1# fade-to-black.sh 2 3#!/bin/bash 4 5# pre-boot 6sudo sed -i 's/if background_color 44,0,30,0; then/if background_color 0,0,0 ; then/g' /usr/share/plymouth/themes/default.grub 7sudo update-grub 8 9# boot screen10sudo sed -i 's/^Window.SetBackgroundTopColor.*/Window.SetBackgroundTopColor (0.00, 0.00, 0.00);/g' /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.script11sudo sed -i 's/^Window.SetBackgroundBottomColor.*/Window.SetBackgroundBottomColor (0.00, 0.00, 0.00);/g' /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.script12sudo update-initramfs -u1314# login screen15sudo sed -i 's/background-color: #2C001E;/background-color: #000000;/g' /etc/alternatives/gdm3.css1617# gen-wallpapers.sh1819#!/bin/bash2021# https://help.ubuntu.com/community/SlideshowWallpapers2223NAME='My Wallpapers'24DELAY=300.025FADE=4.026PAPERS='robot.jpg squirrel.jpg bsod.jpg'272829WP_MAIN_PATH=~/.local/share/gnome-background-properties30WP_MAIN_FILE=MySlideshowCollection.xml3132WP_PATH=~/.local/share/backgrounds/MyWallpapers33WP_FILE=MySlideshow.xml3435FIRST=${PAPERS%% *}3637mkdir -p $WP_MAIN_PATH38echo '<?xml version="1.0" encoding="UTF-8"?>' > $WP_MAIN_PATH/$WP_MAIN_FILE39echo '<!DOCTYPE wallpapers SYSTEM "gnome-wp-list.dtd">' >> $WP_MAIN_PATH/$WP_MAIN_FILE40echo '<wallpapers>' >> $WP_MAIN_PATH/$WP_MAIN_FILE41echo '  <wallpaper>' >> $WP_MAIN_PATH/$WP_MAIN_FILE42echo "    <name>$NAME</name>" >> $WP_MAIN_PATH/$WP_MAIN_FILE43echo "    <filename>$WP_PATH/$WP_FILE</filename>" >> $WP_MAIN_PATH/$WP_MAIN_FILE44echo '    <options>zoom</options>' >> $WP_MAIN_PATH/$WP_MAIN_FILE45echo '    <pcolor>#2c001e</pcolor>' >> $WP_MAIN_PATH/$WP_MAIN_FILE46echo '    <scolor>#2c001e</scolor>' >> $WP_MAIN_PATH/$WP_MAIN_FILE47echo '    <shade_type>solid</shade_type>' >> $WP_MAIN_PATH/$WP_MAIN_FILE48echo '  </wallpaper>' >> $WP_MAIN_PATH/$WP_MAIN_FILE49echo '</wallpapers>' >> $WP_MAIN_PATH/$WP_MAIN_FILE5051mkdir -p $WP_PATH52echo '<background>' > $WP_PATH/$WP_FILE53echo '  <starttime>' >> $WP_PATH/$WP_FILE54echo "    <year>`date +'%Y'`</year>" >> $WP_PATH/$WP_FILE55echo "    <month>`date +'%m'`</month>" >> $WP_PATH/$WP_FILE56echo "    <day>`date +'%d'`</day>" >> $WP_PATH/$WP_FILE57echo "    <hour>`date +'%H'`</hour>" >> $WP_PATH/$WP_FILE58echo "    <minute>`date +'%M'`</minute>" >> $WP_PATH/$WP_FILE59echo "    <second>`date +'%S'`</second>" >> $WP_PATH/$WP_FILE60echo '  </starttime>' >> $WP_PATH/$WP_FILE6162LAST_IMAGE=''63for IMAGE in `echo $PAPERS $FIRST`; do64    if [ ! -e "$IMAGE" ]; then65        echo "Missing $IMAGE"66        continue67    else68        cp $IMAGE $WP_PATH/$IMAGE69    fi7071    if [[ "$LAST_IMAGE" ]]; then72        echo '  <transition>' >> $WP_PATH/$WP_FILE73        echo "    <duration>$FADE</duration>" >> $WP_PATH/$WP_FILE74        echo "    <from>$WP_PATH/$LAST_IMAGE</from>" >> $WP_PATH/$WP_FILE75        echo "    <to>$WP_PATH/$IMAGE</to>" >> $WP_PATH/$WP_FILE76        echo '  </transition>' >> $WP_PATH/$WP_FILE7778        if [[ "$FIRST" == "$IMAGE" ]]; then79            break80        fi81    fi8283    echo '  <static>' >> $WP_PATH/$WP_FILE84    echo "    <duration>$DELAY</duration>" >> $WP_PATH/$WP_FILE85    echo "    <file>$WP_PATH/$IMAGE</file>" >> $WP_PATH/$WP_FILE86    echo '  </static>' >> $WP_PATH/$WP_FILE8788    LAST_IMAGE=$IMAGE89done9091echo '</background>' >> $WP_PATH/$WP_FILE