Rancher 2.5.7-2.5.8 Documentation
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Troubleshooting

来源 1 浏览 366 扫码 打印 2021-06-28 21:23:36

    • Steps to troubleshoot networking issues can be found here.

    • DNS

    • If you experience issues with your Rancher server installed on Kubernetes

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    • Troubleshooting
      • Registered clusters
      • Kubernetes Components
        • Troubleshooting nginx-proxy
        • Troubleshooting Worker Nodes and Generic Components
        • Troubleshooting etcd Nodes
        • Troubleshooting Controlplane Nodes
      • Rancher HA
      • Kubernetes resources
      • Logging
      • DNS
      • Networking
    • Overview
      • Architecture Recommendations
      • Architecture
      • Kubernetes Concepts
    • Kubernetes Resources
      • Kubernetes Registry and Docker Registry
      • Kubernetes Workloads and Pods
        • Rolling Back Workloads
        • Deploying Workloads
        • Upgrading Workloads
        • Adding a Sidecar
      • Secrets
      • Encrypting HTTP Communication
      • Service Discovery
      • ConfigMaps
      • The Horizontal Pod Autoscaler
        • Testing HPAs with kubectl
        • Managing HPAs with the Rancher UI
        • Managing HPAs with kubectl
        • Background Information on HPAs
      • Set Up Load Balancer and Ingress Controller within Rancher
        • Layer 4 and Layer 7 Load Balancing
        • Adding Ingresses to Your Project
    • Cluster Administration
      • Cluster Autoscaler
        • Cluster Autoscaler with AWS EC2 Auto Scaling Groups
      • Cluster Configuration
        • GKE Cluster Configuration
          • Private Clusters
        • Syncing
        • RKE Cluster Configuration
        • EKS Cluster Configuration
      • Certificate Rotation
      • Upgrading and Rolling Back Kubernetes
      • Adding a Pod Security Policy
      • Cloning Clusters
      • Nodes and Node Pools
      • Kubernetes Persistent Storage: Volumes and Storage Classes
        • GlusterFS Volumes
        • How Persistent Storage Works
        • Using an External Ceph Driver
        • Provisioning Storage Examples
          • Creating Persistent Storage in Amazon’s EBS
          • NFS Storage
          • vSphere Storage
        • iSCSI Volumes
        • Dynamically Provisioning New Storage in Rancher
        • Setting up Existing Storage
      • Projects and Kubernetes Namespaces with Rancher
      • Restoring a Cluster from Backup
      • Tools for Logging, Monitoring, and Visibility
      • Backing up a Cluster
      • Removing Kubernetes Components from Nodes
      • Cluster Access
        • Adding Users to Clusters
        • Access a Cluster with Kubectl and kubeconfig
        • How the Authorized Cluster Endpoint Works
    • Installing/Upgrading Rancher
      • Other Installation Methods
        • Installing Rancher on a Single Node Using Docker
          • Certificate Troubleshooting
          • Rolling Back Rancher Installed with Docker
          • Advanced Options for Docker Installs
          • Upgrading Rancher Installed with Docker
          • HTTP Proxy Configuration
        • Installing Rancher behind an HTTP Proxy
          • 2. Install Kubernetes
          • 3. Install Rancher
          • 1. Set up Infrastructure
        • Air Gapped Helm CLI Install
          • 4. Install Rancher
            • Docker Install Commands
          • 3. Install Kubernetes (Skip for Docker Installs)
          • 2. Collect and Publish Images to your Private Registry
          • 1. Set up Infrastructure and Private Registry
        • Install/Upgrade Rancher with RancherD
          • Upgrades
          • RancherD Configuration Reference
          • Rollbacks
      • Install/Upgrade Rancher on a Kubernetes Cluster
        • Rollbacks
        • Rancher Helm Chart Options
        • Amazon EKS
        • GKE
        • Upgrades
          • Air Gap Upgrade
        • AKS
      • Installation Requirements
        • Port Requirements
        • Installing Docker
      • Resources
        • Troubleshooting the Rancher Server Kubernetes Cluster
        • TLS Settings
        • Helm Version Requirements
        • Choosing a Rancher Version
        • Advanced
          • Opening Ports with firewalld
          • Enabling the API Audit Log to Record System Events
          • Docker Install with TLS Termination at Layer-7 NGINX Load Balancer
          • Tuning etcd for Large Installations
          • Running on ARM64 (Experimental)
        • Upgrading Cert-Manager
          • Upgrading Cert-Manager with Helm 2
        • Enabling Experimental Features
          • UI for Istio Virtual Services and Destination Rules
          • Allow Unsupported Storage Drivers
        • Rancher Helm Chart Options
        • Updating a Private CA Certificate
        • Installing Docker
        • Setting up Local System Charts for Air Gapped Installations
        • About Custom CA Root Certificates
        • Adding TLS Secrets
        • Don’t have a Kubernetes cluster? Try one of these tutorials.
          • Set up RKE2 for Rancher
          • Set up RKE Kubernetes
          • About High-availability Installations
          • Set up K3s for Rancher
          • Infrastructure Tutorials
            • Setting up Nodes in Amazon EC2
            • Set up Infrastructure for a High Availability RKE2 Kubernetes Cluster
            • Setting up Amazon ELB Network Load Balancer
            • Set up Infrastructure for a High Availability K3s Kubernetes Cluster
            • Setting up a MySQL Database in Amazon RDS
            • Set up Infrastructure for a High Availability RKE Kubernetes Cluster
            • Setting up an NGINX Load Balancer
    • Backups and Disaster Recovery
      • Examples
      • Restoring Rancher
      • Configuration
        • Backup
        • Restore
        • Storage
      • Migrating Rancher to a New Cluster
      • Backing up Rancher
      • Docker Installs
        • Restores
        • Backups
    • Pipelines
      • Configuring Persistent Data for Pipeline Components
      • Example YAML File
      • Concepts
      • Pipeline Configuration Reference
      • Example Repositories
    • Best Practices Guide
      • Rancher Server
        • Tips for Running Rancher
        • Rancher Deployment Strategy
        • On-Premises Rancher in vSphere
      • Rancher Managed Clusters
        • Monitoring Best Practices
        • Rancher Managed Clusters in vSphere
        • Logging Best Practices
        • Tips for Setting Up Containers
    • Istio
      • Release Notes
      • CPU and Memory Allocations
      • Disabling Istio
      • Configuration Options
        • Enable Istio with Pod Security Policies
        • Additional Steps for Installing Istio on an RKE2 Cluster
        • Selectors and Scrape Configs
        • Additional Steps for Project Network Isolation
      • Setup Guide
        • 4. Set up the Istio Gateway
        • 1. Enable Istio in the Cluster
        • 5. Set up Istio’s Components for Traffic Management
        • 2. Enable Istio in a Namespace
        • 6. Generate and View Traffic
        • 3. Add Deployments and Services with the Istio Sidecar
      • Role-based Access Control
    • Authentication, Permissions and Global Configuration
      • Role-Based Access Control (RBAC)
        • Global Permissions
        • Locked Roles
        • Cluster and Project Roles
        • Custom Roles
      • Upgrading Kubernetes without Upgrading Rancher
      • Configuring a Global Default Private Registry
      • Provisioning Drivers
        • Node Drivers
        • Cluster Drivers
      • RKE Templates
        • Template Enforcement
        • Creating and Revising Templates
        • Example YAML
        • Example Scenarios
        • RKE Templates and Infrastructure
        • Access and Sharing
        • Template Creator Permissions
        • Overriding Template Settings
        • Applying Templates
      • Pod Security Policies
      • Authentication
        • Configuring Keycloak (SAML)
        • Users and Groups
        • Configuring Active Directory (AD)
        • Configuring Google OAuth
        • Configuring OpenLDAP
          • OpenLDAP Configuration Reference
        • Configuring FreeIPA
        • Local Authentication
        • Configuring GitHub
        • Configuring Shibboleth (SAML)
          • Group Permissions with Shibboleth and OpenLDAP
        • Configuring Azure AD
        • Configuring Okta (SAML)
        • Configuring Microsoft Active Directory Federation Service (SAML)
          • 1. Configuring Microsoft AD FS for Rancher
          • 2. Configuring Rancher for Microsoft AD FS
        • Configuring PingIdentity (SAML)
    • Project Administration
      • Namespaces
      • Pod Security Policies
      • Adding Users to Projects
      • Tools for Logging, Monitoring, and Visibility
      • Rancher’s CI/CD Pipelines
      • Project Resource Quotas
        • Setting Container Default Resource Limits
        • How Resource Quotas Work in Rancher Projects
        • Overriding the Default Limit for a Namespace
        • Resource Quota Type Reference
    • System Tools
    • Monitoring/Alerting
      • Persistent Grafana Dashboards
      • Migrating to Rancher v2.5 Monitoring
      • Configuration
        • PrometheusRules
        • Prometheus Expressions
        • Alertmanager
      • Windows Clusters
      • RBAC
    • Deploying Applications across Clusters
      • Fleet - GitOps at Scale
        • Using Fleet Behind a Proxy
      • Multi-cluster Apps
    • Longhorn Storage
    • Using the Rancher Command Line Interface
    • OPA Gatekeeper
    • Security
      • Rancher v2.5 Guides
        • Hardening Guide with CIS 1.5 Benchmark
        • CIS 1.6 Benchmark - Self-Assessment Guide - Rancher v2.5.4
        • CIS 1.5 Benchmark - Self-Assessment Guide - Rancher v2.5
        • Hardening Guide with CIS 1.6 Benchmark
      • SELinux RPM
      • Rancher CVEs and Resolutions
      • Security Scans
    • Helm Charts in Rancher
    • User Settings
      • Managing Node Templates
      • Managing Cloud Credentials
      • User Preferences
      • API Keys
    • API
      • API Tokens
    • Logging
      • Architecture
      • Migrating to Rancher v2.5 Logging
      • Working with Taints and Tolerations
      • Helm Chart Options
      • Custom Resource Configuration
        • Flows and ClusterFlows
        • Outputs and ClusterOutputs
      • Role-based Access Control
    • CIS Scans
      • Skipped and Not Applicable Tests
      • Configuration
      • Creating a Custom Benchmark Version for Running a Cluster Scan
      • RBAC
    • Contributing to Rancher
    • FAQ
      • Security
      • Technical
      • Telemetry
      • Rancher is No Longer Needed
      • Deprecated Features in Rancher v2.5
      • Networking
        • Container Network Interface (CNI) Providers
      • Installing and Configuring kubectl
    • Rancher Deployment Quick Start Guides
      • CLI with Rancher
      • Deploying Rancher Server
        • Rancher GCP Quick Start Guide
        • Rancher Azure Quick Start Guide
        • Rancher DigitalOcean Quick Start Guide
        • Rancher AWS Quick Start Guide
        • Vagrant Quick Start
        • Manual Quick Start
      • Deploying Workloads
        • Workload with Ingress Quick Start
        • Workload with NodePort Quick Start
    • Setting up Kubernetes Clusters in Rancher
      • Registering Existing Clusters
      • Launching Kubernetes with Rancher
        • Setting up Cloud Providers
          • Setting up the vSphere Cloud Provider
            • In-tree Cloud Provider
            • Out-of-tree Cloud Provider
              • Migrating vSphere In-tree Volumes to CSI
          • Setting up the Amazon Cloud Provider
          • Setting up the Azure Cloud Provider
          • Setting up the Google Compute Engine Cloud Provider
        • Rancher Agents
        • Launching Kubernetes on New Nodes in an Infrastructure Provider
          • Amazon EC2
            • EC2 Node Template Configuration
          • DigitalOcean
            • DigitalOcean Node Template Configuration
          • vSphere
            • Creating Credentials in the vSphere Console
            • VSphere Node Template Configuration
            • Provisioning Kubernetes Clusters in vSphere
          • Azure
            • Azure Node Template Configuration
        • Launching Kubernetes on Windows Clusters
          • Networking Requirements for Host Gateway (L2bridge)
          • Configuration for Storage Classes in Azure
          • Windows and Linux Cluster Feature Parity
        • Launching Kubernetes on Existing Custom Nodes
          • Rancher Agent Options
        • RKE Cluster Configuration Reference
          • Assigning Pod Security Policies
      • Node Requirements for Rancher Managed Clusters
      • Setting up Clusters from Hosted Kubernetes Providers
        • Alibaba Cloud Container Service for Kubernetes
        • Huawei Cloud Kubernetes Service
        • Azure Kubernetes Service
        • Amazon EKS
          • Minimum EKS Permissions
        • Google Kubernetes Engine
        • Tencent Kubernetes Engine
      • Checklist for Production-Ready Clusters
        • Recommended Cluster Architecture
        • Roles for Nodes in Kubernetes
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