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Preparing custom Debian 11 server cloud image

Posted on December 31, 2021March 6, 2022 by sandeep

Need: QCOW2 image for orchestrating Debian 11 Server image with following customizations Basic server installation’apparmor’ disabledInstall required packages – zip, unzip, net-tools, cloud-guest-utils, sudoConfigure max number of open files and processes to 65536SSH access to be enabled only from two specific subnets (private networks)Custom resizedisk script which will be triggered on first boot to resize…

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Manual backup VM image in KVM

Posted on December 13, 2021December 13, 2021 by sandeep

Start virt-manager on the KVM host and note the name of the guest VM. (In my case I want to take a backup of the OpenStack VM) The instance is running. It is recommended to shut down the instance before taking a backup. In the KVM host create a backup folder as required and copy…

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Preparing custom Ubuntu 20.04 cloud image

Posted on December 12, 2021February 16, 2022 by sandeep

Install Ubuntu 20.04 as detailed here. (Guest VM on KVM infra) Hard disk size:  Based on trial and error identified that it would be better to have the base disk size as 3.5G Set default password for ‘root; account. sudo passwd Disable consistent device naming – Network interface names are same always (legacy – eth0,…

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Recent Posts

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  • Preparing custom Debian 11 MATE image
  • Setup Ubuntu 20.04 repository mirror server
  • Preparing custom Debian 11 server cloud image
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  • Openstack Xena on Ubuntu 20.04 – Horizon
  • Openstack Xena on Ubuntu 20.04 -Home Lab
  • Openstack Xena on Ubuntu 20.04 – Neutron
  • Openstack Xena on Ubuntu 20.04 – Nova

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