Need: I keep bringing up Kubernetes clusters / destroying them as a part of my learning of Kubernetes. When using Kubespray, I observed the required packages were getting downloaded from the internet. Though I have a decent 300 Mbps internet connectivity, I decided to check if I can have a local repository mirror in my…
Tag: how to
OS installation: Debian 11 on the bare metal server.
Download and burn the ISO image onto a USB stick and plug in the USB stick in the server. Power On the server (in my case, it is Dell R430) Press F11 to enter boot manager Select one-shot UEFI menu Select boot from the USB stick Start installation (I prefer to use non-graphical) Select Language…
Preparing custom Ubuntu 20.04 cloud image
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,…
Ubuntu Server 20.04 on a KVM guest VM (Remove snapd, netplan, motd, and enable legacy networking)
Download and copy the Ubuntu server ISO image to /var/lib/libvirt/images/ folder. Start virt-manager Create a new VM (File -> New Virtual Machine) and choose local install media Click on browse, select the downloaded image Allocate/assign CPU and memory resources Allocate/assign storage as much as required. Provide a name and select a network interface. In my…
OS Installation: Ubuntu 20.04 on a server (Remove snapd, netplan, motd, and enable legacy networking)
Download the ISO image and burn the same onto a USB stick. Insert the USB stick in the server and power on (My server is Dell R430) Press F11 and enter Boot Manager Select Oneshot UEFI Boot option Select boot from the USB stick Select Install Server Select English Language (or whatever your choice is)…
Adding ClamAV Anti-virus checks to existing Postfix, Amavis+Spamassasin configuration
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…