xiaoruiguo

apiVersion: v1
kind: ServiceAccount
metadata:
  name: external-dns
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: external-dns
rules:

xiaoruiguo

plugins:
  Devops-continens/Prow-tutorial: 
  - size
  - welcome
  - owners-label
  - wip
  - cat # /meow
  - dog # /woof
  - pony # /pony
  - yuks # /joke

xiaoruiguo

# define your server name and upstream IP:PORT
upstream jenkins {
  keepalive 32; # keepalive connections
  server 192.168.122.250:8080; # jenkins ip and port
}
 

server {
  listen 80;
  listen [::]:80;

xiaoruiguo

# for google jenkins package
helm repo add stable https://kubernetes-charts.storage.googleapis.com
helm repo update
helm install jenkins stable/jenkins
kubectl get secret --namespace default jenkins -o jsonpath="{.data.jenkins-admin-password}" | base64 --decode
edit service/jenkins

# for bitnami jenkins package
helm install jenkins bitnami/jenkins
kubectl get secret --namespace default jenkins -o jsonpath="{.data.jenkins-password}" | base64 --decode

xiaoruiguo

sudo apt install snapd # only if snap isn't installed already
sudo snap install microk8s --classic
sudo usermod -a -G microk8s rkamradt # log out and back in to take effect
microk8s.status --wait-ready
microk8s.enable cilium dns metallb registry storage

xiaoruiguo

sudo apt install mailutils # choose internet site and your domain name
sudo vi /etc/postfix/main.cf
*** begin main.cf ******
# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_security_level=may

smtp_tls_CApath=/etc/ssl/certs
smtp_tls_security_level=encrypt

xiaoruiguo

egrep -c '(vmx|svm)' /proc/cpuinfo # to check if compatible with virtualization
sudo apt install cpu-checker
sudo kvm-ok # check if kvm optimizations are enabled
sudo apt update
sudo apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virtinst
sudo adduser `id -un` libvirt # logout and log back in

xiaoruiguo

ls / # make sure your swapfile is called swapfile
sudo swapoff -v /swapfile
sudo vi /etc/fstab  # remove the line for the swapfile
sudo rm /swapfile

xiaoruiguo

virt-install --name vm1 --ram=8192 --disk size=10 --vcpus 1 --os-type linux --os-variant ubuntu18.04 --graphics none --location 'http://archive.ubuntu.com/ubuntu/dists/bionic/main/installer-amd64/' --extra-args "console=tty0 console=ttyS0,115200n8"
# When prompted, use the vm name for the host name, and be sure to add openssh when asked for software to pre-install 
# otherwise take defaults or most reasonable options. Follow install instructions till reboot, then ^]
virsh domifaddr vm1 # get ip address
ssh-copy-id rkamradt@192.168.122.95 # use ip address from previous step

xiaoruiguo

1. Create an empty repo in BitBucket
2. git clone --bare git@github.com:user/repo.git
3. cd repo.git
4. git push --mirror git@bitbucket.org:user/repo.git