Harden SSH on Linux: Key Auth, Rate Limit, and 2FA
Practical SSH hardening for Linux: enforce key only auth, tune sshd_config, add IP rate limit, deploy fail2ban, integrate 2FA, and verify or roll back safely.
Optimize systemd Boot Performance on Linux Servers
Step-by-step sysadmin guide to measure, profile, and reduce Linux server boot time with systemd-analyze, journalctl, service masking, initramfs and kernel tuning.
Windows: Centralize BitLocker Recovery Keys in AD
Practical Windows guide to configure Group Policy and PowerShell to escrow BitLocker recovery keys to on-prem Active Directory, verify schema, automate backup, and recover keys.
Automate Windows Service Recovery with PowerShell
Step by step PowerShell guide to configure Windows service failure actions, restart thresholds, custom recovery scripts, logging, and alerts for production servers.
Audit and Remediate Windows Scheduled Tasks for Security
Step-by-step Windows scheduled tasks audit for sysadmins: inventory tasks with PowerShell, detect malicious activity via Event Log queries, remediate and harden at scale.
Disable and Audit Windows 11 Telemetry at Scale
Step by step guide for sysadmins to disable, audit, and monitor Windows 11 telemetry across the enterprise using GPO, MDM, registry, and verification tips.
Troubleshoot Windows Driver Failures: DPC, WHEA, BSOD
Practical Windows driver troubleshooting for sysadmins: diagnose and fix DPC latency, WHEA errors, and BSOD using built in Windows tools.
Automate Windows Patch Deployment with PowerShell
Hands-on guide for sysadmins to automate Windows patching with PSWindowsUpdate, scheduled scripts, reboot control, logging, and optional WSUS integration.
Optimize Windows 11 Boot: Services, Drivers, Fast Startup
Step by step guide for sysadmins to reduce Windows 11 boot time: analyze with Event Viewer and WPT, trim startups, fix drivers, and configure Fast Startup.
Manage Windows Firewall with PowerShell DSC at Scale
Practical guide to author, deploy, test, rollback, and audit Windows Firewall configurations across fleets using Windows Firewall PowerShell DSC.