SSH KEY

1. generate key ssh pada controller agar host tidak perlu memasukan password untuk login ssh ke VPS

ssh-keygen -t rsa

enerating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): 
Created directory '/root/.ssh'.
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /root/.ssh/id_rsa
Your public key has been saved in /root/.ssh/id_rsa.pub
The key fingerprint is:
SHA256:Ds8bAuZgjCxvugEJoM7zJ2TgfhSrOOmKw8OGR6/HRsw root@robiansyah-ThinkPad-T480
The key's randomart image is:
+---[RSA 3072]----+
|.                |
|o                |
|o. .             |
|*+. o            |
|=*+Bo . S        |
|=+O+E. =         |
|O+oB... =        |
|=Xo B  . o       |
|B=o+    .        |
+----[SHA256]-----+

1. copi id pub key controller ke server VPS

ssh-copy-id [email protected]

ssh-copy-id [email protected]