How to Configure RAG with Ollama and Open WebUI on Linux
Configure RAG with Ollama and Open WebUI using nomic-embed-text, create a knowledge base, index documents, and improve local LLM responses.
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OpenVPN on Windows Server 2025: Setup, NAT and Routing
Learn how to install and configure OpenVPN on Windows Server 2025, create client certificates, and enable NAT and LAN routing with RRAS.
Install Open WebUI with Ollama on Debian | Local LLM GUI
Learn how to install Open WebUI with Ollama on Debian using Docker, connect local LLMs, create users, manage model access, and secure remote access.
Install Ollama on Debian and Run a Local LLM
Learn how to install Ollama on Debian, configure NVIDIA drivers, and run local LLM models like Llama 3.2 and Mistral from the command line.
Monitor Cisco Firepower FTD with Elastic Fleet
Step-by-step guide to monitor Cisco Firepower FTD firewall logs with Elastic Fleet, Elastic Agent, syslog and Kibana dashboards.
Elastic 9 | Delete indices and data streams from CLI
Delete Elasticsearch indices from the CLI in Elastic 9 and fix the data stream write index cannot be deleted error.
BitLocker Auto-Unlock: A Real-World Recovery Case
A real-world BitLocker recovery case where the Windows partition could not be mounted from Linux but was automatically unlocked from the Windows recovery environment.
Install Elastic Agent on Windows with Fleet | Elastic Stack Monitoring
Learn how to install Elastic Agent on Windows servers with Fleet Server, add the Windows integration in Kibana, and monitor Windows events with Elastic Stack dashboards.
Configure VLAN Trunk on a Hyper-V VM | Linux Router Setup
Configure a VLAN trunk on a Hyper-V virtual machine using PowerShell, with a Linux router VM example and VLAN 10 network adapter setup.
Elastic Stack 9: Monitor Cisco Switch Syslog with Logstash and Kibana
Learn how to install and configure Logstash in Elastic Stack 9 to collect, parse and visualize Cisco switch syslog data with Elasticsearch and Kibana on Debian Linux.
iproute2 Dual WAN Routing on Debian: VLAN & Policy-Based Routing Guide
Learn how to configure dual WAN routing on Debian using iproute2. Step-by-step guide with VLANs, policy-based routing, and real-world examples.
Sway Multi-Monitor Setup on Wayland (Extended Display Guide)
Learn how to configure a multi-monitor setup in Sway on Wayland. Step-by-step guide to identify outputs, set resolutions, and enable extended display mode.
How to Improve WiFi Performance: Channels, Bands and Best Practices
Learn how to improve WiFi performance with practical tips on channel selection, frequency bands (2.4GHz, 5GHz, 6GHz), signal strength, and access point optimization for reliable wireless networks.
How to Install Icinga2 on Debian 13 – Step-by-Step Monitoring Setup
Learn how to install Icinga2 on Debian 13 with PostgreSQL and Icinga Web 2. Step-by-step guide for a complete monitoring setup.
Rclone SFTP File Synchronization | Secure Bisync Between Computers
Learn how to securely synchronize files between multiple computers using Rclone and SFTP. Step-by-step guide with bisync configuration and automation tips.