kimsufi: Tutorial on installing any ISO image through rescue system virtual KVM

During Black Friday, kimsufi released a special dedicated server at 14.9 euros per month, equipped with E5-1620v2/32G/2*2T HDD. The price/performance ratio is very high, but unfortunately it only has one IPv4 and no IPv6 There are more, probably 128. Today I will share with you the tutorial on installing the system written by the boss. Some friends may ask, why write this tutorial on installing the system? Isn’t it possible to install it in the background! Yes, you are right to think so. As long as you don't want to bother, the system template in the background is enough. If you want to install a Windows 7 or other system by yourself, you may use this tutorial.

Here is an example of installing centos7

First log in to the backend of kimsufi and turn off monitoring:

Then click Netboot in the upper right corner, select Rescue there, and then click Next:

Click Confirm:

Click Restart in the upper right corner to perform a hard restart and check the SSH account password of the rescue system in the mailbox

Log in to the rescue system to check the hard drive status:

lsblk

View array status:

mdadm --detail /dev/md127

We need to stop this array first:

mdadm --detail /dev/md127

Then delete the partition tables of the two hard disks:

wipefs -a /dev/sda wipefs -a /dev/sdb

View gateway and mask

netstat -rn

View dns:

cat /etc/resolv.conf

Record the IP, gateway, and DNS information, which will be used later.

Install kvm:

apt -y update apt -y install qemu qemu-kvm

Download the iso of centos7:

wget http://mirror-hk.koddos.net/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso

Start the virtual machine:

qemu-system-x86_64 \ -enable-kvm \ -nodefaults\ -cdrom /root/CentOS-7-x86_64-DVD-2009.iso \ -hda /dev/sda \ -hdb /dev/sdb \ -cpu host \ -smp 4 \ -m 8G\ -netnic\ -net user \ -vga std \ -vnc 0.0.0.0:0 \ -usbdevice tablet \ -k en-us

You can now connect using VNC

VNC address input: ip:5900

If normal, you can see the system installation interface.

After installing the system, shut down the virtual machine

systemctl poweroff

Go back to kimsufi's console and change to boot from the hard disk:

Click restart in the upper right corner to perform a hard restart.

Done!

Through the ISO method, the entire system can be changed to a raid0 array method.

Here also provides a one-click installation script for Windows. After starting the rescue mode, the SSH connection receives the information in the email. You can install it directly by using the following script.

wget -O- \'file address\' | gunzip | dd of=/dev/sda

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