On the controller node : Create database, service credentials and API end points # mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 116 Server version: 10.3.17-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type ‘help;’ or…
Install Openstack : Nova – Compute services on compute node
On all compute nodes install component dnf install -y openstack-nova-compute Edit /etc/nova/nova.conf (Typically all entries will be commented – so we can just add the following entries in respective sections) [DEFAULT] enabled_apis = osapi_compute,metadata transport_url = rabbit://openstack:RABBIT_PASS@controller my_ip = <IP of Compute Node> use_neutron = true firewall_driver = nova.virt.firewall.NoopFirewallDriver [api] auth_strategy = keystone [keystone_authtoken] www_authenticate_uri…
Install Openstack : Nova – Compute services on controller node
Create database and grant access permisssions # mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 59 Server version: 10.3.17-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear…
Install Openstack : Placement API service
Ont the controller node create ‘placement’ database # mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 43 Server version: 10.3.17-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to…
Install Openstack : Glance – Image Services
On the controller node create database ‘glance’ # mysql -uroot -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 30 Server version: 10.3.17-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear…
Install Openstack : Keystone – Authentication services
On the controller node create a database ‘keystone’ and grant previleges to be accessed locally and also from other nodes (from MySQL prompt) create database keystone; GRANT ALL PRIVILEGES ON keystone.* TO ‘keystone’@’localhost’ IDENTIFIED BY ‘KeystonePass’; GRANT ALL PRIVILEGES ON keystone.* TO ‘keystone’@’%’ IDENTIFIED BY ‘KeystonePass’; Install and configure keystone, httpd, mod_wsgi dnf install -y…
Install Openstack : Pre requisites on the controller node
On the controller node install Mariadb / update configuration and secure the installation. dnf install -y mariadb mariadb-server python2-PyMySQL Create /etc/my.cnf.d/openstack.cnf and add the following configuration (Note : Buffer pool size value was based on my VM configuration). Bind address would be the management ip address of the controller node. [mysqld] bind-address = 10.1.x.x default-storage-engine…
Install Openstack : Preparing the deployment setup.
Note : This post is just a compilation of steps I had followed to configure a 3 compute nodes and one controller node Openstack setup. Had followed instructions from internet and validated the steps by trying again from scratch using this set of notes. There could be simpler to achive the same, but I had…
Install and configure OpenLDAP Server
Configure hostname and FQDN for the VM/system which will be used for LDAP server. (Reference to example.com is to mask the actual usage) root@ldap:~# hostname –fqdn ldap.example.com root@ldap:~# cat /etc/hosts 127.0.0.1 localhost 10.1.2.22 ldap.example.com ldap The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters root@ldap:~# Install OpenLDAP…
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…