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10:42, 5 September 2025 Gyurci08 talk contribs created page Connecting to a Kubernetes Pod for JMX Debugging (Created page with "= Connecting to a Kubernetes Pod for JMX Debugging = This guide provides a comprehensive walkthrough for developers to permanently configure access to a Kubernetes cluster and connect to a Java application for JMX monitoring. This method is suitable for long-term development and debugging needs. The process involves three main stages: # Installing the Kubernetes command-line tool, '''kubectl'''. # Configuring permanent access to the cluster by merging the provided '''k...")
12:08, 4 September 2025 Gyurci08 talk contribs created page Diagnosing Resource Issues in a Kubernetes Cluster (Created page with "== Diagnosing Resource Issues in a Kubernetes Cluster == This guide provides a systematic approach to identifying and diagnosing CPU and memory resource problems within a Kubernetes cluster. It covers checking node and pod resource utilization, from a cluster-wide overview to a detailed analysis of a single node. === 1. Prerequisite: Install the Metrics Server === The <code>kubectl top</code> command is the primary tool for checking real-time resource usage. This comman...")
20:20, 2 September 2025 Gyurci08 talk contribs created page Setting Up a WireGuard Client with Policy-Based Routing on OpenWrt (Created page with "== Setting Up a WireGuard Client with Policy-Based Routing on OpenWrt == This guide outlines how to configure an OpenWrt router to connect to a commercial or private WireGuard VPN as a client and then use Policy-Based Routing (PBR) to selectively route traffic from specific devices on your LAN through the VPN tunnel. This allows some devices to benefit from the VPN while others use the standard, faster WAN connection. === 1. Install Required Packages === First, connect...")
20:17, 2 September 2025 Gyurci08 talk contribs created page Solving VPN-Related Network Timeouts on OpenWrt (Created page with "== Solving VPN-Related Network Timeouts on OpenWrt == This guide documents the diagnosis and resolution of a common network issue: intermittent connection timeouts for specific services when traffic is routed through a VPN tunnel (e.g., WireGuard, ZeroTier) on an OpenWrt router. The root cause is a Path MTU Discovery (PMTUD) black hole, and the solution is to enable TCP MSS Clamping in the firewall. === 1. The Problem: Connection Timeouts and Stalls === The primary symp...")
17:26, 29 August 2025 Gyurci08 talk contribs moved page Monitor Proxmox with Prometheus Exporter on Kubernetes to Monitoring PVE 8 via Prometheus on Kubernetes
13:32, 29 August 2025 Gyurci08 talk contribs created page Monitor Proxmox with Prometheus Exporter on Kubernetes (Created page with "== Monitor Proxmox with Prometheus Exporter on Kubernetes == This guide outlines how to deploy the `prometheus-pve-exporter` to a Kubernetes cluster to monitor a remote Proxmox VE host using a secure API token. This is the recommended authentication method. The process involves a minimal, one-time setup on the Proxmox host and the deployment of a single multi-document YAML file to Kubernetes. === 1. Create a Read-Only User and API Token on Proxmox === The only action re...")
11:08, 29 August 2025 Gyurci08 talk contribs moved page Monitoring a macOS Host with Prometheus Node Exporter to Monitoring a MacOS Host with Prometheus Node Exporter
11:07, 29 August 2025 Gyurci08 talk contribs moved page Create macOS gitlab-runner to Create MacOS gitlab-runner
11:06, 29 August 2025 Gyurci08 talk contribs created page Category:GitLab (Created page with "Category:Automation & Tooling")
10:50, 29 August 2025 Gyurci08 talk contribs created page MacOS Services (Created page with "Category:MacOS == macOS Services (launchd) == === Description === On macOS, `launchd` is the system-wide service manager that starts, stops, and manages daemons and agents. You can interact with it using the `launchctl` command-line tool. Services are defined in two main types: * '''LaunchAgents''': These are executed for a specific user only when that user logs into a graphical session. * '''LaunchDaemons''': These are invoked when the system boots and run indepen...")
10:39, 29 August 2025 Gyurci08 talk contribs created page Monitoring a macOS Host with Prometheus Node Exporter (Created page with "Category:MacOS Category:Prometheus Category:Monitoring = Monitoring a macOS Host with Prometheus Node Exporter = This guide details the process of installing and configuring the Prometheus Node Exporter on a macOS machine, with a focus on filtering out irrelevant filesystems to ensure clean, actionable alerts. The primary challenge when monitoring macOS is handling the numerous OS-managed, virtual, and temporary filesystems that can trigger false positive a...")
15:50, 27 August 2025 Gyurci08 talk contribs created page Category:Snippets & Notes (Created page with " A collection of useful code snippets, commands, configurations, and quick notes that I find helpful.")
15:49, 27 August 2025 Gyurci08 talk contribs created page Category:Projects (Created page with " This category contains documentation about my personal projects, from initial concept to final implementation.")
15:49, 27 August 2025 Gyurci08 talk contribs created page Category:Guides & Tutorials (Created page with " This category contains detailed, step-by-step guides and tutorials designed to help you accomplish a specific task.")
15:45, 27 August 2025 Gyurci08 talk contribs created page Category:Kubernetes (Created page with "Category:Containerization")
15:32, 27 August 2025 Gyurci08 talk contribs created page Category:Enterprise Applications (Created page with " Category:Application & Service Layer")
15:31, 27 August 2025 Gyurci08 talk contribs created page Category:Storage Systems (Created page with " Category:Infrastructure Layer")
15:27, 27 August 2025 Gyurci08 talk contribs moved page Category:SALT to Category:SaltStack without leaving a redirect
15:24, 27 August 2025 Gyurci08 talk contribs created page Category:CI/CD (Created page with "Category:Automation & Tooling")
15:24, 27 August 2025 Gyurci08 talk contribs created page Category:Configuration Management (Created page with "Category:Configuration Management")
15:23, 27 August 2025 Gyurci08 talk contribs created page Category:Observability (Created page with "Category:Automation & Tooling")
15:18, 27 August 2025 Gyurci08 talk contribs deleted page Category:Operating Systems (content was: "Category:OS & System Layer", and the only contributor was "Gyurci08" (talk))
15:15, 27 August 2025 Gyurci08 talk contribs deleted page Category:Embedded OS (content was: "Category:OS & System Layer", and the only contributor was "Gyurci08" (talk))
10:06, 27 August 2025 Gyurci08 talk contribs created page Category:Linux (Created page with "Category:OS & System Layer")
10:03, 27 August 2025 Gyurci08 talk contribs created page Category:Embedded OS (Created page with "Category:OS & System Layer")
09:49, 27 August 2025 Gyurci08 talk contribs created page Category:Application & Service Layer (Created page with "Covers the applications and services we build and manage.")
09:49, 27 August 2025 Gyurci08 talk contribs created page Category:Fundamentals (Created page with "This category contains documentation for cross-cutting concerns and foundational knowledge.")
09:47, 27 August 2025 Gyurci08 talk contribs created page Category:Operating Systems (Created page with "Category:OS & System Layer")
09:47, 27 August 2025 Gyurci08 talk contribs created page Category:Containerization (Created page with "Category:Platform Layer")
09:47, 27 August 2025 Gyurci08 talk contribs created page Category:Proxmox VE (Created page with "Category:Virtualization")
09:46, 27 August 2025 Gyurci08 talk contribs created page Category:Virtualization (Created page with "Category:Infrastructure Layer")
09:45, 27 August 2025 Gyurci08 talk contribs created page Category:Operations & Processes (Created page with "Critical runbooks, procedures, and post-mortems for maintaining system stability.")
09:45, 27 August 2025 Gyurci08 talk contribs created page Category:Automation & Tooling (Created page with "Covers configuration management, monitoring, and other DevOps tools.")