state=$(systemctl is-system-running 2>/dev/null || true)
uptime_str() {
  awk '{s=int($1);d=int(s/86400);h=int((s%86400)/3600);m=int((s%3600)/60);
    if(d>0)printf "%d days %d hours",d,h;
    else if(h>0)printf "%d hours %d min",h,m;
    else printf "%d min",m}' /proc/uptime
}
printf 'HOST: %s  UP: %s  STATE: %s\n' "$(hostname)" "$(uptime_str)" "$state"
printf '%0.s-' {1..60}; printf '\n'

systemctl list-units --all --type=service \
  --state=active,failed --no-legend --no-pager --plain 2>/dev/null \
| awk '
  NF >= 4 {
    unit=$1; active=$3; sub=$4
    if (unit ~ /^(getty@|console-getty\.service)/) next
    if (unit ~ /^systemd-(tmpfiles|binfmt|modules-load|sysctl|ask-password|remount|random-seed|update-done|hibernate|sleep|suspend|reboot|poweroff)/) next
    state = (active == "failed") ? "FAILED" : sub
    printf "  %-50s %s\n", unit, state
  }
'