Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Powershell – Find All AD Integrated DNS Servers

    $dnsServers = (Resolve-DnsName -Name e-ins.net -Type NS).NameHost Resolve-DnsName -Name _ldap._tcp.dc._msdcs.e-ins.net -Type SRV | Where-Object {$_.NameTarget -in $dnsServers}  ...
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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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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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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 – 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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CodeServers

Powershell – Find FSMO Roles

To find the Flexible Single Master Operations (FSMO) roles in an Active Directory (AD) environment using PowerShell, you can use...
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Powershell – Get Domain Admins

Get-ADGroupMember "Domain ADmins" | Get-AdUser -Property LastLogonDate | select name,distinguishedName,LastLogonDate...
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Python – Check HTTPS Status Codes

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script searches a text file "dr-dns.txt" for FQDNs, checks the...
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Python – Convert Timezone from EST to UTC

When looking at logs, they are usually UTC. This script helps convert the time zone from EST to UTC &...
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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
  • Tools
    • Car Calculator
    • RouteAgg
    • IP Calculator
    • 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) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack 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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