Learning
Tekton Pipelines Across Multiple Clusters
· ☕ 10 min read
1. The Advantages of Multi-Cluster Tekton Builds Thanks to Kubernetes, Tekton already has good elasticity and can support large-scale builds. At the same time, developing Tasks mainly uses Yaml and Shell, which widens the range of scenarios Tekton can adapt to. The figure above is a sketch of Tekton across multiple clusters.

How to Configure NetworkPolicy for NodePort in Kubernetes
· ☕ 7 min read
1. Background As shown above, the business team needs to isolate the services in a namespace, forbidding access from workloads in the bar namespace while allowing users to reach the service through a Load Balancer (LB) via NodePort. It is easy to write a network policy: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 apiVersion: networking.

Distributing Files and Running Scripts on VM Nodes in Kubernetes
· ☕ 9 min read
1. What This Article Mainly Discusses Never build a high tower on shifting sand. Business growth and the evolution of business forms both need solid, powerful IT systems to support them. Business content is transparent to the market, but IT systems cannot be built to perfection overnight. In the future, competition between companies will mainly come from competition between their IT systems, and the ability to respond quickly to business requirements will be the key to winning.

How to Build the istio Project on CentOS 8
· ☕ 5 min read
This article mainly describes how to build the https://github.com/istio/istio project on CentOS 8.2 using local tools. Another approach is to use the BUILD_WITH_CONTAINER parameter to build inside a container, which depends only on make and docker. 1. Install and Upgrade Ruby >= 2.6 Install Ruby 1 yum install -y ruby Check the Ruby version 1 2 3 ruby -v ruby 2.

Installing and Configuring Homebrew on CentOS 7
· ☕ 4 min read
When installing packages on CentOS you usually have to hunt down all sorts of repositories; with Homebrew that hassle goes away. This article uses CentOS 7.6 — other system versions may differ. 1. Create a Non-root User Homebrew refuses to run as root, so a new user has to be created.