PEERS="a2b2f74676249a354ceb3a7d921c2e484f69a612@peer.celestia.testnet.dteam.tech:26656"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"" $HOME/.celestia-app/config/config.toml
sudo systemctl restart celestia-appd
sudo journalctl -u celestia-appd -f -o cat