kafka - programatically

http://www.douevencode.com/articles/2017-12/spring-kafka-without-annotations/

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kafka - docker-compose

version: '2'
services:
  zookeeper:
    image: wurstmeister/zookeeper
    ports:
      - "2181:2181"
  kafka:
    image: wurstmeister/kafka
    ports:
      - "9092:9092"
    environment:
      KAFKA_ADVERTISED_HOST_NAME: 192.168.1.100
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock

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traefik + java service (docker-compose)

version: '3.3'
services:
    javaservice-1:
        image: service
        container_name: javaservice-1
        restart: always
        labels:
            - traefik.enable=true
            - traefik.http.routers.javaservicerouter.rule=Host(`localhost`)
            - traefik.http.routers.javaservicerouter.entrypoints=web
            - traefik.port=8080
        networks:
            - web
    traefik:
        image: 'traefik:latest'
        container_name: traefik
        command:
            - '--log.level=INFO'
            - '--api.insecure=true'
            - '--providers.docker=true'
            - '--providers.docker.exposedbydefault=false'
            - '--entrypoints.web.address=:80'
            - '--entrypoints.test.address=:8081'
        networks:
            - web
        ports:
            - '80:80'
            - '8080:8080'
            - '8081:8081'
        volumes:
            - '/var/run/docker.sock:/var/run/docker.sock:ro'
networks:
    web:
        external:
            name: traefik_webgateway

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Extend swap ubuntu

Turn off all swap processes

sudo swapoff -a

Resize the swap

sudo dd if=/dev/zero of=/swapfile bs=16G count=8

Make the file usable as swap

sudo mkswap /swapfile

Activate the swap file

sudo swapon /swapfile

Check the amount of swap available

grep SwapTotal /proc/meminfo

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git - clean old branches

git branch | grep -v "master" | grep -v "develop" | xargs git branch -D

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Connection breaking with wifi on Intel 7265 or 8265 on xubuntu (Reason: 3=DEAUTH_LEAVING)

Replace network manager with wicd:

sudo apt-get install wicd
sudo systemctl stop NetworkManager.service
sudo systemctl disable NetworkManager.service

sudo systemctl enable wicd.service
sudo systemctl start wicd.service

Sessions -> Startup:
wicd-client --tray

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xubuntu screen flickering in chrome

sudo vi  /usr/share/X11/xorg.conf.d/20-intel.conf

Section "Device"
   Identifier "Intel Graphics"
   Driver "intel"
   Option "AccelMethod" "sna"
   Option "TearFree" "true"
   Option "DRI" "3"
EndSection

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