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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 SetupHarbor 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 ClusterKubernetes 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 SetupMinIO 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 SetupPostgres 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 SetupRancher Deployment
Adjust hostnames, image addresses, data paths, ports, networks, and bootstrap credentials to match your own environment before deploying Rancher.
2 min read Docker DeploymentInstall Docker and Docker Compose on Ubuntu
Step-by-step guidance for installing the Docker Engine on Ubuntu using Docker Compose.
4 min read Docker DeploymentDocker 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 ClusterPod 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 BasicsLinux 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 ClusterKubernetes Core Components and How They Work
See how the apiserver, scheduler, controller manager, and kubelet fit together.
9 min read Kubernetes ClusterGetting Started with Kubernetes Cluster Deployment
Understand Kubernetes clusters by starting from the control plane, nodes, and networking.
11 min read Docker DeploymentDocker Deployment Practice: From Local Run to Service Release
Connect local runtime, image publishing, and service startup into one release path.
12 min read Docker DeploymentDocker Basics: Installation, Images, and Containers
Understand the boundary between images and containers to support real delivery work.
10 min read Linux BasicsLinux Basics: Files, Directories, and Common Commands
Build a practical mental model for Linux by mastering paths, directories, and daily commands first.
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