Working with my students to create an Ubuntu virtual environment for Python development with the MySQL database. After completing the general provisioning covered in this older post, I’d recommend you create a python symbolic link before installing the MySQL-Python driver.

sudo ln -s /usr/bin/python3 /usr/bin/python

You install the Python development driver with the following:

sudo apt-get -y install python3-mysql.connector

Create a python_connect.py file to test your Python deployment’s ability to connect to the MySQL database:

#!/usr/bin/python

# Import the library.
import mysql.connector
from mysql.connector import errorcode
 
try:
  # Open connection.
  cnx = mysql.connector.connect(user='student', password='student',
                                host='localhost', …

The LEMP software stack is a group of open-source software that enables a server to host dynamic websites and apps written in PHP. This guide will show you to install a LEMP Stack on an Ubuntu 22.04 server.

In this tutorial, we are going to show you how to install MySQL on your Ubuntu 20.04 and how to ...

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The post How to Install and Use MySQL on Ubuntu 20.04 appeared first on RoseHosting.

MySQL is an open-source relational database management system (RDBMS), it’s widely used and part of the popular LAMP/LEMP stacks. The ...

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The post How to Install MySQL Database on Ubuntu 20.04 appeared first on RoseHosting.

In this tutorial, we will show you how to create a backup of MySQL databases on an Ubuntu 20.04 VPS, ...

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The post How to Create a Backup of MySQL Databases Using mysqldump on Ubuntu 20.04 appeared first on RoseHosting.

This tutorial shows how you can install Nginx on an Ubuntu 20.04 LTS server with PHP 7.4 support (through PHP-FPM) and MySQL support (LEMP = Linux + Nginx (pronounced "engine x") + MySQL + PHP).

Monitoring your MySQL database performance in real-time helps you immediately identify problems and other factors that could be causing issues now or in the future. It’s also a good way to determine which components of the database can be enhanced or optimized to increase your efficiency and performance. This is usually done through monitoring software and tools either built-in to the database management software or installed from third-party providers.

Prometheus is an open-source software application used for event monitoring and alerting. It can be used along with a visualization tool like Grafana to easily create and edit dashboards, query, visualize, alert on, and understand your metrics. ScaleGrid provides full admin access to your MySQL deployments – this makes it …

So the issue of max_connections dropping from the value set in your my.cnf file down to 214 has been around for a little while on Ubuntu.

As an example, it was noted here back in 2015

• https://codepoets.co.uk/2015/mysql-max_connections-stuck-on-214/

I ran into this again recently and was resolved with the following steps.


# cp /lib/systemd/system/mysql.service /etc/systemd/system/
# cd /etc/systemd/system/
# vi mysql.service

LimitNOFILE=infinity
LimitMEMLOCK=infinity

# systemctl daemon-reload
# systemctl restart mysql


Once those steps completed the MySQL connections were stable at the given parameter in the my.cnf file. 

This tutorial shows how you can install Nginx on an Ubuntu 18.04 LTS server with PHP 7.2 support (through PHP-FPM) and MySQL support (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP).

In this guide, we're going to show you how to Dockerize the Laravel project with PHP-FPM, MySQL database, and the Nginx web server using the Docker Compose on the Ubuntu Server 18.04. We're going to create a new docker image for the Laravel Project, and then create the docker-compose.yml script that contains some services including, the App/Laravel itself, Nginx web server, and MySQL database.