Deploy.md

1. Install minikube: Run command:

   curl -Lo minikube https://storage.googleapis.com/minikube/releases/v1.13.0/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
   

K8S with minikube

1. Create cluster

   • Run command:

     minikube version
     

     minikube start
     

2. Deployment

   • Run command:

     kubectl create deployment $DEPLOY_NAME --image=$IMAGE_URL
     

     • Get list deployments:

     kubectl get deployments
     

3. Create service

   • expose port:

   kubectl expose deployment $DEPLOY_NAME --type=$TYPE --port=$PORT
   

   • Get link access on browser

   minikube service $DEPLOY_NAME
   

---

Bugs

1. Internal error occurred: failed calling webhook "validate.nginx.ingress.kubernetes.io":
   run command:

   kubectl delete -A ValidatingWebhookConfiguration ingress-nginx-admission
   

2. Run local: change domain to:

   • .local
   • .localhost
   • .test
   • (any custom/non-standard top-level domain)

3. Remove service

   • systemctl stop {service}
   • yum remove {service}
   • systemctl daemon-reload
   • systemctl reset-failed

---

Monitor

1. Check CRIO cgroup:

   cat /etc/crio/crio.conf | grep cgroup
   

Mongo command

1. Mongo dump

mongodump -u [DB_USERNAME] --db [DB_DATABASE] --authenticationDatabase=admin --gzip --archive > /path/to/file/dump_`date "+%Y-%m-%d"`.gz

2. Copy file remote machine to local computer

scp -P [port] [user]@[server_id]:/path/to/file /path/to/local

3. Mongo restore

mongorestore -u [DB_USERNAME] --authenticationDatabase=admin --gzip --archive=/path/to/file/dump_2024-10-03.gz --db [DB_DATABASE]