How to Install MyBB on CentOS 7

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MyBB is a free and open source, intuitive and extensible forum program. MyBB source code is hosted on GitHub. This guide will show you how to install MyBB forum software on a fresh CentOS 7 Vultr instance.

Requirements

  • PHP, at least version 5.2
  • MySQL, at least version 5.0
  • Nginx
  • The following PHP extensions:
    • SimpleXML
    • mbstring
    • gd
    • The respective vendor specific database PHP extensions

NOTE: Replace all instances of example.com with your domain name.

Check the CentOS version.

cat /etc/centos-release# CentOS Linux release 7.4.1708 (Core)

Create a new non-root user account with sudo access and switch to it.

useradd -c "John Doe" johndoe && passwd johndoeusermod -aG wheel johndoesu - johndoe

NOTE: Replace johndoe with your username.

Set up the timezone.

timedatectl list-timezonessudo timedatectl set-timezone 'Region/City'

Ensure that your system is up to date.

sudo yum update -y

Install necessary packages.

sudo yum install -y wget vim unzip bash-completion

Disable SELinux.

sudo setenforce 0

Enable the epel repository.

sudo rpm -Uvh  https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

Step 1 – Install PHP and required PHP extensions

Install PHP, as well as the necessary PHP extensions.

sudo yum install -y php php-cli php-fpm php-gd php-mbstring php-xml php-mysql php-pgsql

Check the version.

php --version# PHP 5.4.16 (cli) (built: Mar  7 2018 13:34:47)# Copyright (c) 1997-2013 The PHP Group# Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies

Enable and start php-fpm.

sudo systemctl enable php-fpm.servicesudo systemctl start php-fpm.service

Step 2 – Install MariaDB and create a database for MyBB

Install MariaDB.

sudo yum install -y mariadb-server

Check the version.

mysql --version# mysql  Ver 15.1 Distrib 5.5.56-MariaDB, for Linux (x86_64) using readline 5.1

Enable and start MariaDB.

sudo systemctl enable mariadb.servicesudo systemctl start mariadb.service

Run the mysql_secure_installation script to improve the security of your MariaDB installation.

sudo mysql_secure_installation

Log in to MariaDB as the root user.

mysql -u root -p# Enter password:

Create a new MariaDB database and user, and remember the credentials.

CREATE DATABASE dbname CHARACTER SET utf8;GRANT ALL ON dbname.* TO 'username' IDENTIFIED BY 'password';FLUSH PRIVILEGES;

Exit MariaDB.

exit

Step 3 – Install and configure Nginx

Install Nginx.

sudo yum install -y nginx

Check the version.

sudo nginx -v# nginx version: nginx/1.12.2

Enable and start Nginx.

sudo systemctl enable nginx.servicesudo systemctl start nginx.service

Configure Nginx. Run sudo vim /etc/nginx/conf.d/mybb.conf and populate the file with the following.

server {  server_name forum.example.com;  root /var/www/mybb;  location / {    index index.php;  }  # Deny access to internal files.  location ~ /(inc|uploads/avatars) {    deny all;  }  location ~ /.php$ {    fastcgi_pass 127.0.0.1:9000;    fastcgi_param SCRIPT_FILENAME  $document_root$fastcgi_script_name;    include fastcgi_params;  }}

Test the configuration.

sudo nginx -t

Reload Nginx.

sudo systemctl reload nginx.service

Step 4 – Install MyBB

Create a document root directory.

sudo mkdir -p /var/www/mybb

Change ownership of the /var/www/mybb directory to johndoe.

sudo chown -R johndoe:johndoe /var/www/mybb

Download the latest release of MyBB and unzip it.

cd /var/www/mybbwget https://resources.mybb.com/downloads/mybb_1815.zipunzip mybb_1815.zipmv /var/www/mybb/Upload/* /var/www/mybb

Remove the downloaded .zip file, as well as the Upload folder.

rm mybb_1815.ziprmdir Upload

Change ownership of the /var/www/mybb directory to nginx.

sudo chown -R nginx:nginx /var/www/mybb

Run sudo vim /etc/php-fpm.d/www.conf and set the user and group to nginx. Initially, it will be set to apache.

sudo vim /etc/php-fpm.d/www.conf# user = nginx# group = nginx

Restart php-fpm.

sudo systemctl restart php-fpm.service

As the last step, open your domain and follow the installation wizard for MyBB. To access the installer you must navigate to the /install directory of your site in your web browser. For example: if your domain is example.com, and you uploaded your MyBB files to the root directory, navigate to http://example.com/install. To access MyBB admin append /admin to your site URL. You have successfully installed your MyBB.

After the installation, you should remove the /install directory from your server to prevent anyone else from running the installation again.

sudo rm -rf /var/www/mybb/install/

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