Harristar Tech·6h agoBuild a File Integrity Monitoring Tool with Python on LinuxDetect unauthorized changes to important Linux files using SHA-256 checksums, Python, and automated security monitoring.
RepoBaby·19h agoThe 3 “Aha!” Moments Where My Sysadmin Experience Finally Clicked with SAA ConceptsEvery habit that made me a good sysadmin was a liability on my first SAA practice test.
Prasanta Kumar Roy·1d agoHyper-V and VMware Basics for Windows Admins: Essential PowerShell Commands Side by SideIf you manage both platforms, a side-by-side reference saves time. Hyper-V commands use the built-in module. VMware commands use VMware…
Prasanta Kumar Roy·1d agoWindows Service Won’t Start: Diagnosis Commands in OrderStep 1: Get the state and the account
Prasanta Kumar Roy·1d agoKerberos Troubleshooting: Tickets, SPNs, and the Errors You’ll Actually SeeKerberos problems show up as login failures, “access denied” on file shares, or apps falling back to NTLM. These commands show what’s…
Prasanta Kumar Roy·1d agoGroup Policy Not Applying: The Commands to Find Out WhyWhen a policy doesn’t apply, the cause is almost always scope, filtering, replication, or connectivity. Check them in that order.
Harristar Tech·1d agoHow to Harden SSH on a Linux Server: A Practical Security ChecklistSecure remote Linux access with SSH keys, disable risky authentication methods, configure firewall rules, and avoid locking yourself out.
Harristar Tech·1d agoHow to Manage Linux Packages from the Command Line: A Practical GuideLearn how to install, update, search, and remove software using APT, DNF, and Zypper, with practical commands and maintenance tips for…
superberater·1d agoWhat I learned building a guard for AI sysadminsI let an AI agent help me run my servers. Disk full, a certificate that didn’t renew, a 502 nobody can explain. Claude Code or Open Code…
