Ubuntu 20.04
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OpenStack Ussuri : Pre-Requirements
2020/06/07
 
This is the exmaple of Cloud Computiong by OpenStack Ussuri.
Install some services that some components of OpenStack needs for system requirements on here.
This example is based on the emvironment like follows.
        eth0|10.0.0.30 
+-----------+-----------+
|    [ Control Node ]   |
|                       |
|  MariaDB    RabbitMQ  |
|  Memcached            |
+-----------------------+

[1]
[2]
[3] Install RabbitMQ, Memcached.
root@dlp:~#
apt -y install rabbitmq-server memcached python3-pymysql
# add a user

# set any password for [password]

root@dlp:~#
rabbitmqctl add_user openstack password

Creating user "openstack" ...
root@dlp:~#
rabbitmqctl set_permissions openstack ".*" ".*" ".*"

Setting permissions for user "openstack" in vhost "/" ...
root@dlp:~#
vi /etc/mysql/mariadb.conf.d/50-server.cnf
# line 28: change

bind-address =
0.0.0.0
# line 40: uncomment and change

# default value 151 is not enough on Openstack Env

max_connections =
500
root@dlp:~#
vi /etc/memcached.conf
# line 35: change

-l
0.0.0.0
root@dlp:~#
systemctl restart mariadb rabbitmq-server memcached
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