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This article mainly introduces the CoreOS ISO hard disk installation example analysis, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

1. This method of installation requires a self-provided ladder.

two。 Get the official ISO image. Coreos_production_iso_image.iso

3. Create a system boot ISO image with virtualbox or vmware. At this time, it is purely a CD-ROM boot system.

4. Create an openssh public key with Xshell or scureCRT. Such as id_rsa_1024.pub or Identity.pub

5. Create a cloud-config.yaml file:

# cloud-config

Ssh_authorized_keys:

-ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC0g+ZTxC7weoIJLUafOgrm+h... # here is the public key created in the previous step

6. Upload the cloud-config.yaml file to the CD-ROM boot system. In fact, it cannot be uploaded because the CD boot system cannot be connected, so you can set up a ftp server or http server to put the file in it and use wget in the CD boot system to download the file.

7. Execute:

Coreos-install-d / dev/sda-C alpha-c / cloud-config.yaml

8. Seeing success indicates success, and then rebooting the system will enter coreos. Use xshell or CRT to connect with the public key you created earlier.

Thank you for reading this article carefully. I hope the article "sample Analysis of ISO hard disk installation in CoreOS" shared by the editor will be helpful to you. At the same time, I also hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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