RCFMARTIN

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Name : Ricardo Martin

Roles : [ "DevOps", "DevSecOps", "Cybersecurity" ]

Focus : [ "Automation", "Security", "Scripting" ]

PowershellEnthusiast : True

LinuxEnthusiast : True

GymRat : True

CaffeineAddicted : True

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# Quick navigation

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a3f92c1 fix: it worked on my machine so shipping it rcfmartin 12 min ago │b81d4e7 fix: ping worked so the network is fine (it was not fine) rcfmartin 1 hour ago │c55a012 chore: opened ticket, fixed issue, closed ticket, ticket reopened by user rcfmartin 2 hours ago │d29f38b fix: user said it is broken, computer was off rcfmartin 4 hours ago │g90e153 fix: works now, no idea why, not asking questions rcfmartin yesterday │h13d76a fix: rm -rf executed on wrong server, updated resume just in case rcfmartin yesterday │k92b310 docs: wrote a comment that explains absolutely nothing rcfmartin 2 days ago │l58e204 fix: packet loss resolved by aggressively blaming the cable rcfmartin 3 days ago │m71a983 fix: DNS. it is always DNS. it was DNS rcfmartin 3 days ago │r65a123 chore: ran the same command twice expecting different results rcfmartin 5 days ago │y89e231 fix: googled the same regex for the fifth time this month rcfmartin 2 weeks ago │z03f567 chore: reboot fixed it, root cause is the mystery of the universe rcfmartin 2 weeks ago │dd2e789 docs: added do not touch comment, touched it the next day rcfmartin 3 weeks ago │ez1e084 chore: spent 3 hours automating a 5 minute task, no regrets rcfmartin 3 weeks ago │a3f92c1 fix: it worked on my machine so shipping it rcfmartin 12 min ago │b81d4e7 fix: ping worked so the network is fine (it was not fine) rcfmartin 1 hour ago │c55a012 chore: opened ticket, fixed issue, closed ticket, ticket reopened by user rcfmartin 2 hours ago │d29f38b fix: user said it is broken, computer was off rcfmartin 4 hours ago │g90e153 fix: works now, no idea why, not asking questions rcfmartin yesterday │h13d76a fix: rm -rf executed on wrong server, updated resume just in case rcfmartin yesterday │k92b310 docs: wrote a comment that explains absolutely nothing rcfmartin 2 days ago │l58e204 fix: packet loss resolved by aggressively blaming the cable rcfmartin 3 days ago │m71a983 fix: DNS. it is always DNS. it was DNS rcfmartin 3 days ago │r65a123 chore: ran the same command twice expecting different results rcfmartin 5 days ago │y89e231 fix: googled the same regex for the fifth time this month rcfmartin 2 weeks ago │z03f567 chore: reboot fixed it, root cause is the mystery of the universe rcfmartin 2 weeks ago │dd2e789 docs: added do not touch comment, touched it the next day rcfmartin 3 weeks ago │ez1e084 chore: spent 3 hours automating a 5 minute task, no regrets rcfmartin 3 weeks ago │

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Powershell 13 min read

WMI Filters as Code The Silent Half of Group Policy

WMI filters live in their own LDAP container with a hand-encoded `msWMI-Parm2` blob, no shipped cmdlets, and a habit of silently dropping GPO scope when malformed. This post automates them with the same Get/Test/Set discipline the rest of the series uses.

Powershell 14 min read

Group Policy as Code Export, Diff, Apply

GPOs are normally edited in GPMC and live only in SYSVOL. This post turns them into text files on disk exported, normalized, diffable in pull requests, and applied idempotently from CI.

Powershell 15 min read

Active Directory Structure as Code OUs, Groups, and ACLs

A single YAML or JSON file describes the target directory. A reconciler applies it idempotently, safely handles renames and moves, and produces a diff anyone can read in a pull request.