setup

Setup k8s worker node on Ubuntu 20.04

What I did Install k8s worker node on Ubuntu 20.04 VM server. Most parts are similar to master node installation instruction. Environments Ubuntu 20.04 Requirement 2 CPU required. sudo swapoff -a Install Docker sudo apt update sudo apt install -y docker.io sudo systemctl enable docker Set up worker node Network configuration before installing https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/#check-required-ports Change kernel parameters and open ports for master node. cat <<EOF | sudo tee /etc/sysctl.

Setup k8s master node on Ubuntu 20.04 + Dashboard

What I did Install k8s master node on Ubuntu 20.04 VM server. Environments Ubuntu 20.04 Requirement 2 CPU required. sudo swapoff -a Install Docker sudo apt update sudo apt install -y docker.io sudo systemctl enable docker Set up master node Network configuration before installing https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/#check-required-ports Change kernel parameters and open ports for master node. cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 EOF sudo sysctl --system sudo modprobe br_netfilter sudo ufw allow 8080/tcp #Kubernetes API Server sudo ufw allow 64430:64439/tcp #Kubernetes API Server sudo ufw allow 2379:2380/tcp #etcd server client API sudo ufw allow 10250/tcp #Kublet API sudo ufw allow 10251/tcp #kube-scheduler sudo ufw allow 10252/tcp # kube-controller-manager sudo ufw allow 6443/tcp #Kubernetes API server Install k8s I use kubenetes-xenial in focal, but as of 2020/09/17 and 2020/06/01 I can’t find any issue.

Gitlab community edition - Install and update (on-premise)

Install GitLab with apt (official way as of 2020/08/11) sudo apt update sudo apt upgrade -y sudo apt-get install -y curl openssh-server ca-certificates tzdata sudo apt install -y postfix curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | sudo bash sudo EXTERNAL_URL="https://{{ your_GitLab_server_domain }}" apt install gitlab-ce ## If you are using internal purpose and use your own domain, auto SSL configuration (ACME) would fail. ## Then, try http (not https) like below. ## sudo EXTERNAL_URL="http://{{ your_GitLab_server_domain }}" apt install gitlab-ce Configure TLS Create TLS self-sign CA certificate.

Use a theme - Learn

The theme - Learn https://themes.gohugo.io/hugo-theme-learn/ When is it good? Write about a theme. hugo new site spec_page cd spec_page git init git submodule add https://github.com/matcornic/hugo-theme-learn.git themes/hugo-theme-learn echo "theme = \"hugo-theme-learn\"" >> config.toml hugo new general/test.md Memo: Your personal page https://github.com/gcushen/hugo-academic