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# Troubleshooting
## General Tips
- Check the BigchainDB, Tendermint and MongoDB logs.
- Try Googling the error message.
## Resolving Tendermint Connectivity Problems
To check which nodes your node is connected to (via Tendermint protocols), do:
```text
# if you don't have jq installed, then install it
sudo apt install jq
# then do
curl -s localhost:26657/net_info | jq ".result.peers[].node_info | {id, listen_addr, moniker}"
```
Note: Tendermint has other endpoints besides `/net_info`: see [the Tendermint RPC docs](https://tendermint.github.io/slate/?shell#introduction).
If you're running your network inside a [private network](https://en.wikipedia.org/wiki/Private_network), e.g. with IP addresses of the form 192.168.x.y, then you may have to change the following setting in `config.toml`:
```text
addr_book_strict = false
```
## Other Problems
If you're stuck, maybe [file a new issue on GitHub](https://github.com/bigchaindb/bigchaindb/issues/new). If your problem occurs often enough, we'll write about it here.