First initial tweaks

hostname 
 hostname --set-hostname <hostname>
 
 disable IPv6 stack 
 adjust GRUB timeoute 
 NTP client config 
 DNS resolver config 
 repositories check 
 Install additional utilities 
 zypper install \
 tmux \
 htop \
 ncdu \
 traceroute \
 tcpdump \
 
 
 Install KDE GDE 
 zypper install -t pattern kde_plasma
zypper install -t pattern kde_plasma kde_apps
systemctl set-default graphical.target