.
Backlink History: How to Check and Analyze a Site's Link Profile
Check a site's backlink history: new and lost links over time, tools, reading growth charts, spotting spam, vetting domains before buying, and disavow.
Install PHP Extensions on Ubuntu, Debian and AlmaLinux
Install and enable PHP extensions with apt or dnf, find what an app needs, use phpenmod, add PECL extensions like Redis, and verify them.
Apache Performance Tuning on a VPS: MPM, PHP-FPM and Caching
Speed up Apache on a VPS: event MPM with PHP-FPM, workers sized to RAM, KeepAlive, unused modules, .htaccess lookups and caching.
Nginx location Blocks Explained: Matching Order and Examples
How Nginx chooses a location block: exact, prefix, ^~ and regex matches, evaluation order, try_files, nested locations, and practical patterns for real sites.
Website Speed Optimization: A Server-Side Checklist
Make websites faster from the server side: location and TTFB, HTTP/2 and TLS, compression, caching layers, PHP and database tuning, images.
Nginx Rate Limiting: Protect Logins, APIs and Your Server
Configure Nginx rate limiting with limit_req and limit_conn: zones, burst and nodelay, per-location limits, whitelisting, custom 429 responses and testing.
Nginx Access and Error Logs: Location, Format and Analysis
Find and read Nginx logs, add timings and upstream data to the log format, log per site, use JSON logs, rotate them and analyse traffic fast.
Install Ruby and Rails on Ubuntu with rbenv or mise
Set up Ruby for Rails on Ubuntu: build dependencies, install Ruby with rbenv or mise, Bundler, create a Rails app with PostgreSQL, and prepare for production.