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How to: Deploy a basic wordpress on Ubuntu 16.04 LTS on Azure

Discussion in 'Official Microsoft News' started by Marco A Bicca, Apr 11, 2017.

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  1. Marco A Bicca

    Marco A Bicca Guest

    Blog Posts:
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    How to deploy a simple WordPress instance using Ubuntu 16.04 LTS, Nginx, MariaDB and Memcache in Azure.

    This article is destined to help understand a basic WordPress deployment on Azure using Ubuntu 16.04 LTS, Nginx with PHP-fpm (for PHP support), MariaDB and Memcache

    In this example, we are deploying a Standard_F2S VM with premium disk, 2 CPU’s, 4GB of memory and also a local 7GB SSD (Ephemeral disk) which we will use for swap configuration (4GB).

    Considering you already have your VM deployed with the latest Ubuntu 16.04 LTS, the steps we will describe are:

    1) Installing Nginx
    2) Installing MariaDB
    3) Installing PHP7 / PHP-FPM / Memcache
    4) Installing WordPress
    5) Enabling Memcache

    1) Installing Nginx

    sudo apt-get update
    sudo apt-get install nginx

    You can verify Nginx is correctly listening on port 80 by issuing:

    sudo netstat -anp | grep :80
    tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN XXXX/nginx –g daemo

    This should indicate that Nginx is listening on port 80 on all IP’s

    2) Installing MariaDB

    sudo apt-get install mariadb-server mariadb-client

    You will be asked to provide a password for the mariadb root account, please make sure you note that down.

    NOTE: We highly recommend using the command “sudo mysql_secure_installation” but keep in mind that doing that will add a validation plugin for MySQL passwords which require certain levels of security where you can choose from LOW to STRONG.

    3) Installing PHP / PHP-FPM / Memcached

    sudo apt-get install php7.0-fpm
    sudo apt-get install php-memcache memcached
    sudo apt-get install php7.0-mysql php7.0-curl php7.0-gd php7.0-mbstring php7.0-mcrypt php7.0-xml php7.0-xmlrpc

    Turn off cgi.fix_pathinfo in php7.0-fpm:

    sudo sed -i.bak ‘s/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/g’ /etc/php/7.0/fpm/php.ini
    sudo systemctl restart php7.0-fpm.service

    4) Installing WordPress

    1. Connect to MySQL and create a database and a user:
      mysql -u root -p
      CREATE DATABASE wordpress DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;
      GRANT ALL ON wordpress.* TO ‘wpuser’@’localhost’ IDENTIFIED BY ‘password’;
      FLUSH PRIVILEGES;
      quit
    2. sudo –i
      cd /var/www/html
      curl –O https://wordpress.org/latest.tar.gz
      tar xzvf latest.tar.gz
      cd wordpress
      mv * ..
      rm -rf latest.tar.gz wordpress
      chown –R www-data:www-data /var/www/html
      chmod g+w /var/www/html/wp-content
      chmod g+w /var/www/html/wp-content/themes
      chmod g+w /var/www/html/wp-content/plugins
    3. Setup the WordPress configuration file
      curl –s https://api.wordpress.com/secret-key/1.1/salt/
      copy the content from the output
      vi /var/www/html/wp-config-sample.php
    4. Replace the lines below with the output from the output above:define(‘AUTH_KEY’, ‘put your unique phrase here’);
      define(‘SECURE_AUTH_KEY’, ‘put your unique phrase here’);
      define(‘LOGGED_IN_KEY’, ‘put your unique phrase here’);
      define(‘NONCE_KEY’, ‘put your unique phrase here’);
      define(‘AUTH_SALT’, ‘put your unique phrase here’);
      define(‘SECURE_AUTH_SALT’, ‘put your unique phrase here’);
      define(‘LOGGED_IN_SALT’, ‘put your unique phrase here’);
      define(‘NONCE_SALT’, ‘put your unique phrase here’);
    5. Rename the config file:
      mv /var/www/html/wp-config-sample.php /var/www/html/wp-config.php
    6. Edit the file again to configure MySQL and replace the variables with the corresponding values:define(‘DB_NAME’, ‘wordpress’);
      /** MySQL database username */
      define(‘DB_USER’, ‘wpuser’);
      /** MySQL database password */
      define(‘DB_PASSWORD’, ‘password’);
    7. Edit Nginx default website configuration:
      vi /etc/nginx/sites-available/default
    8. Replace the location / area in the file with the content below, including the other block:

    location / {
    # try_files $uri $uri/ =404;
    try_files $uri $uri/ /index.php?q=$uri&$args;
    }

    location ~ .php$ {
    try_files $uri =404;
    fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
    include /etc/nginx/fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }

    Check to see if nginx configuration is correct and if it is, restart the service:

    nginx –t
    systemctl restart nginx

    Assuming you have a Network Security Group with a rule to allow port 80 inbound to the VM, you can then access WordPress from the external IP of the VM and finish the setup:
    http://IP

    5) Enabling MemCache

    sudo -i
    cd /tmp
    wget https://downloads.wordpress.org/plugin/memcached.3.0.1.zip
    apt-get install unzip
    unzip memcached.3.0.1.zip
    cd memcached
    cp object-cache.php /var/www/html/wp-content
    chown www-data:www-data /var/www/html/wp-content/object-cache.php

    To check stats in memcached you can use:
    watch “echo stats | nc 127.0.0.1 11211”

    After finishing the setup through the web interface in WordPress you should be able to access the website at the http://IP address or the management interface at http://IP/wp-admin using the user/password that you configured during the WordPress installation.

    Happy blogging!

    Continue reading...
     
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