Skip to content

Home Lab

Notes from my learning sessions

Menu
Menu

Tag: howto

Openstack – Train : Create networks, router, flavor and launch an instance

Posted on October 22, 2020August 20, 2022 by sandeep

<<< Cinder As admin user 1. Create Flavors as required . admin-openrcopenstack flavor create m1.nano –ram 512 –vcpus 1 –disk 10openstack flavor create m1.micro –ram 1024 –vcpus 1 –disk 10openstack flavor create m1.mini –ram 1024 –vcpus 2 –disk 10openstack flavor create m1.small –ram 2048 –vcpus 2 –disk 20openstack flavor create m1.medium –ram 4096 –vcpus 2…

Read more

Removing compute node/host from an Openstack deployment

Posted on October 13, 2020September 27, 2021 by sandeep

Wanted to remove a compute node from the openstack setup. Stop the services in the compute node service nova-compute stop service neutron-linuxbridge-agent stop # Not sure about the need for stopping the following but did it as I had planned to re-install service lvm2-lvmetad stop service libvirtd stop service lxcfs stop service tgt stop On…

Read more

Adding ClamAV Anti-virus checks to existing Postfix, Amavis+Spamassasin configuration

Posted on January 30, 2020November 7, 2021 by sandeep

Had an existing Postfix configurationup and running. Notes for bringing up the same available at https://www.sandeeprao.net/configuring-secure-mail-server-using-postfix-with-dovecot-spamassasin-postgrey-and-opendkim/ As I could add more vCPU and RAM to the VM, thought of adding anti-virus check on receipt of mails. As I had already configured amavis + spamassassin it was pretty straight forward, install the required clamav packages along…

Read more

Recent Posts

  • Ceph + KVM: 4. Orchestrating Ceph RBD backed VMs on KVM Hosts
  • Rabbit MQ Cluster + HAProxy + Keepalived
  • Install and configure MariaDB / Galera cluster
  • Ceph + KVM : 3. Installing KVM, cutsomized monitoring scripts
  • Ceph + KVM : 5. Service checks and CLI commands
  • Ceph + KVM : 2. Installation – Ceph Storage
  • Ceph + KVM : 1. Planning and preparing for Ceph Storage
  • Openstack Xena on Ubuntu 20.04 – Cinder
  • Preparing custom Debian 11 MATE image
  • Setup Ubuntu 20.04 repository mirror server

Archives

  • April 2025
  • March 2025
  • October 2024
  • September 2024
  • April 2022
  • March 2022
  • February 2022
  • December 2021
  • October 2021
  • September 2021
  • October 2020
  • February 2020
  • January 2020
  • December 2019
© 2025 Home Lab | Powered by Minimalist Blog WordPress Theme