Optimize Linux TCP Stack for High Throughput and Low Latency
Step by step Linux TCP tuning: sysctl, socket buffers, IRQ affinity, NIC offloads, ethtool tweaks and iperf benchmarks to boost throughput and reduce latency.
Harden Windows RDP: Policies, Network Controls & Audit
Practical Windows RDP hardening for sysadmins: enforce NLA, lock down logon accounts, deploy RD Gateway + MFA, apply Group Policy and registry controls, tighten firewall segmentation, patch RDP, and enable auditing with key Event IDs.
Fix Windows File System Corruption with chkdsk and SFC
Practical Windows guide to detect, analyze, and repair NTFS and system file corruption with chkdsk, SFC, DISM, offline repairs, logs, and automation tips.
Optimize Windows 11 Storage Spaces Performance: Tuning Guide
Hands-on tuning, benchmarking, and troubleshooting to improve Windows Storage Spaces performance on desktops and servers running Windows 11.
Troubleshoot Windows Memory Leaks with RAMMap and PoolMon
Step-by-step Windows memory leak troubleshooting using RAMMap, PoolMon, Process Explorer, Task Manager, and kernel dump analysis.
Detect and Remove Windows Scheduled Task Malware Fast
Step-by-step Windows guide to detect, triage, and remove persistent scheduled-task malware using PowerShell, Task Scheduler, registry checks, and hardening tips.
Diagnose Slow Windows Boot with WPR, Autoruns, Event Logs
Step by step Windows guide to diagnose slow Windows boot using WPR, WPA, Autoruns, Event Viewer, and DriverVerifier for targeted fixes.
Linux Cybersecurity: Detect and Mitigate Sudo Abuse
Practical incident response for sudo abuse detection on Linux, using auditd, sudo logs, journalctl, alerting rules, and automated containment steps.
Linux Journald Log Management: Inspect, Limit, Vacuum
Practical Linux guide to inspect and control systemd journald growth, set retention and rate limits, vacuum journals, and forward logs for production servers.
Diagnose and Speed Linux Boot: systemd Unit Tuning
Practical Linux guide to diagnose slow boots and optimize systemd units using systemd analyze, journalctl, unit tuning, masking, and parallel startup techniques.