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Configuration of the Raspberry Pi

Once you have all the necessary equipment, the Raspberry is running and you are connected in SSH, you can start by updating your Raspberry Pi.

sudo apt update 
sudo apt upgrade

Once the updates are complete, create the folder that will be accessible on the samba server.

$> mkdir /home/pi/shares

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View your System’s Authorization Log

To view your systems authorization log simply type the following command in a terminal window:

$> cat /var/log/auth.log

View Failed SSH Login Attempts

To view all your failed login attempts type the following command into a terminal window:

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Install fail2ban

Update and install Fail2Ban by typing the following commands:

$> sudo apt-get update
$> sudo apt-get install fail2ban

Edit SSH Fail2Ban configurations. Open up the "/etc/fail2ban/jail.local" file with the following command (jail.local file should be empty):

$> sudo nano /etc/fail2ban/jail.local

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Serveur

 raspivid -fps 25 -vf -n -t 0 -o - | cvlc -vvv stream:////dev/stdin --sout '#rtp{sdp=rtsp://8554/}' :demux=h264

Configuration:

• vf: flips captur vertical
• n: no preview
• t: duration of capture (infinite)
• o: Output (subsequent pipe)

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Serveur

 raspivid -fps 25 -h 720 -w 1080 -vf -n -t 0 -b 2000000 -o - | gst-launch-1.0 -v fdsrc ! h264parse ! rtph264pay config-interval=1 pt=96 ! gdppay ! tcpserversink host=192.168.1.100 port=5000

Configuration:

• h and w: video capture resolution
• vf: flips captur vertical
• n: no preview
• t: duration of capture (infinite)
• b: stream bitrate (2Mb/s)

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Client

$> ./rpi_stream_cam_netcat_client.sh

Server

$> raspivid -vf -n -o - -t 0 -b 2000000  | nc 192.168.1.100 5777

Lunch OpenCV exemple, which reads the named pipe like regular h264 file

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# http to https redirect
# https://stackoverflow.com/questions/43743283/htaccess-rewrite-too-many-redirects
RewriteEngine On
RewriteCond %{HTTP:X-Forwarded-Proto} !https [OR]
RewriteCond %{HTTP_HOST} ^www\. [NC]
RewriteRule ^ https://exemple.com%{REQUEST_URI} [L,NE,R=301]

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# How to merge two dictionaries
# in Python 3.5+

>>> x = {'a': 1, 'b': 2}
>>> y = {'b': 3, 'c': 4}

>>> z = {**x, **y}

>>> z
{'c': 4, 'a': 1, 'b': 3}

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# Different ways to test multiple
# flags at once in Python

x, y, z = 0, 1, 0

if x == 1 or y == 1 or z == 1:
    print('passed')

if 1 in (x, y, z):
    print('passed')

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# The get() method on dicts
# and its "default" argument

name_for_userid = {
    382: "Alice",
    590: "Bob",
    951: "Dilbert",
}

def greeting(userid):