Book Image

Ubuntu Server Cookbook

By : Uday Sawant
Book Image

Ubuntu Server Cookbook

By: Uday Sawant

Overview of this book

Ubuntu is one of the most secure operating systems and defines the highest level of security as compared other operating system. Ubuntu server is a popular Linux distribution and the first choice when deploying a Linux server. It can be used with a $35 Raspberry Pi to top-notch, thousand-dollar-per-month cloud hardware. Built with lists that there are 4 million + websites built using Ubuntu. With its easy-to-use package management tools and availability of well-known packages, we can quickly set up our own services such as web servers and database servers using Ubuntu. This book will help you develop the skills required to set up high performance and secure services with open source tools. Starting from user management and an in-depth look at networking, we then move on to cover the installation and management of web servers and database servers, as well as load balancing various services. You will quickly learn to set up your own cloud and minimize costs and efforts with application containers. Next, you will get to grips with setting up a secure real-time communication system. Finally, we’ll explore source code hosting and various collaboration tools. By the end of this book, you will be able to make the most of Ubuntu’s advanced functionalities.
Table of Contents (20 chapters)
Ubuntu Server Cookbook
Credits
About the Author
www.PacktPub.com
Preface
Index

Optimizing MySQL performance – configuration


MySQL has hundreds of settings that can be configured. Version 5.7 ships with many improvements in default configuration values and requires far fewer changes. In this recipe, we will look at some of the most important parameters for tuning MySQL performance.

Getting ready

You will need access to a root account or an account with sudo privileges.

You will need access to a root account on the MySQL server.

How to do it…

Follow these steps to improve MySQL configuration:

  1. First, create a backup of the original configuration file:

    $ cd /etc/mysql/mysql.conf.d
    $ sudo cp mysqld.cnf mysqld.cnf.bkp
    
  2. Now open my.cnf for changes:

    $ sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf
    
  3. Adjust the following settings for your InnoDB tables:

    innodb_buffer_pool_size = 512M  # around 70% of total ram
    innodb_log_file_size  = 64M
    innodb_file_per_table = 1
    innodb_log_buffer_size = 4M
    
  4. If you are using MyISAM tables, set the key buffer size:

    key_buffer_size = 64M
    
  5. Enable the slow...