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Yum fix duplicate error

Yum duplicate package error can occur anytime and most of the times when servers are under provisioned in terms of hardware capacity like RAM memory or even CPU. This can happen when a small server needs to perform multiple updates that requires more resources than usual making the update process almost impossible. Of course, failure is not an option and we will do our best to explain in this short tutorial how to fix yum duplicate errors by using yum-utils utility. So before we start our little journey fixing those yum errors we must say that this solution has been […]

Create MySQL slave by cloning

In this tutorial called create MySQL slave by cloning we’ll try to guide you through a very detailed but in the same time simple process to create a MySQL slave, also known as MySQL replica, by using a fresh backup taken from an existing MySQL server referred here as MySQL master server. Assuming that our master database is 11TB large we’ll have to copy its data content from US, where the master server is located to another server located in a UK data centre, not quite an easy task with this amount of data or without using a costly commercial […]