[Unit]
Description=config backup bootup
After=syno-bootup-done.target
IgnoreOnIsolate=yes

[Service]
Type=simple
ExecStart=/bin/bash -c "/bin/sleep $[ ( $RANDOM % 3600 ) ]s; /usr/syno/bin/synoconfbkp autobackup"
RemainAfterExit=yes

[Install]
WantedBy=syno-bootup-done.target

[X-Synology]