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Improved pi-hole docker notes

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This commit is contained in:
Michele Cereda
2022-11-02 20:03:23 +01:00
parent 0b83be8053
commit b9b767f25e
4 changed files with 51 additions and 40 deletions
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7
docker/pi-hole/README.md
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@@ -4,8 +4,11 @@
```sh ```sh
# Run on Raspberry Pi. # Run on Raspberry Pi.
sudo apt update && sudo apt install -y docker-compose apt update && apt install -y docker-compose
cd pi-hole && sudo docker-compose up -d cd pi-hole && docker-compose up -d
# Upgrade Graviton's DB.
docker exec -ti pihole pihole -g
``` ```
## Further readings ## Further readings

2
docker/pi-hole/crontab Normal file
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@@ -0,0 +1,2 @@
# Update Graviton's DB once a week.
0 0 * * 0 docker ps -f 'name=pihole' -f 'status=running' -f 'health=healthy' -q | xargs -I{} docker exec {} pihole -g

75
knowledge base/docker.md
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@@ -7,81 +7,84 @@
docker images -a docker images -a
# Search for images. # Search for images.
docker search boinc docker search 'boinc'
# Pull images. # Pull images.
docker pull alpine:3.14 docker pull 'alpine:3.14'
docker pull boinc/client:latest docker pull 'boinc/client:latest'
# Login to registries. # Login to registries.
docker login docker login
docker login -u username -p password docker login -u 'username' -p 'password'
# Create containers. # Create containers.
docker create -h alpine-test --name alpine-test alpine docker create -h 'alpine-test' --name 'alpine-test' 'alpine'
# Start containers. # Start containers.
docker start alpine-test docker start 'alpine-test'
docker start bdbe3f45 docker start 'bdbe3f45'
# Create and start containers. # Create and start containers.
docker run hello-world docker run 'hello-world'
docker run -ti --rm alpine cat /etc/apk/repositories docker run -ti --rm 'alpine' cat '/etc/apk/repositories'
docker run -d --name boinc --network=host --pid=host -v "boinc:/var/lib/boinc" \ docker run -d --name 'boinc' --network='host' --pid='host' -v 'boinc:/var/lib/boinc' \
-e BOINC_GUI_RPC_PASSWORD="123" -e BOINC_CMD_LINE_OPTIONS="--allow_remote_gui_rpc" \ -e BOINC_GUI_RPC_PASSWORD='123' -e BOINC_CMD_LINE_OPTIONS='--allow_remote_gui_rpc' \
boinc/client 'boinc/client'
# Gracefully stop containers. # Gracefully stop containers.
docker stop alpine-test docker stop 'alpine-test'
docker stop bdbe3f45 docker stop 'bdbe3f45'
# Kill containers. # Kill containers.
docker kill alpine-test docker kill 'alpine-test'
# Restart containers. # Restart containers.
docker restart alpine-test docker restart 'alpine-test'
docker restart bdbe3f45 docker restart 'bdbe3f45'
# Show containers' status. # Show containers' status.
docker ps docker ps
docker ps --all docker ps --all
# List containers with specific metadata values.
docker ps -f 'name=pihole' -f 'status=running' -f 'health=healthy' -q
# Execute commands inside *running* containers. # Execute commands inside *running* containers.
docker exec app_web_1 tail logs/development.log docker exec 'app_web_1' tail 'logs/development.log'
docker exec -ti alpine-test sh docker exec -ti 'alpine-test' 'sh'
# Show containers' output. # Show containers' output.
docker log alpine-test docker log 'alpine-test'
# List processes running inside containers. # List processes running inside containers.
docker top alpine-test docker top 'alpine-test'
# Show information on containers. # Show information on containers.
docker inspect alpine-test docker inspect 'alpine-test'
# Build a docker image. # Build a docker image.
docker build -t private/alpine:3.14 . docker build -t 'private/alpine:3.14' .
# Tag images. # Tag images.
docker tag alpine:3.14 private/alpine:3.14 docker tag 'alpine:3.14' 'private/alpine:3.14'
# Push images. # Push images.
docker push private/alpine:3.14 docker push 'private/alpine:3.14'
# Export images to tarballs. # Export images to tarballs.
docker save alpine:3.14 -o alpine.tar docker save 'alpine:3.14' -o 'alpine.tar'
docker save hello-world > hw.tar docker save 'hello-world' > 'hw.tar'
# Load images from tarballs. # Load images from tarballs.
docker load -i hw.tar docker load -i 'hw.tar'
# Delete containers. # Delete containers.
docker rm alpine-test docker rm 'alpine-test'
docker rm -f 87b27 docker rm -f '87b27'
# Cleanup. # Cleanup.
docker logout docker logout
docker rmi alpine docker rmi 'alpine'
docker image prune -a docker image prune -a
docker system prune -a docker system prune -a
``` ```
@@ -93,7 +96,7 @@ The docker daemon is configured using the `/etc/docker/daemon.json` file:
```json ```json
{ {
"default-runtime": "runc", "default-runtime": "runc",
"dns": ['8.8.8.8', '1.1.1.1'] "dns": ["8.8.8.8", "1.1.1.1"]
} }
``` ```
@@ -117,10 +120,10 @@ Those files come from the volume the docker container is using for its root, and
- Containers created with no specified name will be assigned one automatically: - Containers created with no specified name will be assigned one automatically:
```sh ```sh
$ docker create hello-world $ docker create 'hello-world'
8eaaae8c0c720ac220abac763ad4b477d807be4522d58e334337b1b74a14d0bd 8eaaae8c0c720ac220abac763ad4b477d807be4522d58e334337b1b74a14d0bd
$ docker create --name alpine alpine $ docker create --name 'alpine' 'alpine'
63b1a0a3e557094eba7f18424fd50d49b36cacbc21f1df60b918b375b857f809 63b1a0a3e557094eba7f18424fd50d49b36cacbc21f1df60b918b375b857f809
$ docker ps -a $ docker ps -a
@@ -148,10 +151,10 @@ Those files come from the volume the docker container is using for its root, and
## Sources ## Sources
- [Archlinux Wiki] - [Arch Linux Wiki]
- [Configuring DNS] - [Configuring DNS]
- [Cheatsheet] - [Cheatsheet]
[archlinux wiki]: https://wiki.archlinux.org/index.php/Docker [arch linux wiki]: https://wiki.archlinux.org/index.php/Docker
[cheatsheet]: https://collabnix.com/docker-cheatsheet/ [cheatsheet]: https://collabnix.com/docker-cheatsheet/
[configuring dns]: https://dockerlabs.collabnix.com/intermediate/networking/Configuring_DNS.html [configuring dns]: https://dockerlabs.collabnix.com/intermediate/networking/Configuring_DNS.html

7
knowledge base/pi-hole.md
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@@ -3,8 +3,11 @@
## TL;DR ## TL;DR
```sh ```sh
# one-step automated install # One-step automated install.
curl -sSL https://install.pi-hole.net | bash curl -sSL 'https://install.pi-hole.net' | bash
# Update Graviton's DB.
pihole -g
``` ```
## Further readings ## Further readings