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Add "unable to write 'random state'" resolution (#1219)

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I ran into the same issue as #1058, and the solution worked.

This PR generalizes the solution and adds it to the troubleshooting documentation, making it easier to resolve for future users.
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Jack Sullivan 2018-11-26 22:09:33 -08:00 • committed by Jack Ivanov
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18
docs/troubleshooting.md
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@ -18,6 +18,7 @@ First of all, check [this](https://github.com/trailofbits/algo#features) and ens
* [Windows: The value of parameter linuxConfiguration.ssh.publicKeys.keyData is invalid](#windows-the-value-of-parameter-linuxconfigurationsshpublickeyskeydata-is-invalid)
* [Docker: Failed to connect to the host via ssh](#docker-failed-to-connect-to-the-host-via-ssh)
* [Wireguard: Unable to find 'configs/...' in expected paths](#wireguard-unable-to-find-configs-in-expected-paths)
* [Ubuntu Error: "unable to write 'random state" when generating CA password](#ubuntu-error-unable-to-write-random-state-when-generating-ca-password")
* [Connection Problems](#connection-problems)
* [I'm blocked or get CAPTCHAs when I access certain websites](#im-blocked-or-get-captchas-when-i-access-certain-websites)
* [I want to change the list of trusted Wifi networks on my Apple device](#i-want-to-change-the-list-of-trusted-wifi-networks-on-my-apple-device)
@ -268,6 +269,23 @@ sudo rm -rf /etc/wireguard/*.lock
```
Then immediately re-run `./algo`.
### Ubuntu Error: "unable to write 'random state" when generating CA password
When running Algo, you received an error like this:
```
TASK [common : Generate password for the CA key] ***********************************************************************************************************************************************************
fatal: [xxx.xxx.xxx.xxx -> localhost]: FAILED! => {"changed": true, "cmd": "openssl rand -hex 16", "delta": "0:00:00.024776", "end": "2018-11-26 13:13:55.879921", "msg": "non-zero return code", "rc": 1, "start": "2018-11-26 13:13:55.855145", "stderr": "unable to write 'random state'", "stderr_lines": ["unable to write 'random state'"], "stdout": "xxxxxxxxxxxxxxxxxxx", "stdout_lines": ["xxxxxxxxxxxxxxxxxxx"]}
```
This happens when your user does not have ownership of the `$HOME/.rnd` file, which is a seed for randomization. To fix this issue, give your user ownership of the file with this command:
```
sudo chown $USER:$USER $HOME/.rnd
```
Now, run Algo again.
## Connection Problems
Look here if you deployed an Algo server but now have a problem connecting to it with a client.