yum upgrade from CentOS 6.6 to 6.9

I performed a yum upgrade on a server in operation from CentOS 6.6 to 6.9.

Version Check on CentOS 6.6

CentOS version

$ cat /etc/redhat-release
CentOS release 6.6 (Final)

PHP version

$ php --version
PHP 5.6.10 (cli) (built: Jun 11 2015 08:33:51) 
Copyright (c) 1997-2015 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2015 Zend Technologies
    with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2015, by Zend Technologies

MySQL version

$ mysql --version
mysql  Ver 14.14 Distrib 5.5.44, for Linux (x86_64) using readline 5.1

CentOS Version Upgrade

yum clean all
yum -y upgrade

reboot

Version Check on CentOS 6.9

$ cat /etc/redhat-release
CentOS release 6.9 (Final)

$ php --version
PHP 5.6.36 (cli) (built: Apr 25 2018 10:11:47) 
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
    with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies

$ mysql --version
mysql  Ver 14.14 Distrib 5.5.60, for Linux (x86_64) using readline 5.1

That’s all from the Gemba where I upgraded the version from CentOS 6.6 to 6.9.