Differences

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

--- mywiki:linux:ssh [2016/06/03 16:27] – created shaoguoh
+++ mywiki:linux:ssh [2019/09/15 18:55] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+SSH Login Without Password Using ssh-keygen & ssh-copy-id
+Suppose need to use ssh to login to remote PC B from local PC A
+  * Create public and private keys using ssh-key-gen at At PC A
+**Take note: make sure use empty passphrase for auto login without password case**
+<file>
+  ssh-keygen
+  Generating public/private rsa key pair.
+  Enter file in which to save the key (/home/xxxx/.ssh/id_rsa):[Enter key]
+  Enter passphrase (empty for no passphrase): [Press enter key only]
+  Enter same passphrase again: [Press enter key again]
+  Your identification has been saved in /home/xxxx/.ssh/id_rsa.
+  Your public key has been saved in /home/xxxx/.ssh/id_rsa.pub.
+  The key fingerprint is:
+:12:45:fd:24:12:98:76:98:23:97:56:12:64:86:36 xxxx@local-host
+</file>
+  * Copy the public key from PC A to remote PC B using ssh-copy-id
+<file>
+  ssh-copy-id -i ~/.ssh/id_rsa.pub remote-PC-B
+  xxxx@remote-PC-B's password: [key in the real key for the first time]
+</file>
+  * Login to remote PC B without password
+<file>
+  ssh remote-PC-B
+</file>