Symlink '/sbin/shutdown' and '/sbin/reboot' to '/usr/bin' if not present there

post-inst.sh

@@ -250,6 +250,14 @@ EOF
 	fi
 fi
 
+if [[ ! -f '/usr/bin/shutdown' ]]; then
+	ln -s /sbin/shutdown /usr/bin/shutdown
+fi
+
+if [[ ! -f '/usr/bin/reboot' ]]; then
+	ln -s /sbin/reboot /usr/bin/reboot
+fi
+
 zfs \
 	snapshot \
 	${HOSTNAME,,}/ROOT/${ID}@post-install