Kerry CorderoKISS IT Design Principle - Human Error Prevention
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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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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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Python – Scan FQDNs and Tell you the Location of the Resolved IPs

Site A: 10.10.10. Site B: 20.20.20. You want to change 10.10.10. and 20.20.20. to the subnets you use. # Author:...
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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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MacOS shebang for Bash Scripts

This will allow you to run Bash scripts from ZSH by just doing ./{script}. Shebang – From the CLI, add...
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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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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Evaluating IT Network Costs: OpEx, CapEx, and TCO

Cost consideration is an essential aspect when designing and implementing network architecture. Here, we delve into the three primary components...
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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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Common HTTP Response Codes

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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

  • 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 LAG 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 TCP TLS Troubleshooting Upgrade VMWare
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