Having a strategy of backup information is really important. We tend to neglect it and think about it after the first loss of information. Here is my backup script of my MySQL databases.

I almost use only the command line to make calls on APIs using cURL. It's convenient and fast, easily scriptable if needed and the history of bash saves me time. But the response provided by cURL is not always readable especially when it comes to JSON. In this article I will introduce JQ that I use to display a pretty readable JSON and more.

Alter table operation can be a very long task, depending on your database. It's often that database administrator wait too run these operations and do it late in the night to avoid disturbing user. But solutions exist to allow alter table without locking table, pt-online-schema-change from Percona Toolkit is one of these solutions.