refactor: multiple

Signed-off-by: Dominik Willner th33xitus@gmail.com
2022-04-18 10:53:11 +02:00
parent 0f43a4d61f
commit 6f85ad6815
15 changed files with 270 additions and 299 deletions
--- a/scripts/fluidd.sh
+++ b/scripts/fluidd.sh
@@ -132,7 +132,7 @@ function remove_fluidd(){
 #================== UPDATE FLUIDD ==================#
 #===================================================#

-update_fluidd(){
+function update_fluidd(){
  bb4u "fluidd"
  status_msg "Updating Fluidd ..."
  fluidd_setup
--- a/scripts/moonraker.sh
+++ b/scripts/moonraker.sh
@@ -471,3 +471,55 @@ function compare_moonraker_versions(){
  fi
  echo "${versions}"
 }
+
+#==================================================#
+#==================== HELPERS =====================#
+#==================================================#
+
+function update_log_paths(){
+  ### update services to make use of moonrakers new log_path option
+  ### https://github.com/Arksine/moonraker/commit/829b3a4ee80579af35dd64a37ccc092a1f67682a
+  shopt -s extglob # enable extended globbing
+  source_kiauh_ini
+  LPATH="${HOME}/klipper_logs"
+  [ ! -d "$LPATH" ] && mkdir -p "$LPATH"
+  FILE="$SYSTEMDDIR/$1?(-*([0-9])).service"
+  for file in $(ls $FILE); do
+    [ "$1" == "klipper" ] && LOG="klippy"
+    [ "$1" == "moonraker" ] && LOG="moonraker"
+    if [ ! "$(grep "\-l" $file)" ]; then
+      status_msg "Updating $file ..."
+      sudo sed -i -r "/ExecStart=/ s|$| -l $LPATH/$LOG.log|" $file
+      ok_msg "$file updated!"
+    elif [ "$(grep "\-l \/tmp\/$LOG" $file)" ]; then
+      status_msg "Updating $file ..."
+      sudo sed -i -r "/ExecStart=/ s|-l \/tmp\/$LOG|-l $LPATH/$LOG|" $file
+      ok_msg "$file updated!"
+    fi
+  done
+  sudo systemctl daemon-reload
+
+  # patch log_path entry if not found
+  dir1="$klipper_cfg_loc"
+  dir2="$klipper_cfg_loc/printer_*"
+  for conf in $(find $dir1 $dir2 -name "moonraker.conf" 2> /dev/null); do
+    if ! grep -q "log_path" $conf; then
+      status_msg "Patching $conf"
+      sed -i "/^config_path/a log_path: $LPATH" $conf
+      ok_msg "OK!"
+    fi
+  done
+
+  # create symlink for mainsail and fluidd nginx logs
+  symlink_webui_nginx_log "mainsail"
+  symlink_webui_nginx_log "fluidd"
+
+  # create symlink for webcamd log
+  if [ -f "/var/log/webcamd.log" ] && [ ! -L "$LPATH/webcamd.log" ]; then
+    status_msg "Creating symlink for '/var/log/webcamd.log' ..."
+    ln -s "/var/log/webcamd.log" "$LPATH"
+    ok_msg "OK!"
+  fi
+
+  shopt -u extglob # disable extended globbing
+}
--- a/scripts/network_functions.sh
+++ b/scripts/network_functions.sh
@@ -1,177 +0,0 @@
-#!/bin/bash
-
-#=======================================================================#
-# Copyright (C) 2020 - 2022 Dominik Willner <th33xitus@gmail.com>       #
-#                                                                       #
-# This file is part of KIAUH - Klipper Installation And Update Helper   #
-# https://github.com/th33xitus/kiauh                                    #
-#                                                                       #
-# This file may be distributed under the terms of the GNU GPLv3 license #
-#=======================================================================#
-
-set -e
-
-function set_nginx_cfg(){
-  if [ "${SET_NGINX_CFG}" = "true" ]; then
-    local cfg="${SRCDIR}/kiauh/resources/${1}"
-    #check for dependencies
-    dep=(nginx)
-    dependency_check "${dep[@]}"
-    #execute operations
-    status_msg "Creating Nginx configuration for ${1} ..."
-    #copy content from resources to the respective nginx config file
-    cat "${SRCDIR}/kiauh/resources/klipper_webui_nginx.cfg" > "${cfg}"
-    ##edit the nginx config file before moving it
-    sed -i "s/<<UI>>/${1}/g" "${cfg}"
-    if [ "${SET_LISTEN_PORT}" != "${DEFAULT_PORT}" ]; then
-      status_msg "Configuring port for $1 ..."
-      #set listen port ipv4
-      sed -i "s/listen\s[0-9]*;/listen ${SET_LISTEN_PORT};/" "${cfg}"
-      #set listen port ipv6
-      sed -i "s/listen\s\[\:*\]\:[0-9]*;/listen \[::\]\:${SET_LISTEN_PORT};/" "${cfg}"
-    fi
-    #set correct user
-    if [ "${1}" = "mainsail" ] || [ "${1}" = "fluidd" ]; then
-      sudo sed -i "/root/s/pi/${USER}/" "${cfg}"
-    fi
-    #moving the config file into correct directory
-    sudo mv "${cfg}" "/etc/nginx/sites-available/${1}"
-    ok_msg "Nginx configuration for $1 was set!"
-    if [ -n "${SET_LISTEN_PORT}" ]; then
-      ok_msg "${1} listening on port ${SET_LISTEN_PORT}!"
-    else
-      ok_msg "${1} listening on default port ${DEFAULT_PORT}!"
-    fi
-    #remove nginx default config
-    [ -e "/etc/nginx/sites-enabled/default" ] && sudo rm "/etc/nginx/sites-enabled/default"
-    #create symlink for own sites
-    [ ! -e "/etc/nginx/sites-enabled/${1}" ] && sudo ln -s "/etc/nginx/sites-available/${1}" "/etc/nginx/sites-enabled/"
-    restart_nginx
-  fi
-}
-
-function read_listen_port(){
-  LISTEN_PORT=$(grep listen "/etc/nginx/sites-enabled/${1}" | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
-}
-
-function detect_enabled_sites(){
-  #check if there is another UI config already installed
-  #and reads the port they are listening on
-  if [ -e "/etc/nginx/sites-enabled/mainsail" ]; then
-    SITE_ENABLED="true" && MAINSAIL_ENABLED="true"
-    read_listen_port "mainsail"
-    MAINSAIL_PORT=${LISTEN_PORT}
-    #echo "debug: Mainsail listens on port: $MAINSAIL_PORT"
-  else
-    MAINSAIL_ENABLED="false"
-  fi
-  if [ -e /etc/nginx/sites-enabled/fluidd ]; then
-    SITE_ENABLED="true" && FLUIDD_ENABLED="true"
-    read_listen_port "fluidd"
-    FLUIDD_PORT=${LISTEN_PORT}
-    #echo "debug: Fluidd listens on port: $FLUIDD_PORT"
-  else
-    FLUIDD_ENABLED="false"
-  fi
-  if [ -e /etc/nginx/sites-enabled/octoprint ]; then
-    SITE_ENABLED="true" && OCTOPRINT_ENABLED="true"
-    read_listen_port "octoprint"
-    OCTOPRINT_PORT=${LISTEN_PORT}
-    #echo "debug: OctoPrint listens on port: $OCTOPRINT_PORT"
-  else
-    OCTOPRINT_ENABLED="false"
-  fi
-}
-
-function create_custom_hostname(){
-  echo
-  top_border
-  echo -e "|  You can change the hostname of this machine to use   |"
-  echo -e "|  that name to open the Interface in your browser.     |"
-  echo -e "|                                                       |"
-  echo -e "|  E.g.: If you set the hostname to 'my-printer' you    |"
-  echo -e "|        can open Mainsail / Fluidd / Octoprint by      |"
-  echo -e "|        browsing to: http://my-printer.local           |"
-  bottom_border
-  while true; do
-    read -p "${cyan}###### Do you want to change the hostname? (y/N):${white} " yn
-    case "${yn}" in
-      Y|y|Yes|yes)
-        user_input_hostname
-        break;;
-      N|n|No|no|"") break;;
-      *)
-        print_unkown_cmd
-        print_msg && clear_msg;;
-    esac
-  done
-}
-
-function user_input_hostname(){
-    unset NEW_HOSTNAME
-    unset HOSTNAME_VALID
-    unset HOSTENAME_CONFIRM
-    echo
-    top_border
-    echo -e "|  ${green}Allowed characters: a-z, 0-9 and single '-'${white}          |"
-    echo -e "|  ${red}No special characters allowed!${white}                       |"
-    echo -e "|  ${red}No leading or trailing '-' allowed!${white}                  |"
-    bottom_border
-    while true; do
-      read -p "${cyan}###### Please set the new hostname:${white} " NEW_HOSTNAME
-      if [[ ${NEW_HOSTNAME} =~ ^[^\-\_]+([0-9a-z]\-{0,1})+[^\-\_]+$ ]]; then
-        ok_msg "'${NEW_HOSTNAME}' is a valid hostname!"
-        HOSTNAME_VALID="true"
-        while true; do
-          echo
-          read -p "${cyan}###### Do you want '${NEW_HOSTNAME}' to be the new hostname? (Y/n):${white} " yn
-          case "${yn}" in
-            Y|y|Yes|yes|"")
-              echo -e "###### > Yes"
-              HOSTENAME_CONFIRM="true"
-              break;;
-            N|n|No|no)
-              echo -e "###### > No"
-              echo -e "${red}Skip hostname change ...${white}"
-              HOSTENAME_CONFIRM="false"
-              break;;
-            *)
-              print_error "Invalid command!";;
-          esac
-        done
-      break
-      else
-        warn_msg "'${NEW_HOSTNAME}' is not a valid hostname!"
-      fi
-    done
-}
-
-function set_hostname(){
-  if [ "${HOSTNAME_VALID}" = "true" ] && [ "${HOSTENAME_CONFIRM}" = "true" ]; then
-    #check for dependencies
-    dep=(avahi-daemon)
-    dependency_check "${dep[@]}"
-    #execute operations
-    #get current hostname and write to variable
-    HOSTNAME=$(hostname)
-    #create host file if missing or create backup of existing one with current date&time
-    if [ -f /etc/hosts ]; then
-      status_msg "Creating backup of hosts file ..."
-      get_date
-      sudo cp "/etc/hosts /etc/hosts.${current_date}.bak"
-      ok_msg "Backup done!"
-      ok_msg "File:'/etc/hosts.${current_date}.bak'"
-    else
-      sudo touch /etc/hosts
-    fi
-    #set hostname in /etc/hostname
-    status_msg "Setting hostname to '${NEW_HOSTNAME}' ..."
-    status_msg "Please wait ..."
-    sudo hostnamectl set-hostname "${NEW_HOSTNAME}"
-    #write new hostname to /etc/hosts
-    status_msg "Writing new hostname to /etc/hosts ..."
-    echo "127.0.0.1       ${NEW_HOSTNAME}" | sudo tee -a /etc/hosts &>/dev/null
-    ok_msg "New hostname successfully configured!"
-    ok_msg "Remember to reboot for the changes to take effect!"
-  fi
-}
--- a/scripts/nginx.sh
+++ b/scripts/nginx.sh
@@ -20,7 +20,7 @@ NGINX_CONFD="/etc/nginx/conf.d"
 #=================== REMOVE NGINX ==================#
 #===================================================#

-remove_nginx(){
+function remove_nginx(){
  if ls /lib/systemd/system/nginx.service 2>/dev/null 1>&2; then
    status_msg "Stopping Nginx service ..."
    sudo systemctl stop nginx && sudo systemctl disable nginx
@@ -238,4 +238,76 @@ function process_services_dialog(){
      esac
    done
  fi
+}
+
+function set_nginx_cfg(){
+  if [ "${SET_NGINX_CFG}" = "true" ]; then
+    local cfg="${SRCDIR}/kiauh/resources/${1}"
+    #check for dependencies
+    dep=(nginx)
+    dependency_check "${dep[@]}"
+    #execute operations
+    status_msg "Creating Nginx configuration for ${1} ..."
+    #copy content from resources to the respective nginx config file
+    cat "${SRCDIR}/kiauh/resources/klipper_webui_nginx.cfg" > "${cfg}"
+    ##edit the nginx config file before moving it
+    sed -i "s/<<UI>>/${1}/g" "${cfg}"
+    if [ "${SET_LISTEN_PORT}" != "${DEFAULT_PORT}" ]; then
+      status_msg "Configuring port for $1 ..."
+      #set listen port ipv4
+      sed -i "s/listen\s[0-9]*;/listen ${SET_LISTEN_PORT};/" "${cfg}"
+      #set listen port ipv6
+      sed -i "s/listen\s\[\:*\]\:[0-9]*;/listen \[::\]\:${SET_LISTEN_PORT};/" "${cfg}"
+    fi
+    #set correct user
+    if [ "${1}" = "mainsail" ] || [ "${1}" = "fluidd" ]; then
+      sudo sed -i "/root/s/pi/${USER}/" "${cfg}"
+    fi
+    #moving the config file into correct directory
+    sudo mv "${cfg}" "/etc/nginx/sites-available/${1}"
+    ok_msg "Nginx configuration for $1 was set!"
+    if [ -n "${SET_LISTEN_PORT}" ]; then
+      ok_msg "${1} listening on port ${SET_LISTEN_PORT}!"
+    else
+      ok_msg "${1} listening on default port ${DEFAULT_PORT}!"
+    fi
+    #remove nginx default config
+    [ -e "/etc/nginx/sites-enabled/default" ] && sudo rm "/etc/nginx/sites-enabled/default"
+    #create symlink for own sites
+    [ ! -e "/etc/nginx/sites-enabled/${1}" ] && sudo ln -s "/etc/nginx/sites-available/${1}" "/etc/nginx/sites-enabled/"
+    restart_nginx
+  fi
+}
+
+function read_listen_port(){
+  LISTEN_PORT=$(grep listen "/etc/nginx/sites-enabled/${1}" | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
+}
+
+function detect_enabled_sites(){
+  #check if there is another UI config already installed
+  #and reads the port they are listening on
+  if [ -e "/etc/nginx/sites-enabled/mainsail" ]; then
+    SITE_ENABLED="true" && MAINSAIL_ENABLED="true"
+    read_listen_port "mainsail"
+    MAINSAIL_PORT=${LISTEN_PORT}
+    #echo "debug: Mainsail listens on port: $MAINSAIL_PORT"
+  else
+    MAINSAIL_ENABLED="false"
+  fi
+  if [ -e /etc/nginx/sites-enabled/fluidd ]; then
+    SITE_ENABLED="true" && FLUIDD_ENABLED="true"
+    read_listen_port "fluidd"
+    FLUIDD_PORT=${LISTEN_PORT}
+    #echo "debug: Fluidd listens on port: $FLUIDD_PORT"
+  else
+    FLUIDD_ENABLED="false"
+  fi
+  if [ -e /etc/nginx/sites-enabled/octoprint ]; then
+    SITE_ENABLED="true" && OCTOPRINT_ENABLED="true"
+    read_listen_port "octoprint"
+    OCTOPRINT_PORT=${LISTEN_PORT}
+    #echo "debug: OctoPrint listens on port: $OCTOPRINT_PORT"
+  else
+    OCTOPRINT_ENABLED="false"
+  fi
 }
--- a/scripts/rollback.sh
+++ b/scripts/rollback.sh
@@ -11,7 +11,7 @@

 set -e

-save_klipper_state(){
+function save_klipper_state(){
  source_kiauh_ini
  #read current klipper state
  cd $KLIPPER_DIR
@@ -31,7 +31,7 @@ save_klipper_state(){
  fi
 }

-load_klipper_state(){
+function load_klipper_state(){
  source_kiauh_ini
  print_branch
  cd $KLIPPER_DIR
@@ -63,7 +63,7 @@ load_klipper_state(){
  rollback_klipper
 }

-rollback_ui(){
+function rollback_ui(){
  top_border
  echo -e "|     $(title_msg "~~~~~~~~~~~~~ [ Rollback Menu ] ~~~~~~~~~~~~~")     | "
  hr
@@ -82,7 +82,7 @@ rollback_ui(){
  back_footer
 }

-rollback_klipper(){
+function rollback_klipper(){
  if [ "$PREVIOUS_COMMIT" != "0" ] && [ "$CURRENT_COMMIT" != "$PREVIOUS_COMMIT" ]; then
    while true; do
        echo -e "${cyan}"
--- a/scripts/status.sh
+++ b/scripts/status.sh
@@ -1,29 +0,0 @@
-check_system_updates(){
-  SYS_UPDATE=$(apt list --upgradeable 2>/dev/null | sed "1d")
-  if [ ! -z "$SYS_UPDATE" ]; then
-    # add system updates to the update all array for the update all function in the updater
-    SYS_UPDATE_AVAIL="true" && update_arr+=(update_system)
-    DISPLAY_SYS_UPDATE="${yellow}System upgrade available!${white}"
-  else
-    SYS_UPDATE_AVAIL="false"
-    DISPLAY_SYS_UPDATE="${green}System up to date!       ${white}"
-  fi
-}
-
-#############################################################
-#############################################################
-
-#display this as placeholder if no version/commit could be fetched
-NONE="${red}$(printf "%-12s" "--------")${default}"
-
-ui_print_versions(){
-  unset update_arr
-  check_system_updates
-#  compare_klipper_versions
-#  compare_moonraker_versions
-#  compare_mainsail_versions
-#  compare_fluidd_versions
-#  compare_klipperscreen_versions
-#  compare_MoonrakerTelegramBot_versions
-#  compare_pgc_versions
-}
--- a/scripts/ui/advanced_menu.sh
+++ b/scripts/ui/advanced_menu.sh
@@ -11,7 +11,7 @@

 set -e

-advanced_ui(){
+function advanced_ui(){
  top_border
  echo -e "|     ${yellow}~~~~~~~~~~~~~ [ Advanced Menu ] ~~~~~~~~~~~~~${white}     | "
  hr
@@ -23,10 +23,10 @@ advanced_ui(){
  echo -e "|  3) [Flash only]        |                             | "
  echo -e "|  4) [Build + Flash]     | Extras:                     | "
  echo -e "|  5) [Get MCU ID]        | 8) [G-Code Shell Command]   | "
-back_footer
+  back_footer
 }

-advanced_menu(){
+function advanced_menu(){
  do_action "" "advanced_ui"
  while true; do
    read -p "${cyan}Perform action:${white} " action; echo
--- a/scripts/ui/backup_menu.sh
+++ b/scripts/ui/backup_menu.sh
@@ -11,7 +11,7 @@

 set -e

-backup_ui(){
+function backup_ui(){
  top_border
  echo -e "|     $(title_msg "~~~~~~~~~~~~~~ [ Backup Menu ] ~~~~~~~~~~~~~~")     | "
  hr
@@ -30,11 +30,11 @@ backup_ui(){
  back_footer
 }

-backup_menu(){
+function backup_menu(){
  do_action "" "backup_ui"
  while true; do
    read -p "${cyan}Perform action:${white} " action; echo
-    case "$action" in
+    case "${action}" in
      0)
        do_action "backup_klipper_config_dir" "backup_ui";;
      1)
--- a/scripts/ui/general_ui.sh
+++ b/scripts/ui/general_ui.sh
@@ -12,41 +12,41 @@
 set -e

 #ui total width = 57 chars
-top_border(){
+function top_border(){
  echo -e "/=======================================================\\"
 }

-bottom_border(){
+function bottom_border(){
  echo -e "\=======================================================/"
 }

-blank_line(){
+function blank_line(){
  echo -e "|                                                       |"
 }

-hr(){
+function hr(){
  echo -e "|-------------------------------------------------------|"
 }

-quit_footer(){
+function quit_footer(){
  hr
  echo -e "|                        ${red}Q) Quit${white}                        |"
  bottom_border
 }

-back_footer(){
+function back_footer(){
  hr
  echo -e "|                       ${green}B) « Back${white}                       |"
  bottom_border
 }

-back_help_footer(){
+function back_help_footer(){
  hr
  echo -e "|         ${green}B) « Back${white}         |        ${yellow}H) Help [?]${white}        |"
  bottom_border
 }

-print_header(){
+function print_header(){
  top_border
  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~~~ [ KIAUH ] ~~~~~~~~~~~~~~~~~")     |"
  echo -e "|     $(title_msg "   Klipper Installation And Update Helper    ")     |"
@@ -54,12 +54,7 @@ print_header(){
  bottom_border
 }

-################################################################################
-#******************************************************************************#
-################################################################################
-### TODO: rework other menus to make use of the following functions too and make them more readable
-
-do_action(){
+function do_action(){
  clear && print_header
  ### $1 is the action the user wants to fire
  $1
@@ -68,7 +63,7 @@ do_action(){
  $2
 }

-deny_action(){
+function deny_action(){
  clear && print_header
  print_error "Invalid command!"
  $1
--- a/scripts/ui/main_menu.sh
+++ b/scripts/ui/main_menu.sh
@@ -11,7 +11,7 @@

 set -e

-main_ui(){
+function main_ui(){
  top_border
  echo -e "|     $(title_msg "~~~~~~~~~~~~~~~ [ Main Menu ] ~~~~~~~~~~~~~~~")     |"
  hr
@@ -29,14 +29,14 @@ main_ui(){
  quit_footer
 }

-get_kiauh_version(){
+function get_kiauh_version(){
  local version
  cd "${SRCDIR}/kiauh"
  version="$(printf "%-20s" "$(git describe HEAD --always --tags | cut -d "-" -f 1,2)")"
  echo "${cyan}${version}${white}"
 }

-kiauh_update_dialog(){
+function kiauh_update_dialog(){
  [ ! "$(kiauh_update_avail)" == "true" ] && return
  top_border
  echo -e "|${green}              New KIAUH update available!              ${white}| "
@@ -60,7 +60,7 @@ kiauh_update_dialog(){
  done
 }

-main_menu(){
+function main_menu(){
  print_header
  #prompt for KIAUH update if update available
  kiauh_update_dialog
--- a/scripts/ui/remove_menu.sh
+++ b/scripts/ui/remove_menu.sh
@@ -11,7 +11,7 @@

 set -e

-remove_ui(){
+function remove_ui(){
  top_border
  echo -e "|     ${red}~~~~~~~~~~~~~~ [ Remove Menu ] ~~~~~~~~~~~~~~${white}     | "
  hr
@@ -30,7 +30,7 @@ remove_ui(){
  back_footer
 }

-remove_menu(){
+function remove_menu(){
  do_action "" "remove_ui"
  while true; do
    read -p "${cyan}Perform action:${white} " action; echo
--- a/scripts/ui/settings_menu.sh
+++ b/scripts/ui/settings_menu.sh
@@ -117,7 +117,7 @@ function show_settings_help(){
  done
 }

-settings_menu(){
+function settings_menu(){
  clear && print_header
  settings_ui
  while true; do
@@ -127,7 +127,7 @@ settings_menu(){
        change_klipper_cfg_folder && settings_ui;;
      2)
        clear && print_header
-        change_klipper_repo_menu
+        change_klippefunction r_repo_menu
        settings_ui;;
      3)
        switch_mainsail_releasetype && settings_menu;;
--- a/scripts/ui/update_menu.sh
+++ b/scripts/ui/update_menu.sh
@@ -11,8 +11,7 @@

 set -e

-update_ui(){
-  ui_print_versions
+function update_ui(){
  top_border
  echo -e "|     ${green}~~~~~~~~~~~~~~ [ Update Menu ] ~~~~~~~~~~~~~~${white}     | "
  hr
@@ -39,7 +38,8 @@ update_ui(){
  back_footer
 }

-update_menu(){
+function update_menu(){
+  unset update_arr
  read_bb4u_stat
  do_action "" "update_ui"
  while true; do
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -1,54 +0,0 @@
-update_log_paths(){
-  ### update services to make use of moonrakers new log_path option
-  ### https://github.com/Arksine/moonraker/commit/829b3a4ee80579af35dd64a37ccc092a1f67682a
-  shopt -s extglob # enable extended globbing
-  source_kiauh_ini
-  LPATH="${HOME}/klipper_logs"
-  [ ! -d "$LPATH" ] && mkdir -p "$LPATH"
-  FILE="$SYSTEMDDIR/$1?(-*([0-9])).service"
-  for file in $(ls $FILE); do
-    [ "$1" == "klipper" ] && LOG="klippy"
-    [ "$1" == "moonraker" ] && LOG="moonraker"
-    if [ ! "$(grep "\-l" $file)" ]; then
-      status_msg "Updating $file ..."
-      sudo sed -i -r "/ExecStart=/ s|$| -l $LPATH/$LOG.log|" $file
-      ok_msg "$file updated!"
-    elif [ "$(grep "\-l \/tmp\/$LOG" $file)" ]; then
-      status_msg "Updating $file ..."
-      sudo sed -i -r "/ExecStart=/ s|-l \/tmp\/$LOG|-l $LPATH/$LOG|" $file
-      ok_msg "$file updated!"
-    fi
-  done
-  sudo systemctl daemon-reload
-
-  # patch log_path entry if not found
-  dir1="$klipper_cfg_loc"
-  dir2="$klipper_cfg_loc/printer_*"
-  for conf in $(find $dir1 $dir2 -name "moonraker.conf" 2> /dev/null); do
-    if ! grep -q "log_path" $conf; then
-      status_msg "Patching $conf"
-      sed -i "/^config_path/a log_path: $LPATH" $conf
-      ok_msg "OK!"
-    fi
-  done
-
-  # create symlink for mainsail and fluidd nginx logs
-  symlink_webui_nginx_log "mainsail"
-  symlink_webui_nginx_log "fluidd"
-
-  # create symlink for webcamd log
-  if [ -f "/var/log/webcamd.log" ] && [ ! -L "$LPATH/webcamd.log" ]; then
-    status_msg "Creating symlink for '/var/log/webcamd.log' ..."
-    ln -s "/var/log/webcamd.log" "$LPATH"
-    ok_msg "OK!"
-  fi
-
-  shopt -u extglob # disable extended globbing
-}
-
-update_system(){
-  status_msg "Updating System ..."
-  sudo apt-get update --allow-releaseinfo-change && sudo apt-get upgrade -y
-  CONFIRM_MSG="Update complete! Check the log above!\n ${yellow}KIAUH will not install any dist-upgrades or\n any packages which have been kept back!${green}"
-  print_msg && clear_msg
-}
--- a/scripts/utilities.sh
+++ b/scripts/utilities.sh
@@ -565,9 +565,28 @@ function fetch_webui_ports(){
 }

 #================================================#
-#================= USERGROUPS ===================#
+#=================== SYSTEM =====================#
 #================================================#

+function check_system_updates(){
+  SYS_UPDATE=$(apt list --upgradeable 2>/dev/null | sed "1d")
+  if [ ! -z "$SYS_UPDATE" ]; then
+    # add system updates to the update all array for the update all function in the updater
+    SYS_UPDATE_AVAIL="true" && update_arr+=(update_system)
+    DISPLAY_SYS_UPDATE="${yellow}System upgrade available!${white}"
+  else
+    SYS_UPDATE_AVAIL="false"
+    DISPLAY_SYS_UPDATE="${green}System up to date!       ${white}"
+  fi
+}
+
+function update_system(){
+  status_msg "Updating System ..."
+  sudo apt-get update --allow-releaseinfo-change && sudo apt-get upgrade -y
+  CONFIRM_MSG="Update complete! Check the log above!\n ${yellow}KIAUH will not install any dist-upgrades or\n any packages which have been kept back!${green}"
+  print_msg && clear_msg
+}
+
 function check_usergroups(){
  local group_dialout group_tty
  if grep -q "dialout" </etc/group && ! grep -q "dialout" <(groups "${USER}"); then
@@ -613,4 +632,97 @@ function check_usergroups(){
      esac
    done
  fi
+}
+
+function create_custom_hostname(){
+  echo
+  top_border
+  echo -e "|  You can change the hostname of this machine to use   |"
+  echo -e "|  that name to open the Interface in your browser.     |"
+  echo -e "|                                                       |"
+  echo -e "|  E.g.: If you set the hostname to 'my-printer' you    |"
+  echo -e "|        can open Mainsail / Fluidd / Octoprint by      |"
+  echo -e "|        browsing to: http://my-printer.local           |"
+  bottom_border
+  while true; do
+    read -p "${cyan}###### Do you want to change the hostname? (y/N):${white} " yn
+    case "${yn}" in
+      Y|y|Yes|yes)
+        user_input_hostname
+        break;;
+      N|n|No|no|"") break;;
+      *)
+        print_unkown_cmd
+        print_msg && clear_msg;;
+    esac
+  done
+}
+
+function user_input_hostname(){
+    unset NEW_HOSTNAME
+    unset HOSTNAME_VALID
+    unset HOSTENAME_CONFIRM
+    echo
+    top_border
+    echo -e "|  ${green}Allowed characters: a-z, 0-9 and single '-'${white}          |"
+    echo -e "|  ${red}No special characters allowed!${white}                       |"
+    echo -e "|  ${red}No leading or trailing '-' allowed!${white}                  |"
+    bottom_border
+    while true; do
+      read -p "${cyan}###### Please set the new hostname:${white} " NEW_HOSTNAME
+      if [[ ${NEW_HOSTNAME} =~ ^[^\-\_]+([0-9a-z]\-{0,1})+[^\-\_]+$ ]]; then
+        ok_msg "'${NEW_HOSTNAME}' is a valid hostname!"
+        HOSTNAME_VALID="true"
+        while true; do
+          echo
+          read -p "${cyan}###### Do you want '${NEW_HOSTNAME}' to be the new hostname? (Y/n):${white} " yn
+          case "${yn}" in
+            Y|y|Yes|yes|"")
+              echo -e "###### > Yes"
+              HOSTENAME_CONFIRM="true"
+              break;;
+            N|n|No|no)
+              echo -e "###### > No"
+              echo -e "${red}Skip hostname change ...${white}"
+              HOSTENAME_CONFIRM="false"
+              break;;
+            *)
+              print_error "Invalid command!";;
+          esac
+        done
+      break
+      else
+        warn_msg "'${NEW_HOSTNAME}' is not a valid hostname!"
+      fi
+    done
+}
+
+function set_hostname(){
+  if [ "${HOSTNAME_VALID}" = "true" ] && [ "${HOSTENAME_CONFIRM}" = "true" ]; then
+    #check for dependencies
+    dep=(avahi-daemon)
+    dependency_check "${dep[@]}"
+    #execute operations
+    #get current hostname and write to variable
+    HOSTNAME=$(hostname)
+    #create host file if missing or create backup of existing one with current date&time
+    if [ -f /etc/hosts ]; then
+      status_msg "Creating backup of hosts file ..."
+      get_date
+      sudo cp "/etc/hosts /etc/hosts.${current_date}.bak"
+      ok_msg "Backup done!"
+      ok_msg "File:'/etc/hosts.${current_date}.bak'"
+    else
+      sudo touch /etc/hosts
+    fi
+    #set hostname in /etc/hostname
+    status_msg "Setting hostname to '${NEW_HOSTNAME}' ..."
+    status_msg "Please wait ..."
+    sudo hostnamectl set-hostname "${NEW_HOSTNAME}"
+    #write new hostname to /etc/hosts
+    status_msg "Writing new hostname to /etc/hosts ..."
+    echo "127.0.0.1       ${NEW_HOSTNAME}" | sudo tee -a /etc/hosts &>/dev/null
+    ok_msg "New hostname successfully configured!"
+    ok_msg "Remember to reboot for the changes to take effect!"
+  fi
 }