Tutorials
In-depth technical tutorials, guides, and infrastructure best practices.
Fix Windows Server Update Stuck at 0% or Pending Reboot
Learn how to fix Windows Server updates stuck during download or install, with safe repair steps and remote access tips.
NVMe Storage for Databases: How Much IOPS and Capacity Do You Need?
Learn database server IOPS sizing for PostgreSQL and MySQL. Measure your workload, test NVMe with fio, and plan disk size.
Create SFTP-Only Backup Users on Ubuntu with chroot and SSH Keys
Set up SFTP-only backup users on an Ubuntu VPS with chroot and SSH keys. Includes tests, logs, and permission fixes.
How to Install Windows Admin Center and Fix WinRM Errors
Learn Windows Admin Center setup on a VPS with HTTPS, safe WinRM, and TrustedHosts. Fix WinRM connection errors, TLS, firewall, and login issues.
Dedicated Server Bandwidth: Port Speed, TB Limits, and 95th Percentile
Learn how dedicated server bandwidth works: 1 Gbps vs 10 Gbps, monthly TB caps, 95th percentile billing, PPS limits, and a simple calculator to size your plan.
How to Isolate Nginx with a FreeBSD 15 Service Jail
Learn how to set up a FreeBSD 15 service jail for Nginx on FreeBSD 15.1 with pkgbase and pf. Includes isolation tests, upgrades, and bind-error fixes.
Dedicated Server CPU Sizing: A Simple Guide for Real Workloads
Choose the right dedicated server CPU with a simple guide to cores, clock speed, threads, cache, and real workload tests.
How to Safely Reset a Windows VPS Administrator Password
Safe, supported steps to regain access to a Windows VPS, including tips for BitLocker and domain accounts.
How Many Websites Can a 4 GB, 8 GB, or 16 GB VPS Actually Host?
Learn how many sites fit on a 4 GB, 8 GB, or 16 GB VPS. See CPU, RAM, PHP worker, cache, and database needs, and when to upgrade.
Set Up the pf Firewall on FreeBSD 15.1 Without Locking Yourself Out
Learn FreeBSD pf firewall setup for a VPS. Allow SSH, HTTP, and HTTPS; block the rest; check syntax, reload safely, capture packets, and recover from a lockout.
How to Size RAM for a Windows VPS: RDP, Browsing, and Business Apps
Find out how much RAM your Windows VPS needs for RDP, browsing, and business apps. Get sizing examples, licensing tips, and a simple worksheet to measure.
Windows VPS Lag Over RDP: Diagnose and Fix It Step by Step
Windows VPS slow RDP performance after login? Find the cause with simple checks and fix it before you upgrade.