Can you please tell me the command to disable private mode? I keep getting syntax errors, with e.g. ./tezos-node config update '--private-mode: false'.
It's not possible; the config update command does not support setting private-mode back to false.
You could edit the config file by hand, e.g. changing "private-mode": true to "private-mode": false. By default, the config file is located at ~/.tezos-node/config.json.
Another option would be to use tezos-node config reset ...your options..., which will reset the config (!) and replace it with whatever you supply.
