Kerry CorderoPractical Network Engineering Notes
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Powershell – Dump all AD Email Addresses

  Get-ADUser -Filter * -Properties DisplayName, EmailAddress, Title | select DisplayName, EmailAddress, Title | Export-CSV "C:\Scripts\Email_Addresses.csv"  ...
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CodeSecurity

API Troubleshooting

Troubleshooting an API issue involves understanding the specific problem, checking logs, examining request and response data, and more. Here are...
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Streamline API Testing with .http Files in Visual Studio Code

If you’re a developer working with APIs, web services, or any HTTP-based communication, having a reliable and efficient way to...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Organizational Structures for IT – Network Leads & Network Architects

I’ve carried the Architect title over the years of being in IT. Below is my opinion on the difference between...
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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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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

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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Python – Find IP Location with IPSTACK API (Geolocation)

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will find IP Location via ipstack API import requests...
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Python – IP Location and Subnet Scanner

This script was developed to address a specific scenario where vendors provide a range of IP subnets to be whitelisted....
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

What is Ansible and What Are the Format Options Like YAML

Ansible is an open-source software automation platform written primarily in Python. Known for its simplicity and agentless architecture, It has...
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Powershell – Find AD Active Users Password Expirations

Find Active Users with PW Expires Date/Time: Import-Module ActiveDirectory Get-ADUser -SearchBase "DC=cordero,DC=me" -filter {Enabled -eq $True -and PasswordNeverExpires -eq $False}...
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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
  • Tools
    • Car Calculator
    • IP Calculator
    • RouteAgg
    • Subnet Breakout
    • Time Zone Converter
    • VSLM
  • 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) AI AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus 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 Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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