Let us show you how to install MySQL on your CentOS 7 server. MySQL is a relational database management system that functions through the use of a query system. Created in 1995, it’s an open-source project that is currently developed by Oracle, and has existed since 1995. It’s fast, written in C and C++, and is available on almost any system platform. Its features include cross-platform support, replication support, Unicode support, triggers, cursors, and much more. Since this is such a highly versatile and desirable database-management tool, most people want to install it on their Linux machines, but find that the built-in software repositories install MariaDB, which is a community-developed version of MySQL.
In this tutorial, we will show you how to install ELK Stack on Debian 9. ELK stack is a collection of three open-source products, 
In this tutorial, we will show you, how to use the Ubuntu crontab. In a few simple steps, we will explain, how to automate your system tasks on Ubuntu, using the crontab in Ubuntu. The cron software utility is a time-based job scheduler in Unix-like operating systems. Cron is driven by a crontab (cron table) file, a configuration file that specifies shell commands to run periodically on a given schedule. The crontab files are stored where the lists of jobs and other instructions to the cron daemon are kept. Users can have their own individual crontab files and often there is a system-wide crontab file (usually in /etc or a subdirectory of /etc) that only system administrators can edit.