Task 0: Install a ubuntu 16.04 server 64-bit

tools: virtualBox 6.0

ubuntu image: http://releases.ubuntu.com/16.04/ubuntu-16.04.6-server-amd64.iso

refer to: https://www.wikihow.com/Install-Ubuntu-on-VirtualBox

proxy: http://www-proxy.ericsson.se:8080/

ubuntu： ip addr : 10.0.2.15

vb configure port：

     HostIP     hostPort           CuestIP GuestPort
     
    127.0.0.1   2222             10.0.2.15     22
    
    127.0.0.1   8080             10.0.2.15     80
    
    127.0.0.1   8081             10.0.2.15     8081
    
    127.0.0.1   8082             10.0.2.15     8082
    
    127.0.0.1   31080             10.0.2.15     31080
    
    127.0.0.1   31081             10.0.2.15     31081

Task 1: Update system

install git (version 2.24.1) in windows

ssh [email protected] -p 2222

update the system to the latest, upgrade the kernel to the 16.04 4.11.2

refer to: https://www.howtoforge.com/tutorial/how-to-upgrade-linux-kernel-in-ubuntu-1604-server/

Step 1 - Update Ubuntu Repository and Upgrade all Packages ssh [email protected] -p 2222 sudo -i apt update apt upgrade -y reboot ssh [email protected] -p 2222 sudo apt list --upgradeable

Step 2 - Checking the Active Kernel Version #uname -msr Linux 4.4.0-170-generic x86_64

Step 3 - Install New Kernel Version sudo mkdir -p ~/4.11.2 cd ~/4.11.2 path: find latest : https://kernel.ubuntu.com/~kernel-ppa/mainline/

set proxy： export http_proxy=http://xxx

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11.2/linux-headers-4.11.2-041102_4.11.2-041102.201705201036_all.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11.2/linux-headers-4.11.2-041102-generic_4.11.2-041102.201705201036_amd64.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11.2/linux-image-4.11.2-041102-generic_4.11.2-041102.201705201036_amd64.deb

dpkg -i *.deb sudo update-grub sudo reboot ssh [email protected] -p 2222 $ uname -msr Linux 4.11.2-041102-generic x86_64

Task 2: install gitlab-ce version in the host

refer to: https://about.gitlab.com/install/#ubuntu

1. Install and configure the necessary dependencies $sudo apt-get install -y curl openssh-server ca-certificates
2. Add the GitLab package repository and install the package $curl -sS https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.deb.sh | sudo bash $sudo EXTERNAL_URL="http://127.0.0.1" apt-get install gitlab-ee

Task 3: create a demo group/project in gitlab

http://127.0.0.1:8080/demo/go-web-hello-world #apt install golang #apt install git #mkdir -p $HOME/go/src/hello #export GOPATH=$HOME/go #git clone http://127.0.0.1/demo/go-web-hello-world.git #cd go-web-hello-world #vi main.go #go build #ls #./go-web-hello-world verify: http://127.0.0.1:8081/ git add main.go git status git commit git push origin master

Task 4: build the app and expose ($ go run) the service to 8081 port

$ curl http://127.0.0.1:8081 Hello World

Task 5: install docker

refer to:https://docs.docker.com/install/linux/docker-ce/ubuntu/ #sudo apt-get update #sudo apt-get install
apt-transport-https
ca-certificates
curl
gnupg-agent
software-properties-common #curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - #sudo add-apt-repository
"deb [arch=amd64] https://download.docker.com/linux/ubuntu
$(lsb_release -cs)
stable" #sudo apt-get update #sudo apt-cache madison docker-ce docker-ce-cli #sudo apt install docker-ce=5:18.09.93-0ubuntu-xenial docker-ce-cli=5:18.09.93-0ubuntu-xenial #docker version Task 6: run the app in container root@ubuntu:/home/emiosun/go-web-hello-world# docker build . #docker build -t go-web-hello-world . #docker images #docker run -p 8083:8081 -it --rm --name run-web-hello-world go-web-hello-world can access: http://127.0.0.1:8083

root@ubuntu:/home/emiosun# curl http://127.0.0.1:8083

Hello World

Task 7: push image to dockerhub docker tag go-web-hello-world:latest amysunm/go-web-hello-world:v0.1 docker login docker push amysunm/go-web-hello-world:v0.1 access : https://hub.docker.com/repository/docker/amysunm/go-web-hello-world

Task 12: generate token for dashboard login in task 11 refer to: https://github.com/kubernetes/dashboard/blob/master/docs/user/access-control/creating-sample-user.md

Create Service Account

Create ClusterRoleBinding

Bearer Token

$kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep admin-user | awk '{print $1}')