First initial tweaks

hostname

hostname --set-hostname <hostname>

disable IPv6 stack

NTP client config

DNS resolver config

repositories check

Install additional utilities

zypper install \
    tmux \
    htop \
    ncdu \
    traceroute \
    tcpdump \
    

Install KDE GDE

sudo zypper install -t pattern kde_plasma
sudo zypper install -t pattern kde_plasma kde_apps