systemctl stop avail
# delete the database. If necessary, change the path to your own
rm -r $HOME/.avail/data/chains/avail_turing_network/paritydb/
# download snapshot. If necessary, change the path to your own
curl -o - -L https://share102.utsa.tech/avail-testnet/avail-archive.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.avail/data/chains/avail_turing_network/
systemctl restart avail && journalctl -u avail -f -o cat