# ubunti_tips

Tips y configuraciones de ubuntu

## Eligir terminal por defecto ubuntu

        sudo update-alternatives --config x-terminal-emulator
## Instalar docker
```sh
sudo apt-get install docker-ce
# Compose ayuda a crear instalaciones de varios contenedores
sudo apt-get install docker-compose

```
### Permitir correr docker sin sudo
```sh
    sudo groupadd docker
    sudo gpasswd -a $USER docker
    newgrp docker
    
```
### imagen docker ayuda
```sh
docker run -d -p 80:80 docker/getting-started
```

### Comandos básicos


### INSTALAR EMQX DOCKER

        docker run -d --name emqx -p 18083:18083 -p 1883:1883 -p 8083:8083 -p 8084:8084 -e EMQX_ALLOW_ANONYMOUS=false emqx/emqx:latest

### EMQX DOCKER_COMPOSE

Instalamos la version 4.2.3 ya que en posteriores no soporta el plugin **emqx_auth_username**

ToDo:
+ [x] Buscar solucion emqx_auth_username

**docker-compose.yml**

    version: "2.0"
    services:
      emqx:
        container_name: emqx_iot
        image: emqx/emqx:latest
        #restart: always

        ports:
          - 18083:18083
          - 18084:18084
          - 1883:1883
          - 8883:8883
          - 8083:8083
          - 8084:8084
          - 8085:8081

        environment:
           EMQX_NAME: mi-emqtt
           EMQX_HOST: 127.0.0.1
           EMQX_ALLOW_ANONYMOUS: "false"
           EMQX_NOMATCH: "deny"
           TZ: "America/Bogota"
           EMQX_DASHBOARD__DEFAULT_USER__PASSWORD: "pass_dasboard"
           EMQX_DASHBOARD__DEFAULT_USER__LOGIN: "mdchaparror"
           EMQX_AUTH__USER__1__USERNAME: "mdchaparror"
           EMQX_AUTH__USER__1__PASSWORD: "pass_clientes_mtt"
           EMQX_LOADED_PLUGINS: "emqx_recon,emqx_retainer,emqx_management,emqx_dashboard,emqx_auth_mnesia"



### Abrir puertos en ubuntu

    ufw allow from any to any port 18083 proto tcp
        
### Instalar Portainer

         docker volume create portainer_data
         docker run -d \
         --name Portainer \
         --restart=always \
         -p 9000:9000 \
        -v /var/run/docker.sock:/var/run/docker.sock \
        -v portainer_data:/data \
         portainer/portainer

[https://domology.es/instalacion-docker-parte-1-dockerportainer/](https://domology.es/instalacion-docker-parte-1-dockerportainer/)

### PORTAINER EN LA RASPBERRY
    sudo docker pull portainer/portainer-ce:latest
    sudo docker run -d -p 9000:9000 --name=portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce:latest


### RPI-MONITOR

        docker run --device=/dev/vchiq --device=/dev/vcsm --volume=/opt/vc:/opt/vc --volume=/boot:/boot --volume=/sys:/dockerhost/sys:ro --volume=/etc:/dockerhost/etc:ro --volume=/proc:/dockerhost/proc:ro --volume=/usr/lib:/dockerhost/usr/lib:ro -p=8888:8888 --name="rpi-monitor" -d  michaelmiklis/rpi-monitor:latest

### Home Assistant

    docker run --init -d --name="home-assistant" -e "TZ=America/Bogota" -v /home/pi/docker/config:/config --net=host homeassistant/raspberrypi3-homeassistant:stable

### Instalar Gitea

Descargar repositorio de gitea

    git clone https://github.com/go-gitea/gitea.git
    
Editar Fichero DockerFile 

Cambiar linea: **FROM golang:1.10-alpine3.7 AS build-env** por **FROM resin/raspberrypi3-alpine-golang AS build-env**

y la linea: **FROM alpine:3.7** por **FROM resin/raspberrypi3-alpine:3.7**

Construir la imagen:
    docker build -t mdchaparror/gitea .

Crear archivo docker-compose.yml

    version: "2"

    networks:
      gitea:
        external: false

    services:
      server:
        image: mdchaparror/gitea
        container_name: gitea
        environment:
          - USER_UID=1000
          - USER_GID=1000
        restart: always
        networks:
          - gitea
        volumes:
          - ./gitea:/data
          - /etc/timezone:/etc/timezone:ro
          - /etc/localtime:/etc/localtime:ro
        ports:
          - "5000:3000"
          - "222:22"
Ejecutar:
    docker-compose up -d

### Backup Raspberry
#### Crear Imagen

Mirar el disco correspondiente a la sd

    sudo fdisk -l
    
    sudo dd bs=4M if=/dev/sdd | gzip > imagen_rasp1_back_`date +%Y-%M-d`.gz

### Restaurar imagen

La imagen se puede restaurar imagen ya sea con dd o con [balenaEtcher](https://www.balena.io/etcher/)

    gzip -dc image.gz | sudo dd bs=4M of=/dev/sdd


### Virtualbox

Para poder usar los dispositivos usb en virtualBox añadir usuario al grupo de virtualboxusers

        sudo usermod -a -G vboxusers  mdchaparror


### Instalar NODERED

***docker-compose.yml
```sh
version: 2
services:
  nodered:
    container_name: Node-red
    image: nodered/node-red:latest
    ports:
     - 1880:1880
    
    

```

## Mongo
sudo systemctl status mongodb