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Dropbear: Difference between revisions
→Setting keys to get ssh connections without password requests
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DROPBEAR_EXTRA_ARGS=-s | DROPBEAR_EXTRA_ARGS=-s | ||
After do that, rebuild and reinstall the application | After do that, rebuild and reinstall the application, then start the Dropbear server running the following script: | ||
If you want to add this option in the target fs | /etc/init.d/dropbear start | ||
The first time that you run this script, you can see in log some messages about generating public and private keys, you can take the public key to add it in host computer, if Dropbear was started at this point, you can get the public key manually, this process must be explained in the following section. | |||
If you want to add this option in the target fs directly, you need to do the same action in the script /etc/init.d/dropbear. After that, restart the application | |||
/etc/init.d/dropbear restart | /etc/init.d/dropbear restart | ||
===How to get public and private keys of Dropbear in the target manually=== | ===How to get public and private keys of Dropbear in the target manually=== | ||
You can use "dropbearkey" tool to create public and private keys or see public keys | You can use "dropbearkey" tool to create public and private keys or see public keys. | ||
To create an pair of keys you can run the following command: | To create an pair of keys you can run the following command: | ||
$ dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key | $ dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key | ||
The last command saves in ''/etc/dropbear/dropbear_rsa_host_key'' the private key, and prints the public key. If you want to get only the public key as you need to save in the authorized keys in the host, you can run the commmand | |||
$ dropbearkey -y -f /etc/dropbear/dropbear_rsa_host_key | grep ssh-rsa | |||
===How to set public key of Dropbear in the host=== | ===How to set public key of Dropbear in the host=== | ||