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Generating an `ed25519-sk` SSH Key with a YubiKey

OpenSSH

Workflow: Generating an ed25519-sk SSH Key with a YubiKey FIDO2-backed SSH key. The private key n...

Updated 2 weeks ago by Oliver Karger

Installation on Debian 13

Samba4 Directory

This expects a freshly installed Debian 13 (trixie) VM. Not an LXC container. Debian 13 ships Sa...

Updated 3 weeks ago by Oliver Karger

Create Application Database

PostgreSQL

Creating a Postgres Database for an Application (CLI) Option 1: DBA creates the database directly...

Updated 1 month ago by Oliver Karger

Reset Admin Password

PostgreSQL pgadmin4

List Users sudo /usr/pgadmin4/venv/bin/python3 /usr/pgadmin4/web/setup.py get-users Set Password...

Updated 1 month ago by Oliver Karger

Installation & Setup of OIKB

OpenWebUI

1. Prerequisites Python 3.10 or newer OpenWebUI 0.9.6 or newer Bookstack v25 or newer 2. Instal...

Updated 1 month ago by Oliver Karger

Access Instance by Port

PostgreSQL

1. Identify Instance Port pg_lsclusters root@db-psql-prd-01:~# pg_lsclusters Ver Cluster Port St...

Updated 1 month ago by Oliver Karger

Create Smartcard-based PGP Key

OpenPGP

Requirements OpenPGP-compatible Hardware Security Key (Example: YubiKey 5(C)) GnuPG CLI installe...

Updated 1 month ago by Oliver Karger

Import/Export with GUI

FortiClient Configuration

Importing VPN Configuration Launch “FortiClient” after installing Click on the “Cog” Icon in ...

Updated 1 month ago by Oliver Karger

FortiClient installation

FortiClient Installation

Install FortiClient Download latest FortiClient Release from https://www.fortinet.com/de/support...

Updated 1 month ago by Oliver Karger

Enable Debug Logging

FortiClient Debugging

Open FortiClient Click the “Cog” Icon in the top right corner 3. Click on the “Lock” Icon...

Updated 1 month ago by Oliver Karger

Import/Export with CLI

FortiClient Configuration

Documented with FortiClient VPN-only 7.4.3.X Import Configuration with CLI Windows Command Line...

Updated 1 month ago by Oliver Karger

SSL-VPN on custom Interface

FortiGate

This explains how to setup the SSL-VPN on a FortiGate (E-Series) on a Custom Interface for better...

Updated 1 month ago by Oliver Karger

SSO with Keycloak

FortiGate

Requirements FortiGate with at least FortiOS 7.X Keycloak (26.X ideally) This has been tes...

Updated 2 months ago by Oliver Karger

Active Directory (AD) Federation

Keycloak

Requirements Keycloak 26.X installation Active Directory Domain Controller with Port 389/636 ...

Updated 2 months ago by Oliver Karger

Performance Optimization

PlanetSide 2

Windows Settings Game Mode Windows 11 introduced "Game Mode" that is supposed to optimize Sched...

Updated 3 months ago by Oliver Karger

IKEv2 VPN

FortiGate

General Use IKEv2 VPN for FortiClient FortiGate Configuration Phase 1 edit "VPN-RA-FC" se...

Updated 5 months ago by Oliver Karger

Bypass MS Account on Windows 11 Setup

Utilities

The current Solution with oobe\bypassnro is not working anymore with the latest Windows 11 ISO Im...

Updated 6 months ago by Oliver Karger

ASIC Offloading & VoIP Quality Issues

FortiGate

Problem Description Real-time VoIP applications (Discord, Teams, Zoom) exhibit high latency (>20...

Updated 6 months ago by Oliver Karger

Migrate MIME-Types

Nextcloud

Error / Warning Pattern Eine oder mehrere MIME-Type-Migrationen sind verfügbar. Gelegentlich wer...

Updated 6 months ago by Oliver Karger

Add missing Indices

Nextcloud

Error / Warning Pattern Einige fehlende optionale Indizes wurden erkannt. Gelegentlich werden ne...

Updated 6 months ago by Oliver Karger