Server, Hosting and Domain Tutorials
Practical guides on buying and managing virtual servers, security, networking, domains and website optimization.
30 articles
Optimization and performanceTeaching how to increase website speed on a virtual server
A practical guide to increasing website speed on a virtual server; From setting up Nginx, HTTP/2 and OPcache to multi-layer caching, optimizing images and getting TTFB under 200ms.
9 min read
Domain and DNSNational domain (.ir) or international? Domain extension selection guide
domain ir or com? Complete comparison of national and international domains in terms of cost, SEO, credibility and target audience to choose the best domain extension for your business.
11 min read
Domain and DNSGuide to transferring domains between registrars
The complete guide to transferring domains between registrars: prerequisites, obtaining an EPP code, step-by-step procedures, maintaining DNS records, and troubleshooting common problems without disrupting your site and email.
10 min read
Domain and DNSTeaching how to connect a domain to a virtual server
Step-by-step tutorial on connecting domain to virtual server: setting A record, configuring Nginx, installing SSL certificate and fixing common problems. Upload your site on a dedicated server.
10 min read
Domain and DNSرکوردهای DNS چیست؟ A, CNAME, MX and TXT directory
A complete guide to DNS records including A, AAAA, CNAME, MX and TXT with practical examples. Learn what each record does and how to properly configure your domain and email.
10 min read
Domain and DNSComplete training on domain registration and choosing the right domain
A complete guide to domain registration, from choosing the right name and extension to purchase steps and security tips. Register your first domain professionally and securely with this step-by-step tutorial.
11 min read
Server securityBest practices for server backups
Best practices for server backup: 3-2-1 rule, full and incremental backup, database backup with mysqldump, encryption, automation with cron and data recovery test.
9 min read
Server securityHow to install a free SSL certificate with Let's Encrypt
Step-by-step tutorial to install free SSL with Let's Encrypt and Certbot on Nginx and Apache, automatic certificate renewal, HSTS activation and TLS hardening for complete site security.
10 min read
Server securityGuide to prevent DDoS attacks on virtual server
A practical guide to preventing DDoS attacks on a virtual server: hardening the Linux kernel, rate limiting with iptables and Nginx, using a CDN and real-time server traffic monitoring.
10 min read