Exim Log Cheat Sheet: exigrep, exiqgrep, eximstats and Log Flags
Exim log cheat sheet for cPanel and DirectAdmin: log locations, the arrival, delivery, bounce and defer flags, and exigrep, exiqgrep, exiqsumm, eximstats and exiwhat with real examples.
October 7, 2026
Linux Commands Cheat Sheet for Server Admins
Linux commands cheat sheet for server admins: disk, processes, systemctl and journalctl, networking, users, dnf vs apt, rsync, text processing, cron and security checks.
October 6, 2026
Inode Usage Report: Top Directories by File Count per Account
Free bash script that reports inode usage per cPanel or DirectAdmin account, flags accounts over thresholds and lists the folders holding the most files.
October 6, 2026
Microsoft SNDS and JMRP Setup: 2026 Portal, Access and Reports
Set up Microsoft SNDS and JMRP on the 2026 portal: request IP or ASN access, the 10-month reattestation, reading filter and complaint data, and handling junk reports.
October 6, 2026
Intune Device Compliance Report: PowerShell Script via Graph
Free PowerShell script that exports Intune managed devices with compliance state, OS, last sync, user and encryption from Microsoft Graph to CSV or HTML.
October 6, 2026
VoIP MOS Calculator: Call Quality (R-Factor) from Latency, Jitter and Packet Loss
Estimate the MOS and R-factor of VoIP calls from latency, jitter, packet loss and codec with the ITU-T G.107 E-model, see where the score is lost, and how much loss or delay your network can take.
October 3, 2026
Disk full on a production server: recovery runbook Pro
A recovery runbook for a disk full on a production server: safe space to free first, inode exhaustion, what never to delete, and how to bring MySQL, Exim and Dovecot back cleanly after ENOSPC.
September 30, 2026
Multi-Server Health Check over SSH Pro
A multi-server health check that logs in to every server in a list over SSH, in parallel, and grades load, memory, disk, inodes, units, updates, clock and mail queue as OK, WARN or FAIL.
September 30, 2026
Server Inventory Report
A one-page server inventory report for Linux: OS, hardware, disks, IPs, control panel, web server, PHP, database and mail versions, firewall, backups, open ports and pending updates.
September 30, 2026
MariaDB Slow Query Log Summary
Summarises the MariaDB slow query log without Percona tools: groups queries by fingerprint, ranks them by total time, count and rows examined, and prints the commands to turn logging on.
September 30, 2026
Disk and Inode Alert
A disk and inode alert for cron: checks every real filesystem for space and inode use, estimates days until full from growth between runs, and lists the largest directories when a threshold is crossed.
September 30, 2026
Access Log Top IPs and Bots Report
An access log top IPs report for Apache, LiteSpeed and Nginx: top IPs, agents, URLs, fake Googlebots, 404/5xx and wp-login or xmlrpc floods for the last minutes or hours, across all vhosts.
September 30, 2026