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IT setup examples

Install RabbitMQ on Almalinux 8

Install RabbitMQ on CentOS 7

sudo dnf install epel-release
sudo dnf update

Install Erlang

Add repository

sudo dnf install https://packages.erlang-solutions.com/erlang-solutions-2.0-1.noarch.rpm

Install erlang and dependencies

sudo dnf install erlang socat logrotate

Install RabbitMQ

A...

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29th Dec 2022

Install postgresql on centos 7

Installing postgresql

yum install postgresql
yum install postgresql-server

Enable postgres service

systemctl enable postgresql.service

Initialize postgresql Files

postgresql-setup initdb

Setup postgresql

Set address 127.0.0.1 and ::1 to trust at the pg_hba.conf file.

File /...

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23rd Dec 2022

Maxscale and pacemaker on centos 7

Install packages on both nodes

sudo yum install corosync pcs pacemaker maxscale

Set the password for the hacluster user [both nodes]

sudo passwd hacluster

Start the pcs daemon service [both nodes]

sudo systemctl start pcsd

Authenticate the cluster

sudo pcs cluster auth node01.domain....

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13th Dec 2022