<<TableOfContents(2)>>

= wsl =
Windows Subsystem for Linux

== Install docker in wsl ubuntu 20.04.6 LTS ==
{{{#!highlight sh
sudo apt install apt-transport-https ca-certificates curl gnupg lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io
sudo usermod -aG docker $USER
sudo service docker start
docker run hello-world
sudo apt install net-tools
docker pull vbodocker/cherrypy-test
docker run --rm --name ctest -P -d vbodocker/cherrypy-test   
docker stop ctest
docker system prune -a
docker run --detach --name some-mariadb --env MARIADB_USER=example-user --env MARIADB_PASSWORD=my_cool_secret --env MARIADB_ROOT_PASSWORD=my-secret-pw  mariadb:latest
docker exec -it some-mariadb bash
}}}

== Install k3s ==
{{{#!highlight sh
curl -sfL https://get.k3s.io | sh -
sudo k3s server > /tmp/k3s.log  2>&1 &
sudo chmod 644 /etc/rancher/k3s/k3s.yaml
kubectl get node
}}}

== Run cherrypy-test in k3s ==
{{{#!highlight sh
cd ~
git clone https://github.com/vborrego/cherrypy-test.git
cd cherrypy-test/
cat README.md
kubectl apply -f cherrypy-test-deployment.yaml
curl $(kubectl get services | grep cherry | awk '//{print $3}'):8080
kubectl get services
kubectl get deployment
cat cherrypy-test-deployment.yaml
kubectl delete -f cherrypy-test-deployment.yaml
}}}

== Certificate issue ==
Unable to connect to the server: x509: certificate has expired or is not yet valid: current time 2023-12-12T22:48:20Z is after 2023-05-17T21:01:11Z

{{{#!highlight sh
sudo rm /var/lib/rancher/k3s/server/tls/dynamic-cert.json
sudo kubectl --insecure-skip-tls-verify=true delete secret -n kube-system k3s-serving
kill <k3s pid>
sudo k3s server > /tmp/k3s.log  2>&1 &  
sudo chmod 644 /etc/rancher/k3s/k3s.yaml
kubectl get pods
}}}

== Install debian in WSL ==
{{{#!highlight sh 
wsl --install -d Debian
#Installing, this may take a few minutes...
#Please create a default UNIX user account. The username does not need to match your Windows username.
#For more information visit: https://aka.ms/wslusers
#Enter new UNIX username: wsl
#New password:
#Retype new password:
#passwd: password updated successfully
#Installation successful!
wsl -d debian 
}}}

{{{#!highlight sh 
sudo apt update 	
sudo apt upgrade 
sudo apt install ca-certificates curl gnupg lsb-release apt-transport-https podman 
lsb_release -a 
sudo apt autoremove 
podman run hello-world
curl -sfL https://get.k3s.io | sh -
sudo k3s server > /tmp/k3s.log 2>&1 &
sudo dd if=/dev/zero of=/swapfile1 bs=1024 count=4194304 
sudo chown root:root /swapfile1
sudo /sbin/mkswap /swapfile1
sudo /sbin/swapon /swapfile1
sudo chmod 0600 /swapfile1
sudo update-alternatives --config iptables
#  1            /usr/sbin/iptables-legacy   10        manual mode
sudo k3s server > /tmp/k3s.log 2>&1 &
sudo chmod 644 /etc/rancher/k3s/k3s.yaml 
kubectl get pods 
sudo apt install openjdk-17-jdk
sudo apt install nodejs 
kubectl get node 
cd ~
sudo apt install git 
git clone https://github.com/vborrego/cherrypy-test.git 
cd cherrypy-test/
kubectl apply -f cherrypy-test-deployment.yaml
curl $(kubectl get services | grep cherry | awk '//{print $3}'):8080
kubectl get deployments
kubectl get pods
kubectl logs cherrypy-test-7ddf49f4b6-b7lft
}}}