2021-11-26 14:13:39 +00:00
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- **Q:** The clightning service is running but when I try to use it (f.e. by running
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`lightning-cli getinfo` as user operator) all I get is `lightning-cli: Connecting
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to 'lightning-rpc': Connection refused`.\
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**A:** Check your clightning logs with `journalctl -eu clightning`. Do you see
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something like `bitcoin-cli getblock ... false` failed? Are you using pruned mode?
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That means that clightning hasn't seen all the blocks it needs to and it can't get
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that block because your node is pruned. \
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If you're just setting up a new node you can `systemctl stop clightning` and wipe
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your `/var/lib/clightning` directory. Otherwise you need to reindex the Bitcoin
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node.
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- **Q:** My disk space is getting low due to nix.\
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**A:** run `nix-collect-garbage -d`
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- **Q:** Where is `sudo`?\
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**A:** After [CVE-2021-3156](https://www.openwall.com/lists/oss-security/2021/01/26/3),
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we've replaced `sudo` with OpenBSD's `doas` for users of the `secure-node.nix` template.
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It has greatly reduced complexity and is therefore less likely to be a source of
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severe vulnerabilities in the future.
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