Simple update notifier and installer for DNF package management. Works only in 64-bit systems. Tested in PCLinuxOS 2026 Mate. If using IceWM desktop, then /usr/local/bin/UPDATE need to add to the $HOME/.icewm/startup file.
Update-notifier-DNF-with-source.zip
#!/bin/bash
#
# RJP 27.6.2026 Simple update-cherker for PCLinuxOS and other systems which uses DNF package management
# Packages yad, xterm and dnf are needed
sleep 5
#
touch ~/.Xresources
echo ' ! Use a truetype font and size.
xterm*faceName: Monospace ' | grep -xFv -f $HOME/.Xresources >> $HOME/.Xresources
echo 'xterm*faceSize: 14 ' | grep -xFv -f $HOME/.Xresources >> $HOME/.Xresources
xrdb -merge ~/.Xresources
dnf upgrade --assumeno > /tmp/update-check.txt
112=$({
echo '#!/bin/bash
LIST=$(cat /tmp/update-check.txt)
export DISPLAY=:0.0
echo "$LIST" | yad --list --title "Search Results" --width=1000 --height=500 --text "INFORMATION" --column "AVAILABLE UPDATES" --button=OK:1
yad --text="Would you like to install updates?" --title="UPDATER"
if [ $? = 0 ];
then
xterm -hold -e su -c "dnf makecache --refresh && dnf update && dnf upgrade "
else
exit 0
fi
'
} > /tmp/run-updates)
chmod +x /tmp/run-updates
grep -o 'x86_64' /tmp/update-check.txt > /tmp/u2.txt
A=$(awk 'FNR <= 1' /tmp/u2.txt) B=$(grep -o 'x86_64' /opt/UPDATE/b.txt) if [ "$A" = "$B" ] then cd /tmp && ./run-updates else ##echo "NO UPDATES AVAILABLE." yad --width=400 --title=$"NO UPDATES AVAILABLE" --text-align=center --button=OK:1 --text=$"No updades available this moment." fi sleep 300 cd /tmp && rm u2.txt update-check.txt run-updates
