Search

Use keywords and series filters to move through the archive quickly

Showing all 15 posts.

Service Setup

Elasticsearch Cluster and VIP Setup

Prepare the hosts, kernel parameters, Keepalived VIP, and per-node Docker Compose files first, then start and verify the Elasticsearch cluster.

6 min read
Service Setup

Harbor Deployment

Adjust the image address, data path, ports, passwords, and memory settings to match your environment before bringing the service up with Docker Compose.

4 min read
Kubernetes Cluster

Kubernetes Single-Node Deployment

Prepare the hosts, install containerd and runtime dependencies, bootstrap Kubernetes with kubeadm, and then bring the cluster network online.

13 min read
Service Setup

MinIO Single-Node Deployment

Prepare the image, working directory, ports, and health checks first, then bring up a single-node MinIO instance with Docker Compose.

2 min read
Service Setup

Postgres Cluster Deployment

Prepare the primary and standby directories, replication user, pg hba rules, and Docker Compose files first, then validate replication from both sides.

5 min read
Service Setup

Rancher Deployment

Adjust hostnames, image addresses, data paths, ports, networks, and bootstrap credentials to match your own environment before deploying Rancher.

2 min read
Docker Deployment

Install Docker and Docker Compose on Ubuntu

Step-by-step guidance for installing the Docker Engine on Ubuntu using Docker Compose.

4 min read
Docker Deployment

Docker Image Tag Strategy: Stop Releasing with Only latest

Use version tags, Git SHAs, and a fixed release order to make container delivery traceable and reversible.

8 min read
Kubernetes Cluster

Pod vs Deployment in Kubernetes: When to Inspect Pods and When to Change Deployments

Understand that Pods are running instances while Deployments define the desired state, so release and debugging work target the right object.

9 min read
Linux Basics

Linux Permissions and Users: Understand chmod, chown, and Permission Denied

Put users, groups, permission bits, and the basic troubleshooting order into one model so Permission denied stops being guesswork.

9 min read
Kubernetes Cluster

Kubernetes Core Components and How They Work

See how the apiserver, scheduler, controller manager, and kubelet fit together.

9 min read
Kubernetes Cluster

Getting Started with Kubernetes Cluster Deployment

Understand Kubernetes clusters by starting from the control plane, nodes, and networking.

11 min read
Docker Deployment

Docker Deployment Practice: From Local Run to Service Release

Connect local runtime, image publishing, and service startup into one release path.

12 min read
Docker Deployment

Docker Basics: Installation, Images, and Containers

Understand the boundary between images and containers to support real delivery work.

10 min read
Linux Basics

Linux Basics: Files, Directories, and Common Commands

Build a practical mental model for Linux by mastering paths, directories, and daily commands first.

8 min read