What I did to ssh to the VPS Ubuntu environment

For Linux beginners, as a memorandum ...

What i did

Make ** VPS ** of ** Ubuntu ** with ** KAGOYA-Cloud ** and connect with ssh.

Save login authentication key

The login authentication key created when setting up the VPS is automatically downloaded when it is created. For mac OS, go to / Users / *** / Downloads /.

WARNING occurs when trying to connect to ssh

ssh root@Server IP-Authentication key for i VPS login

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions 0644 for'VPS login authentication key' are too open. It is required that your private key files are NOT accessible by others. This private key will be ignored. Load key "Authentication key for VPS login": bad permissions

Change the authority of the login authentication key file

Execute the following referring to here.

chmod 600 VPS login authentication key

ssh connection

I was able to connect successfully.

Welcome to Ubuntu 16.04.1 LTS (GNU/Linux 4.4.0-34-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

20 packages can be updated.
0 updates are security updates.


root@v Server IP:~#

I would appreciate it if you could point out any mistakes.

Referenced articles

Error: Unprotected Private Key File

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