Update MyPiDNS

Update MyPIDNS

1. sudo apt-get update && apt-get upgrade
2. sudo docker-compose stop pihole
3. sudo docker-compose pull pihole
4. sudo docker-compose up -d pihole

Issues

Cannot pull the docker image

1. Error message

   Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

2. Fix it by add fixed ip in the /etc/hosts file like

   • Get the work IP by nslookup registry-1.docker.io
   • Open the /etc/hosts file
   • Add the line at the end of the file like 222.222.222.222 registry-1.docker.io

Cannot connect the cloudflare API

1. Error message

   curl: (6) Could not resolve host: api.cloudflare.com

2. Fix it by add fixed ip in the /etc/hosts file like (optional)

   • Get the work IP by nslookup api.cloudflare.com
   • Open the /etc/hosts file
   • Add the line at the end of the file like 222.222.222.222 api.cloudflare.com

3. Stop the docker image

   sudo docker-compose stop cloudflare_ddns

4. Find the related the old container and remove it

   sudo docker ps -a | grep cloudflare
   sudo docker rm [CONTAINER_ID]

5. Update the image and start it again

   sudo docker-compose pull cloudflare_ddns
   sudo docker-compose up -d cloudflare_ddns

Cannot access grafana plugin url

1. Error message

   Error: ✗ Failed to send request: Get "https://grafana.com/api/plugins/repo/grafana-piechart-panel": dial tcp: lookup grafana.com on X.X.X.X:53: server misbehaving

2. Stop the docker image

   sudo docker-compose stop grafana

3. Find the related the old container and remove it

   sudo docker ps -a | grep grafana
   sudo docker rm [CONTAINER_ID]

4. Update the image and start it again

   sudo docker-compose pull grafana
   sudo docker-compose up -d grafana