Installation Octorint auf Ubuntu 22.04 LTS

Als erstes system Aktualisieren
sudo apt update && sudo apt upgrade
Pyton version überprüfen
python3 -V
Wenn Pyton nicht instaliert ist mit
sudo apt install python3
instalieren.
Folgende Python dependencies werden benötigt

sudo apt install python3-pip
sudo apt install python3-dev
sudo apt install python3-setuptools
sudo apt install python3-venv
sudo apt install git
sudo apt install libyaml-dev
sudo apt install build-essential
Checken ob alles up to date ist pip install pip –upgrade # minu minus upgrade
Ermitteln der IP Adresse: hostname -I

Jetz muss ein neuer User erstellt werden:
Als Beispiel: octo
sudo useradd -m octo
Password (Beispiel)
sudo passwd octo yourpassword
Gruppen zum User Hinzufügen
sudo usermod -a -G tty,dialout octo
User octo anmelden:

su octo
cd ~
cd /home/octo
mkdir OctoPrint && cd OctoPrint

Anlegen des virtual environment:
python3 -m venv venv

Achtung space zwischen den Punkten
. ./venv/bin/activate
pip install –no-cache-dir octoprint #install minu minus


Test der Insallation
su octo
cd ~
cd /home/octo
python3 -m venv venv
. ./venv/bin/activate
~/OctoPrint/venv/bin/octoprint serve
Start OctoPrint user Interface
localhost:5000




Vorbereitung zum Autostart von OctoPrint
Datei erstellen -> octoprint.default

# Configuration for /etc/init.d/octoprint

# The init.d script will only run if this variable non-empty.
OCTOPRINT_USER=octo

# base directory to use
#BASEDIR=/home/octo/.octoprint

# configuration file to use
#CONFIGFILE=/home/octo/.octoprint/config.yaml

# On what port to run daemon, default is 5000
PORT=5000

# Path to the OctoPrint executable, you need to set this to match your installation!
#DAEMON=/home/octo/OctoPrint/venv/bin/octoprint

# What arguments to pass to octoprint, usually no need to touch this
DAEMON_ARGS="--port=$PORT"

# Umask of files octoprint generates, Change this to 000 if running octoprint as its own, separate user
UMASK=022

# Process priority, 0 here will result in a priority 20 process.
# -2 ensures Octoprint has a slight priority over user processes.
NICELEVEL=-2

# Should we run at startup?
START=yes

Datei wurde in Downloads abgespeichert
Datei nach -> /etc/default/octoprint kopieren
Nach downloads wechseln
cd Downloads
sudo cp octoprint.default /etc/default/octoprint


Datei erstellen -> octoprint.init

#!/bin/sh

### BEGIN INIT INFO
# Provides:          octoprint
# Required-Start:    $local_fs networking
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: OctoPrint daemon
# Description:       Starts the OctoPrint daemon with the user specified in
#                    /etc/default/octoprint.
### END INIT INFO

# Author: Sami Olmari & Gina Häußge

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="OctoPrint Daemon"
NAME="OctoPrint"
PKGNAME=octoprint
PIDFILE=/var/run/$PKGNAME.pid
SCRIPTNAME=/etc/init.d/$PKGNAME
DEFAULTS=/etc/default/$PKGNAME

# Read configuration variable file if it is present
[ -r $DEFAULTS ] && . $DEFAULTS

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

# Exit if the DAEMON is not set
if [ -z "$DAEMON" ]
then
    log_warning_msg "Not starting $PKGNAME, DAEMON not set in /etc/default/$PKGNAME."
    exit 0
fi

# Exit if the DAEMON is not installed
[ -x "$DAEMON" ] || exit 0

# Load the VERBOSE setting and other rcS variables
[ -f /etc/default/rcS ] && . /etc/default/rcS

if [ -z "$START" -o "$START" != "yes" ]
then
   log_warning_msg "Not starting $PKGNAME, edit /etc/default/$PKGNAME to start it."
   exit 0
fi

if [ -z "$OCTOPRINT_USER" ]
then
    log_warning_msg "Not starting $PKGNAME, OCTOPRINT_USER not set in /etc/default/$PKGNAME."
    exit 0
fi

COMMAND_ARGS=
if [ -n "$BASEDIR" ]
then
    COMMAND_ARGS="--basedir $BASEDIR $COMMAND_ARGS"
fi

if [ -n "$CONFIGFILE" ]
then
    COMMAND_ARGS="--config $CONFIGFILE $COMMAND_ARGS"
fi

#
# Function to verify if a pid is alive
#
is_alive()
{
   pid=`cat $1` > /dev/null 2>&1
   kill -0 $pid > /dev/null 2>&1
   return $?
}

#
# Function that starts the daemon/service
#
do_start()
{
   # Return
   #   0 if daemon has been started
   #   1 if daemon was already running
   #   2 if daemon could not be started

   is_alive $PIDFILE
   RETVAL="$?"

   if [ $RETVAL != 0 ]; then
       start-stop-daemon --start --background --quiet --pidfile $PIDFILE --make-pidfile \
       --exec $DAEMON --chuid $OCTOPRINT_USER --user $OCTOPRINT_USER --umask $UMASK --nicelevel=$NICELEVEL \
       -- serve $COMMAND_ARGS $DAEMON_ARGS
       RETVAL="$?"
   fi
}

#
# Function that stops the daemon/service
#
do_stop()
{
   # Return
   #   0 if daemon has been stopped
   #   1 if daemon was already stopped
   #   2 if daemon could not be stopped
   #   other if a failure occurred

   start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --user $OCTOPRINT_USER --pidfile $PIDFILE
   RETVAL="$?"
   [ "$RETVAL" = "2" ] && return 2

   rm -f $PIDFILE

   [ "$RETVAL" = "0"  ] && return 0 || return 1
}

case "$1" in
  start)
   [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
   do_start
   case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
   esac
   ;;
  stop)
   [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
   do_stop
   case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
   esac
   ;;
  status)
   status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
   ;;
  restart)
   log_daemon_msg "Restarting $DESC" "$NAME"
   do_stop
   case "$?" in
     0|1)
      do_start
      case "$?" in
         0) log_end_msg 0 ;;
         1) log_end_msg 1 ;; # Old process is still running
         *) log_end_msg 1 ;; # Failed to start
      esac
      ;;
     *)
        # Failed to stop
      log_end_msg 1
      ;;
   esac
   ;;
  *)
   echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
   exit 3
   ;;
esac

Datei wurde in Downloads abgespeichert
Datei nach -> /etc/init.d/octoprint
sudo cp octoprint.init /etc/init.d/octoprint

Datei erstellen -> octoprint.service

[Unit]
Description=The snappy web interface for your 3D printer
After=network-online.target
Wants=network-online.target

[Service]
Environment="LC_ALL=C.UTF-8"
Environment="LANG=C.UTF-8"
Type=exec
User=octo
ExecStart=/home/octo/OctoPrint/venv/bin/octoprint

[Install]
WantedBy=multi-user.target

Datei wurde in Downloads abgespeichert
Datei nach -> /etc/systemd/system
sudo cp octoprint.service /etc/systemd/system



Enable octoprint service
sudo update-rc.d octoprint defaults

and start it
sudo service octoprint start

sudo systemctl enable octoprint.service

Start OctoPrint user Interface
IP:5000 oder http://localhost:5000

Thats all

Prusa Slicer installieren unter Ubuntu

Wichtig: Nach der Installation über die Ubuntu Software Verwaltung auf den Button
Permiisions klicken, sonst kann es vorkommen das z.B. gemountete Netzlauwerke nich geschrieben werden könne.




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