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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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 15 min read

Active Directory Security Baselines as Idempotent Scripts

Tiered admin, ACL hardening, Protected Users, AdminSDHolder the AD security controls that matter, encoded as Get/Test/Set scripts that audit first and enforce second.

Powershell 15 min read

Active Directory Certificate Automation Templates, Enrollment, and Rotation

Automate ADCS end-to-end idempotent certificate templates, auto-enrollment plumbing, scheduled rotation, CRL/OCSP publishing, and a pipeline that keeps every cert in the estate under two months old without a human in the loop.

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.