Most read guides
Where most sysadmins start.
- Windows Server & Active DirectoryInstall RSAT on Windows 11: 5 Methods, Including OfflineRead guide
- VirtualizationEnable SSH on ESXi and the 40 esxcli commands every VMware admin needsRead guide
- Email & DeliverabilityOutgoing Spam cPanel: Find the Source and Stop ItRead guide
- Microsoft 365 & WorkspaceMicrosoft 365 SPF DKIM DMARC: Secure Exchange Online SetupRead guide
- DirectAdminInstall DirectAdmin on AlmaLinux 9/10 and Debian 13: 2026 GuideRead guide
- GeneralServer hacked: incident response runbook for Linux and cPanel ProRead guide
- cPanel & WHMFind cPanel, DirectAdmin and MySQL Passwords from the CLI (and One-Time Login Links)Read guide
- cPanel & WHMInstall cPanel AlmaLinux 10: 2026 ChecklistRead guide
- VoIP & TelephonyPJSIP Behind NAT: Asterisk and FreePBX Settings for Two-Way AudioRead guide
Step-by-step guides and fixes for server administrators: cPanel, DirectAdmin, Windows Server, email, DNS, security and more. Free to read, tested on real servers. Press / to search.
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Provision Yealink Phones on FreePBX 17 (Without Commercial EPM)
Provision Yealink phones on FreePBX 17 without EndPoint Manager: MAC.cfg files, account.1 settings, HTTPS with a password, DHCP option 66 and checks.
October 7, 2026
WinSxS Cleanup on Windows Server 2022 and 2025: Free Disk Space Safely
Measure the WinSxS component store with DISM AnalyzeComponentStore, clean it safely with StartComponentCleanup, and understand what /ResetBase takes away.
October 7, 2026
Plesk “Unable to connect to database”: PleskDBException Fix
Fix Plesk "Unable to connect to database" and PleskDBException errors: start MariaDB, free disk space, repair .psa.shadow, plesk repair db and InnoDB crashes.
October 7, 2026
Microsoft 365 Business Basic vs Standard vs Premium (2026)
Microsoft 365 Business Basic, Standard and Premium compared for admins: prices checked 7 October 2026, Entra ID, Intune, Defender, the 300-user cap and when E3/E5 fit.
October 7, 2026
LiteSpeed 503 Service Unavailable on cPanel: Fix lsphp Limits
Fix 503 Service Unavailable on cPanel servers running LiteSpeed: read stderr.log, match the error to lsphp limits, CloudLinux, crashes or memory, and verify the fix.
October 7, 2026
InnoDB Page Corruption: Recover a Crashed MariaDB on cPanel
Fix InnoDB page corruption on a cPanel MariaDB server: read the error, copy the data directory, use innodb_force_recovery safely, dump and rebuild, or restore from backup.
October 7, 2026
Imunify360 CLI: Scan, List and Clean Malware from the Command Line
imunify360-agent malware commands for 2026: queue scans, list detections, clean or restore files, manage the ignore list and report false positives.
October 7, 2026
FreePBX Backup and Restore from the Command Line (fwconsole)
Run, schedule, copy and restore FreePBX 17 backups from the shell with fwconsole backup, including file locations, restore options and checks.
October 7, 2026
fail2ban vs CSF in 2026: Which Firewall for a Hosting Server?
fail2ban vs CSF for hosting servers in 2026: CSF fork status, features, nftables and AlmaLinux 10, resource use, cPanel/DirectAdmin/Plesk support and which to pick.
October 7, 2026
Exim “Retry Time Not Reached for Any Host”: Causes and Fix
What Exim "retry time not reached for any host" means, how to read the retry database with exinext and exim_dumpdb, and how to force delivery safely.
October 7, 2026
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
Event ID 5805: Netlogon Session Setup Failed to Authenticate
Netlogon event ID 5805 means a computer failed to authenticate its secure channel to a DC. Find why its machine password is out of sync and repair it.
October 7, 2026