danielef

curl https://raw.githubusercontent.com/zerotier/ZeroTierOne/master/doc/contact%40zerotier.com.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/zerotierone-archive-keyring.gpg >/dev/null
RELEASE=$(lsb_release -cs)
echo "deb [signed-by=/usr/share/keyrings/zerotierone-archive-keyring.gpg] http://download.zerotier.com/debian/$RELEASE $RELEASE main" | sudo tee /etc/apt/sources.list.d/zerotier.list
sudo apt update
sudo apt install -y zerotier-one

danielef

sudo dpkg --add-architecture armhf
sudo apt-get update
sudo apt-get install libc6:armhf
sudo ln -s /lib/ld-linux-armhf.so.3 /lib/ld-linux.so.3
sudo apt-get install libstdc++6:armhf
sudo wget https://www.vpn.net/installers/logmein-hamachi_2.1.0.203-1_armhf.deb
sudo dpkg -i logmein-hamachi_2.1.0.203-1_armhf.deb
sudo hamachi login
sudo hamachi attach-net my@mail.com

danielef

sudo modprobe nvidia nv_cap_enable_devfs=1 
sudo nvidia-smi --gpu-reset
sudo nvidia-smi -i 0 -mig 1
sudo nvidia-smi mig -cgi 9,3g.20gb -C
nvidia-smi -L

danielef

nvidia drivers reinstall for Ubuntu 20.04

0. Login as root

sudo -s

1. Purge all nvidia packages:

apt-get purge *nvidia*
apt autoremove

danielef

#!/bin/bash
export OPENCV_VERSION=4.5.1 && \
apt-get update && \
apt-get install -y --no-install-recommends build-essential cmake pkg-config yasm checkinstall autoconf automake libtool ca-certificates libjpeg-dev libpng-dev libtiff-dev libavcodec-dev libavformat-dev libswscale-dev libavresample-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libxvidcore-dev x264 libx264-dev libfaac-dev libmp3lame-dev libtheora-dev libfaac-dev libmp3lame-dev libvorbis-dev libopencore-amrnb-dev libopencore-amrwb-dev libdc1394-22 libdc1394-22-dev libxine2-dev libv4l-dev v4l-utils libprotobuf-dev protobuf-compiler swig libtbb-dev libatlas-base-dev gfortran libgoogle-glog-dev libgflags-dev libgphoto2-dev libeigen3-dev libhdf5-dev doxygen libtesseract-dev liblapacke-dev python3-dev zip unzip && \
pip install numpy==1.19.4 && \
mkdir -p /opt/quantumlabs/opencv/ && \
cd /opt/quantumlabs/opencv/ && \
wget -O opencv-$OPENCV_VERSION.zip https://github.com/opencv/opencv/archive/$OPENCV_VERSION.zip && \
wget -O opencv_contrib-$OP

danielef

curl -XPOST -H 'Content-Type: application/json' 'http://localhost:9200/foo/_delete_by_query?conflicts=proceed&pretty'  -d'
{
    "query": {
        "match_all": {}
    }
}'

danielef

#!/bin/bash
for i in $( ls *.mpeg ); do 
  ffmpeg -i $i -vf "scale=iw/4:ih/4" ${i%.*}.mp4; 
done

danielef

   Mapping between runlevels and systemd targets
   ┌─────────┬───────────────────┐
   │Runlevel │ Target            │
   ├─────────┼───────────────────┤
   │0        │ poweroff.target   │
   ├─────────┼───────────────────┤
   │1        │ rescue.target     │
   ├─────────┼───────────────────┤
   │2, 3, 4  │ multi-user.target │
   ├─────────┼───────────────────┤

danielef

curl -XPUT -H 'Content-Type: application/json' http://localhost:9201/foo/_mapping -d '
{
  "properties": {
    "position":{"type":"geo_point"}
  }
}'

danielef

#!/bin/bash
ACTION=$1
PID_FILE="/opt/py-orc/py-orc.pid"
case $ACTION in
    start)
        nohup /usr/bin/python3 /opt/py-orc/py-orc.py /opt/py-orc/apps.json > /opt/py-orc/nohup.out 2>&1 &
        echo $! > $PID_FILE
        ;;

    stop)