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.
Jump to: Cheat sheets Installation guides Scripts Free tools
Nothing matches. Try a shorter word or another section.
Reset krbtgt Password Safely: Two Resets, Replication and RODCs
Reset the krbtgt password safely: why it takes two resets, how long to wait, replication checks, Microsoft's New-KrbtgtKeys.ps1 modes, and RODC krbtgt accounts.
October 6, 2026
Kerberos RC4 Removal: Find and Fix RC4 Accounts (2026)
Kerberos RC4 removal in 2026: the KB5073381 timeline, how to find RC4 users with KDCSVC events 201-209 and event 4769 type 0x17, and how to fix service accounts and keytabs.
October 6, 2026
Block RDP Brute Force on Windows Server: Detect and Stop It
Stop RDP brute force on Windows Server: read event 4625 (logon types 3 and 10), close or scope port 3389, require NLA, set account lockout, and auto-block attacking IPs.
October 6, 2026
BadSuccessor dMSA on Server 2025: Audit OU Rights and Patch
BadSuccessor (CVE-2025-53779) let anyone who could create a dMSA on Windows Server 2025 take over the domain. Check DC builds, audit OU rights and dMSA links, and monitor.
October 6, 2026
AD DNS Scavenging: Safe Aging Setup with PowerShell
Set up DNS aging and scavenging on AD-integrated zones safely: timers explained, a three-phase rollout with PowerShell, protecting static records, and events 2501/2502.
October 6, 2026
How to Audit Active Directory Changes: Track Who Changed What and From Which Computer
Turn on the right audit policy and SACLs, then find who changed which Active Directory user, group or setting, the old and new value, and the computer it came from. Tested on Windows Server 2025.
October 6, 2026
CloudLinux LVE Limits Explained: SPEED, PMEM, EP, NPROC, IO
CloudLinux LVE limits explained: what SPEED, PMEM, VMEM, EP, NPROC, IO and IOPS cap, what faults mean, how to read them with lveinfo and how to choose limits.
October 6, 2026
“508 Resource Limit Is Reached”: Find and Fix the Limit
Fix "508 Resource Limit Is Reached" on CloudLinux cPanel servers: confirm the EP fault with lveinfo, find the traffic behind it, fix the cause, then raise limits.
October 6, 2026
“Cannot Manage PHP Versions When CageFS Is Disabled”: PHP Selector Fix
Fix "Cannot manage PHP versions when CageFS is disabled" and related CloudLinux PHP Selector errors on cPanel and DirectAdmin.
October 6, 2026
JetBackup 5 Restore in WHM: Accounts, Files, Databases, Email
Restore cPanel accounts, files, databases and email from JetBackup 5 in WHM as root, handle orphan accounts and restore conditions, and queue restores with jetbackup5api.
October 6, 2026
JetBackup 4 to 5 Migration: The 5.2.11 Stepping Stone
Move from JetBackup 4 to JetBackup 5 the supported way: install 5.2.11 alongside JB4, import the configuration, verify, remove JB4 and update JB5.
October 6, 2026
cPanel restorepkg and pkgacct: Backup and Restore from CLI
Back up and restore cPanel accounts from the shell with /scripts/pkgacct and /scripts/restorepkg: options, file locations, moving to a new server and common errors.
October 6, 2026