Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Python – Find ASN and Subnets using an IP Address

MANUAL whois -h whois.cymru.com " -v [IP_ADDRESS]" whois -h whois.radb.net -- '-i origin ASXXXXX | grep -Eo "([0-9.]+){4}/[0-9]+"   PYTHON...
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AICloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

A Network Architect’s Guide to Technical Debt

Technical Debt in the Age of AI In infrastructure and networking, “technical debt” is often treated like a moral issue:...
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Common HTTP Response Codes

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Python – Cisco CLI Config Changer

There are three python files. 1. cli-config-changer.py = This is the main file that you run 2. config_file.py = These...
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Python – Simple DNS Lookup Tool

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompts for the IP/FQDN, Record Type, DNS Server to...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Planning – IT Naming Convention

This post provides a consistent naming convention for your enterprise resources to ensure clarity, consistency, and easy identification.   Importance of...
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Powershell – Find Active XP, 2000, 2003 devices in the Domain

These scripts are an easy way to see if there are any older Windows devices in your domain. You can...
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Business ManagementCloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

The Crucial Role of Vendor Relationships in IT Infrastructure Management

In a landscape as interconnected as Information Technology, the adage by John C. Maxwell, “Teamwork makes the dream work…” perfectly...
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CodeLaptops & DesktopsServers

Powershell – Explicitly Check the Enabled SSL-TLS Protocols WinHTTP

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will check the Enabled SSL-TLS Protocols WinHTTP $Protocols =...
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Python – Find if a DNS Record Exists both Internally and Externally

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will scan both Internal and External DNS import dns.resolver...
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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 Microsoft IIS Microsoft SQL Microsoft Windows Netflow OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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