Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Python – Fix SSL Certificate Verified Failed

ERROR Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate...
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BCP – Business Continuity Plan for Data Center Hurricane Failover & Failback Example

  Table of Contents 1. Objectives 2. Stakeholders 3. RTO/RPO Targets 4. Hurricane Trigger Points 5. Communication Plan 6. Pre-Hurricane...
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Powershell – Find What AD Group a User is a Member Of

  Get-ADUser -Identity "kcordero" -Properties MemberOf | Select-Object -ExpandProperty MemberOf  ...
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Common Ports

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Powershell – Find AD Computers Created within 7 Days

  $lastWeek = (Get-Date).AddDays(-7) Get-ADComputer -Filter { whenCreated -ge $lastWeek }  ...
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Certificate Chains

HOW CERTIFICATE CHAINS WORK Certificate chains, also known as a chain of trust, work on the concept of Public Key...
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CodeLaptops & DesktopsServers

Windows Powershell giving “execution of scripts is disabled” error

I was getting an error when I went to run a PowerShell script.  This was the error: PS C:\> .\kerrys-script.ps1...
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Windows Powershell giving “is not digitally signed” error

I was getting this error: File C:\Scripts\XXXXXX.ps1 cannot be loaded. The file C:\Scripts\XXXXXX.ps1 is not digitally signed. You cannot run...
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Python – MX Scanner

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will look at a file called "mx-records.txt" and run...
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Python – ARIN Whois

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompt for the ASN and output the IP Subnet...
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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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