Short, practical guides that help you get results with our free online tools.
A friendly, no-stress office phone system: named extensions (100,101…), outside callers reach you via DID/DIL, teams ring together in hunt groups, voicemail works, menus are short (“1-Sales, 2-Support”), and IT has QoS, VLAN, backups, and security dialed in.
Read →
Dual-ISP Load Balancing, Failover, Staff/Guest Wi-Fi & Fewer CAPTCHAs.
Read →
This beginner-friendly guide covers hardware connections, software installation, IP phone setup, licensing, and testing.
Read →
Passkeys & MFA, phishing defense, EDR/XDR, Quad9 & DoH, zero-trust, patching, CIS & NIST mapping, and 3-2-1-1-0 backups.
Read →
Images → PDF with page order, size, margins, fit, JPEG quality, downscale, background color, watermark (single/tiled), range export, and download.
Read →
Beginner-friendly CCNA cheat sheet: daily show/verify, VLANs and trunks, and safe resets for switches, routers, and firewalls.
Read →
Generate branded invoices in minutes with the Sys-Metrics Invoice Generator. Learn setup, taxes, discounts, and PDF export.
Read →
Compare privacy resolvers, encrypted DNS, and enterprise filtering. Pros & cons and how to layer them.
Read →