Monthly Archives: February 2018

Install MariaDB 10 on CentOS/RHEL 7

Scenario: How to install MariaDB on CentOS/RHEL 7

Steps:
1) Create MariaDB 10 repository.
# vi /etc/yum.repos.d/MariaDB.repo

On CentOS 7

[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB

gpgcheck=1
On RHEL 7

[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/rhel7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

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Using Ansible Callback

Scenario: Set up Ansible callback to monitor running task on remote machine.
Ansible system: CentOS 7, Ansible 2.6
Remote machines:
Both have same root password
1. CentOS 7, ip address: 192.168.99.18
2. CentOS 6, ip address: 192.168.99.19

I set up callback plugins to see running ansible-playbook task on remote machine and it is fun and useful.
To set up callback, edit /etc/ansible/ansible.cfg and change the value to minimal.

# vi /etc/ansible/ansible.cfg

stdout_callback = minimal

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