Problem mit p4d: Läuft nicht auf PC mit Ubuntu

# Quelle: https://github.com/horchi/linux-p4d


# Systemupdate
apt -y update
apt -y upgrade
apt-get -y install build-essential pkg-config libssl-dev libjansson-dev libcurl4-openssl-dev libmariadb-dev uuid-dev libcap-dev libssl-dev libwebsockets-dev cmake mariadb-server mosquitto mosquitto-clients


# Install libwebsockets
cd /usr/src
git clone https://github.com/warmcat/libwebsockets.git
cd libwebsockets
mkdir build
cd build
cmake ..
make
sudo make install
ldconfig
pkg-config --modversion libwebsockets



# Install MariaDB
sudo systemctl status mysql

mysql -u root -Dmysql -p
  CREATE DATABASE p4 charset utf8;
  CREATE USER 'p4'@'localhost' IDENTIFIED BY 'p4';
  GRANT ALL PRIVILEGES ON p4.* TO 'p4'@'localhost' IDENTIFIED BY 'p4';
  flush privileges;
  quit;

  
  
# Install Mosquitto
systemctl start mosquitto
systemctl enable mosquitto

  
#Install p4d Dämon  
cd /usr/src/
git clone https://github.com/horchi/linux-p4d/
cd linux-p4d
make clean all
make install
systemctl start p4d
systemctl status p4d

nano /etc/p4d/daemon.conf
-> DbHost =localhost ändern in DbHost = 127.0.0.1

systemctl restart p4d

System rebooten

root@Server-46-53:/var/log# cat /var/log/p4d.log
Jul  4 16:31:53 Server-46-53 p4d: Read 5 option from /etc/p4d/daemon.conf
Jul  4 16:31:53 Server-46-53 p4d: Dictionary '/etc/p4d/database.dat' loaded
Jul  4 16:31:53 Server-46-53 p4d: Try conneting to database
Jul  4 16:31:53 Server-46-53 p4d: SQL-Error in 'connecting to database' - Can't connect to MySQL server on '127.0.0.1' (115) (2002)
Jul  4 16:31:53 Server-46-53 p4d: Fatal, lost connection to mysql server, aborting pending actions
Jul  4 16:31:53 Server-46-53 p4d: Error, connecting to database at '127.0.0.1' on port (3306) failed
Jul  4 16:31:53 Server-46-53 p4d: Error: Initial database connect failed
Jul  4 16:31:53 Server-46-53 p4d: SQL-Error in 'connecting to database' - Can't connect to MySQL server on '127.0.0.1' (115) (2002)
Jul  4 16:31:53 Server-46-53 p4d: Fatal, lost connection to mysql server, aborting pending actions
Jul  4 16:31:53 Server-46-53 p4d: Error, connecting to database at '127.0.0.1' on port (3306) failed
Jul  4 16:31:53 Server-46-53 p4d: Could not access database '127.0.0.1:3306'
Jul  4 16:31:53 Server-46-53 p4d: Could not access database '127.0.0.1:3306' (tried to open errors)
Jul  4 16:31:53 Server-46-53 p4d: Retrying in 10 seconds
Jul  4 16:32:03 Server-46-53 p4d: Try conneting to database
Jul  4 16:32:03 Server-46-53 p4d: SQL client character now 'utf8'
Jul  4 16:32:03 Server-46-53 p4d: Skipping check of table 'information_schema.TABLES'
Jul  4 16:32:03 Server-46-53 p4d: Info: Eloquence set to 0x0000
Jul  4 16:32:03 Server-46-53 p4d: Config of MQTT url changed from '' to 'tcp://localhost:1883', disconnecting
Jul  4 16:32:03 Server-46-53 p4d: WebSocket Listener at port (1111) established
Jul  4 16:32:03 Server-46-53 p4d: Init script value of 'SC:1' to 77,40
Jul  4 16:32:03 Server-46-53 p4d: Found script '/etc/p4d/scripts.d/example_sensor.sh' addr (1), unit '°C'; result was [{ "kind" : "value", "unit" : "°C", "value" :  77.4 }]
Jul  4 16:32:03 Server-46-53 p4d: Init script value of 'SC:2' to 0,00
Jul  4 16:32:03 Server-46-53 p4d: Found script '/etc/p4d/scripts.d/example_switch.sh' addr (2), unit 'zst'; result was [{ "kind":"status","value":0 }]
Jul  4 16:32:03 Server-46-53 p4d: p4d started
Jul  4 16:32:03 Server-46-53 p4d: Scheduled aggregation for '05.07.2022 01:00:00' with interval of 15 minutes
Jul  4 16:32:03 Server-46-53 p4d: State changed to 'Betriebsbereit'
Jul  4 16:33:33 Server-46-53 p4d: Calculating consumption sice tankering by 4,00 kg / stoker hour
Jul  4 16:33:44 Server-46-53 p4d: HTTP: Requested url (22) '/img/type/heating-.png'
root@Server-46-53:/var/log#