Differences

This shows you the differences between two versions of the page.

--- ssh_notes [2021/01/15 21:40] – [Useful links] raju
+++ ssh_notes [2024/04/28 04:37] (current) – [Useful links] raju
@@ Line 1: / Line 1: @@
+==== no matching host key type found ====
+error
+<code>
+$ ssh hostname -l username
+Unable to negotiate with <IP address> port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss
+</code>
+workaround
+<code>
+ssh -oHostKeyAlgorithms=+ssh-dss hostname -l username
+</code>
 ==== copying keys ====
-When setting up password less authentication via ssh, we can use ssh-copy-id to copy the public key to the remote machine the very first time. The command looks like
+When setting up password less authentication via ssh, use ssh-copy-id to copy the public key to the remote machine.
+The command looks like
 <code>
 ssh-copy-id user@host
 </code>
+When you run it the first time, it will ask for password and then copies the key to the remote machine. It is very convenient!
-It will first ask for a password and then copies the key. Very convenient!
+Ref:
+  * man page - https://linux.die.net/man/1/ssh-copy-id
-Ref:- man page - https://linux.die.net/man/1/ssh-copy-id
 ==== Useful links ====
+  * https://linuxize.com/post/using-the-ssh-config-file/ - Using the SSH config file
+    * Well written; easy to follow; high information density; non-trivial examples
   * [[http://www.linuxproblem.org/art_9.html | ssh without password]]
+  * You can create nicknames for logging into remote servers in ~/.ssh/config and can use them with ssh, rsync, scp etc., - https://www.saltycrane.com/blog/2008/11/creating-remote-server-nicknames-sshconfig/