Changes

<pre>

<pre>

ssh-keygen

ssh-keygen

</pre>

</pre>When prompted, enter the file name, for example '''rsa_key'''. Two file will then be generated: '''rsa_key''' (private) and '''rsa_key.pub''' (public).

</li>

</li>

----

----

Next, we'll have to add the key to your RUTxxx router. Simply execute this command via a Terminal (replace the IP address with your router's IP):

Next, we'll have to add the key to your RUTxxx router. Simply execute this command via a Terminal (replace the IP address with your router's IP):

<pre>

<pre>

ssh-copy-id [email protected]

ssh-copy-id -i rsa_key.pub [email protected]

</pre>

</pre>

</li>

</li>

----

----

<li>

<li>

At this point, the configuration is complete. To test it, terminate your current SSH connection (you can do so by executing the ''exit'' command) and try logging in again - if everything is in order, the router should no longer require a password when connecting via SSH.

At this point, the configuration is complete. To test it, terminate your current SSH connection (you can do so by executing the ''exit'' command) and try logging in again - if everything is in order, the router should no longer require a password when connecting via SSH when using the command:<pre>

</li>

ssh -i rsa_key [email protected].1

</pre></li>

----

----

<li>

<li>

<pre>

<pre>

uci set dropbear.@dropbear[0].PasswordAuth=off

uci set dropbear.@dropbear[0].PasswordAuth=off

uci commit dropbear

uci commit

/etc/init.d/dropbear restart

/etc/init.d/dropbear restart

</pre>

</pre>

<pre>

<pre>

uci set dropbear.@dropbear[0].RootPasswordAuth=off

uci set dropbear.@dropbear[0].RootPasswordAuth=off

uci commit dropbear

uci commit

/etc/init.d/dropbear restart

/etc/init.d/dropbear restart

</pre>

</pre>

<pre>

<pre>

uci set dropbear.@dropbear[0].PasswordAuth=on #### use uci set dropbear.@dropbear[0].RootPasswordAuth=on instead if you had only disabled password authentication for root

uci set dropbear.@dropbear[0].PasswordAuth=on #### use uci set dropbear.@dropbear[0].RootPasswordAuth=on instead if you had only disabled password authentication for root

uci commit dropbear

uci commit

/etc/init.d/dropbear restart

/etc/init.d/dropbear restart

</pre>

</pre>

* [[SSH RSA key authentication (Windows)]] - the same guide but aimed at Windows users

* [[SSH RSA key authentication (Windows)]] - the same guide but aimed at Windows users

* [[Command line interfaces]] - descriptions and instruction for all types of command line interfaces supported by RUTxxx devices

* [[Command line interfaces]] - descriptions and instruction for all types of command line interfaces supported by RUTxxx devices