Doing this to keep your VM running well in the new platform.

1.     Prepare:

·       For how to generate SSH PUBLIC KEY please read this doc: How to generate SSH RSA Key

·       If you forgot your ROOT password, and you want to keep the data. You can follow this doc to reset < Reset root password when the system didn't install cloud-init plugin >

2.     Go to your VM control panel to upload SSH Public Key to our system.

·       Click your VM on client area.

·       There is a button named “Upload SSH Public Key “. Click it.

·       Input the SSH-RSA Public key and submit.



3.     Install essential cloud-based program:

·       Ubuntu/Debian: apt-get install cloud-init qemu-guest-agent cloud-initramfs-growroot cloud-utils

·       CentOS: yum install cloud-init qemu-guest-agent cloud-utils-growpart cloud-utils

·       SUSE: yum install cloud-init qemu-guest-agent growpart


If you don't do this, you may not: 

- Reset root password via control panel;

- Soft shutdown (Safe Shutdown);

- Automatically setting. (IP, SSHKEY, HOSTNAME, ROOT PASS)

- Accurate CPU/RAM usage data






If your VM cannot access the Internet:

            Plan A: Fix it.

·       Connect to your VM over [View Console] function.

·       If not, type ip addr to check the interface setting.

·       Make sure interface name is eth0. If not. Please doing following thing to make it to eth0.

·       Debian/Ubuntu:

·       Type [ vim etc/default/grub  ]


·       Insert net.ifnames=0 biosdevname=0 to GRUB_CMDLINE_LINUX if it’s not included.

·       Type [ grub-mkconfig -o /boot/grub/grub.cfg ]

·       Go to vim /etc/network/interfaces ,

·       And then change the interface all the ensX to eth0

·       Reboot

·       CentOS

·       Type [ vim etc/default/grub  ]


·       Insert net.ifnames=0 biosdevname=0 to GRUB_CMDLINE_LINUX if it’s not included.

·       Type [ grub2-mkconfig -o /boot/grub2/grub.cfg ]

·       Go to cd /etc/sysconfig/network-scripts/

·       And then mv ifcfg-ensXX ifcfg-eth0

·       Reboot.


Plan B: Reinstall system.

  • 6 Users Found This Useful
Was this answer helpful?
Related Articles
How to use the SSH Key to login to the VM
Connecting to a server using an SSH key from a Windows client Download and run the PuTTY SSH...
How to generate SSH RSA Key
Creating an SSH key on Windows The simplest way to create SSH key on Windows is to use PuTTYgen....
How to convert RSA Private Key to Putty Private Key .ppk
Converting SSH keys for WinSCP If you want to use WinSCP as an SFTP client to connect to your...
Reset root password when system didn't install cloud-init pulgin
Access the Control Panel section of your server in the customer portal and follow these steps....
Why I can’t connect to NTP and MemCache server?
For Security Reason, We now only accept Google NTP server connection in Asia. If you need to...