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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elementaryos touchpad

sudo apt-get remove xserver-xorg-input-libinput libinput-tools

sudo apt-get install xserver-xorg-input-all xserver-xorg-input-evdev xserver-xorg-input-synaptics




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stream usb camera on raspberrypi

https://www.sigmdel.ca/michel/ha/rpi/streaming_en.html

/usr/local/bin/mjpg_streamer -i "/usr/local/lib/mjpg-streamer/input_uvc.so -n -f 25 -r 1280x720" > -o "/usr/local/lib/mjpg-streamer/output_http.so -p 8085 -w /usr/local/share/mjpg-streamer/www"

http://localhost:8080/?action=stream


Crontab:

@reboot /usr/local/bin/mjpg_streamer -i "/usr/local/lib/mjpg-streamer/input_uvc.so -n -f 25 -r 1280x720" -o "/usr/local/lib/mjpg-streamer/output_http.so -p 8081 -w /usr/local/share/mjpg-streamer/www/ -c USER:PASSWORD"

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raspberrypi - tunel ssh

#!/bin/bash
createTunnel() {
  /usr/bin/ssh -f -N -R 2222:localhost:22 ubuntu@HOST
  /usr/bin/ssh -f -N -R 8081:localhost:8081 ubuntu@HOST

  if [[ $? -eq 0 ]]; then
    echo Tunnel created successfully
  else
    echo An error occurred creating a tunnel. RC was $?
  fi
}

/bin/sleep 30

kill `pidof ssh`

echo Creating new tunnel connection
createTunnel


chmod 400 tunnel.ssh

crontab -e

*/15 * * * * /home/pi/tunnel.sh > tunnel.log 2>&1
@reboot /home/pi/tunnel.sh > tunnel.log 2>&1


sudo vi /etc/ssh/sshd_config

GatewayPorts yes
AllowTcpForwarding yes

systemctl reload ssh.service

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docker na raspberrypi

1. sudo apt-get install \
2. apt-transport-https \
3. ca-certificates \
4. curl \
5. gnupg2 \
6. software-properties-common

1. curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

1. echo "deb [arch=armhf] https://download.docker.com/linux/debian \
2. $(lsb_release -cs) stable" | \
3. sudo tee /etc/apt/sources.list.d/docker.list

1. sudo apt-get update
2. sudo apt-get install docker-ce
3. systemctl enable --now docker

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Docker toolbox + ubuntu subsystem

W ubuntu potrzebujemy:

export DOCKER_HOST=tcp://192.168.99.100:2376 // your Docker IP
export DOCKER_CERT_PATH=/mnt/c/Users/YOUR_USERNAME/.docker/machine/certs
export DOCKER_TLS_VERIFY=1

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Logowanie payload i response w Spring WS Client

application.yaml

# Logs WS client payload and responselogging:
  level:
    org:
      springframework:
        ws:
          client:
            MessageTracing.sent: TRACE
            MessageTracing.received: TRACE

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