PHP-FPM Slow Log Analyzer
Turns a PHP-FPM slow log into answers: slow requests grouped by script, stack frame, function and WordPress plugin, plus pm.max_children hits and timeouts per pool next to each pool's settings.
September 30, 2026
Server Security Audit Script
A read-only server security audit script for Linux: SSH, firewall, brute-force protection, updates, ports, sudo and filesystem checks as PASS/WARN lines. Checks it cannot run are SKIP, never PASS.
September 30, 2026
Backup Verify Script
A backup verify script that checks every account and database series: fresh, not shrinking, opens cleanly, and present for every expected account. Anything it cannot test is a failure.
September 30, 2026
Install Issabel 5 on Rocky Linux 8: Simple Step-by-Step PBX Setup
Prepare a minimal Rocky Linux 8 server, run the Issabel 5 netinstall script, log in to the web interface, and set up extensions, a trunk, routes, the firewall and backups.
September 30, 2026
Install Asterisk 22 LTS on Debian 13: Step-by-Step Guide
Build Asterisk 22 LTS from source on Debian 13, run it as a non-root service, register two PJSIP phones, add a simple dialplan and lock down the SIP and RTP ports.
September 30, 2026
Install Proxmox VE 9: Step-by-Step Setup on Bare Metal
A complete Proxmox VE 9 installation: prepare the hardware and USB stick, choose ZFS or ext4, set the management network, switch to the no-subscription repository, update, and create the first virtual machine.
September 30, 2026
nginx Config Checker: Find Security and Syntax Mistakes
Static review of an nginx configuration in your browser: syntax slips, old TLS protocols, missing HSTS and redirects, add_header inheritance, PHP-FPM and proxy pitfalls, with suggested fixes by line.
September 30, 2026
systemd Unit Generator: Service and Timer Files With Safe Defaults
Generates a systemd service unit, and a timer unit for scheduled jobs, with a dedicated user, restart policy and recommended sandboxing, plus the verify and enable commands.
September 30, 2026
SMTP Test: Free STARTTLS, Certificate and Banner Check
Connects to a mail server on port 587 or 465, reads the greeting, negotiates TLS and shows the certificate, TLS version, AUTH methods and reverse DNS, without sending any message.
September 30, 2026
Domain Health Checker: Free Score for DNS, SSL, Email and Headers
One scan that scores a domain out of 100 across DNS, HTTPS, security headers and email authentication, with a prioritised list of fixes.
September 30, 2026
VoIP Call Quality: Jitter, Packet Loss and MOS Explained With 3 Targets
The three numbers that decide VoIP call quality (delay, jitter and packet loss), the targets to aim for, how MOS and R-factor are derived, and a repeatable way to measure a connection before and after changes.
September 30, 2026
VoIP One-Way Audio Fix: 6 Checks for NAT and RTP
A step-by-step way to find why one side of a call cannot hear the other: read the SDP, check NAT settings in PJSIP and 3CX, confirm RTP reaches the PBX, and remove SIP ALG and short UDP timeouts.
September 30, 2026