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Yearly Archives: 2025

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Fedora GNOME Yubikey LUKS2 Encryption and sudo FIDO2/2FA Authentication

  • Post author:Gökhan
  • Post published:December 18, 2025
  • Reading time:6 mins read
  • Post category:Fedora/FIDO2/Yubikey
  • Post comments:0 Comments

Hello everyone, today, I want to walk through setting up Yubikey authentication in Fedora GNOME. I recently configured this for my Fedora KDE workstation at work, but I find the…

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ArubaOS-CX EVPN VXLAN Configuration (Part 2)

  • Post author:Gökhan
  • Post published:December 13, 2025
  • Reading time:14 mins read
  • Post category:ArubaOS-CX/GNS3/Networking/OSPF/VXLAN
  • Post comments:0 Comments

Hello everyone, this will be a continuation or extension or something similar along those lines :) to the post I made a couple of years ago "ArubaOS-CX Static VXLAN Configuration…

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Extreme Networks Fabric Connect (SPBM/ISIS) configuration

  • Post author:Gökhan
  • Post published:December 10, 2025
  • Reading time:10 mins read
  • Post category:Extreme Networks/VOSS
  • Post comments:0 Comments

Hi everyone, I've been working at a mid-sized hospital for about a year now, and even though I mainly take care of the infrastructure and security side, every now and…

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Active Directory / FreeIPA Trust

  • Post author:Gökhan
  • Post published:November 7, 2025
  • Reading time:4 mins read
  • Post category:FreeIPA/Uncategorized
  • Post comments:0 Comments

Hi there, Today, I want to create a domain trust between FreeIPA and Windows Active Directory. This will be, more or less, a continuation of the "Deploying a Linux/Windows Server…

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Windows Server in-place upgrade using an Eval ISO

  • Post author:Gökhan
  • Post published:August 24, 2025
  • Reading time:2 mins read
  • Post category:Uncategorized
  • Post comments:0 Comments

Hello everyone, a few weeks ago, we needed to upgrade a few Windows Server 2016 servers to Windows Server 2022. Rather than migrating the applications, we wanted to try an…

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Veeam Backup & Replication | SureBackup Configuration

  • Post author:Gökhan
  • Post published:March 29, 2025
  • Reading time:5 mins read
  • Post category:Veeam/VMWare
  • Post comments:0 Comments

Hello there, today, I want to check out the SureBackup feature provided by Veeam Backup & Replication. This allows us to automatically test and verify our Veeam backups. Let's get…

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Windows Security – Part 1 | Managing Local Administrator Passwords with Windows LAPS

  • Post author:Gökhan
  • Post published:March 8, 2025
  • Reading time:6 mins read
  • Post category:Windows Server
  • Post comments:0 Comments

Hello everyone, today I plan to set up Windows LAPS on Windows Server 2025 and test it on a Windows 11 client. We will implement this for the new company…

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Extreme Networks EXOS/Switch Engine Basics

  • Post author:Gökhan
  • Post published:February 2, 2025
  • Reading time:7 mins read
  • Post category:Extreme Networks/Networking
  • Post comments:0 Comments

Hello everyone, and happy new year. A bit late but oh well. It's been a while, but a lot has happened which kept me from posting. Anyway, today I want…

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  • Fedora GNOME Yubikey LUKS2 Encryption and sudo FIDO2/2FA AuthenticationDecember 18, 2025
  • ArubaOS-CX EVPN VXLAN Configuration (Part 2)December 13, 2025
  • Extreme Networks Fabric Connect (SPBM/ISIS) configurationDecember 10, 2025
  • Active Directory / FreeIPA TrustNovember 7, 2025

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