I observed some challenges in my tests when using RMQ version 4, downloading the required packages from specific repos. I decided to go with Rabbitmq 3.10. I launched 3 Debian 12 VMs, as packages are maintained as part of the distro. All the VMs have 3 NICs bridged to physical host NICs dedicated to specific…
Category: Installation Steps
Preparing custom Debian 11 MATE image
Need: QCOW2 image for orchestrating Debian 11 Server image with following customizations 1. Minimal server installation + MATE Desktop Environment + xRDP + Firefox2. ‘apparmor’ disabled3. Install required packages – zip, unzip, net-tools, cloud-guest-utils, sudo4. Configure max number of open files and processes to 655365. SSH access to be enabled only from two specific subnets…
Setup Ubuntu 20.04 repository mirror server
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…
Preparing custom Debian 11 server cloud image
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…
Complile Linux Kernel (on Debian 11)
Install required packages. root@server1:~# apt-get install git fakeroot build-essential ncurses-dev xz-utils libssl-dev bc flex libelf-dev bison dwarves Download the source of the required/planned version of the Linux kernel (I had decided on 5.15) root@server1:~# wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.11.tar.xz Extract the xz file (to default folder) root@server1:~# tar xvf linux-5.15.11.tar.xzroot@server1:~# cd linux-5.15.11/root@server1:~/linux-5.15.11# Copy the existing configuration file root@server1:~/linux-5.15.11#…
Openstack Xena – Test Home Lab
[ Previous: Cinder (9/9) ] [ Test Home Lab ] Access http://controller/horizon and log in using the ‘labuser’ account created We will need one floating IP to associate with the test VM we will bring up – Let us allocate on floating IP. Choose Network->Floating IP option in the dashboard. Click on Allocate IP to…
Openstack Xena on Ubuntu 20.04 – Horizon
[ Previous: Home Lab (7/9) ] [ 8/9: Horizon ] [ Next: Cinder (9/9) ] Install package. apt -y install openstack-dashboard Update configurations in /etc/openstack-dashboard/local_settings.py as shown below (changes in green) # Modify CACHES = { ‘default’: { ‘BACKEND’: ‘django.core.cache.backends.memcached.MemcachedCache’, …
Openstack Xena on Ubuntu 20.04 -Home Lab
[ Previous: Neutron (6/9) ] [ 7/9: Home Lab ] [ Next: Horizon (8/9) ] Create Project, Networks, vRouter and Security Group Create a project ‘homelab’ openstack project create –domain default –description “Home Lab” homelab Create a ‘labuser’ account openstack user create –domain default –project homelab –password password…
Openstack Xena on Ubuntu 20.04 – Neutron
[ Previous: Nova (5/9) ] [ 6/9 : Neutron ] [ Next: Home Lab (7/9) ] Create DB for neutron services. Execute the following in MySQL prompt create database neutron_ml2; grant all privileges on neutron_ml2.* to neutron@’localhost’ identified by ‘password’; grant all privileges on neutron_ml2.*…
Openstack Xena on Ubuntu 20.04 – Nova
[ Previous: Placement (4/9) ] [ 5/9 : Nova ] [ Next: Neutron (6/9) ] Create DB for nova services. Execute following in MySQL prompt create database nova; grant all privileges on nova.* to nova@’localhost’ identified by ‘password’; grant all privileges on…