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Update README.md
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README.md
18
README.md
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@ -103,10 +103,13 @@ docker run \
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Tip: you can use [atmoz/makepasswd](https://hub.docker.com/r/atmoz/makepasswd/) to generate encrypted passwords:
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`echo -n "your-password" | docker run -i --rm atmoz/makepasswd --crypt-md5 --clearfrom=-`
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## Using SSH key (and no password)
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## Logging in with SSH keys
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Mount all public keys in the user's `.ssh/keys/` directory. All keys are automatically
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appended to `.ssh/authorized_keys`.
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Mount public keys in the user's `.ssh/keys/` directory. All keys are
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automatically appended to `.ssh/authorized_keys` (you can't mount this file
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directly, because OpenSSH requires limited file permissions). In this example,
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we do not provide any password, so the user `foo` can only login with his SSH
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key.
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```
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docker run \
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@ -117,9 +120,11 @@ docker run \
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foo::1001
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```
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## Using custom SSH key for server
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## Providing your own SSH host key
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This container will generate an ssh-key for OpenSSH at first run. To avoid this, you can map Ed25519 or RSA keys from the host inside the container.
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This container will generate new SSH host keys at first run. To avoid that your
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users get a MITM warning when you recreate your container (and the host keys
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changes), you can mount your own host keys.
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```
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docker run \
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@ -130,7 +135,8 @@ docker run \
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foo::1001
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```
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Tip: you can generate keys with this commands:
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Tip: you can generate your keys with these commands:
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```
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ssh-keygen -t ed25519 -f /host/ssh_host_ed25519_key < /dev/null
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ssh-keygen -t rsa -b 4096 -f /etc/ssh/ssh_host_rsa_key < /dev/null
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