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Wordpress is used for https://openvino.org and other project sites.

Info

This is how wordpress is configured and installed. Much of the contents for this document were copied from the excellent tutorial https://www.linuxcapable.com/how-to-install-wordpress-with-lemp-nginx-mariadb-and-php-on-rocky-linux-8/, though some additions and changes have been made.

  1. Install unzip

    Code Block
    [mtb@sierra ~]$ sudo dnf install unzip -y

  2. In this setup, nginx is already installed and enabled as a service on boot:

    Code Block
    [mtb@sierra ~]$ nginx -v
    nginx version: nginx/1.14.1
    [mtb@sierra ~]$ systemctl status nginx
    ● nginx.service - The nginx HTTP and reverse proxy server
       Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
       Active: active (running) since Thu 2022-05-26 15:47:48 UTC; 7h ago
      Process: 170448 ExecReload=/bin/kill -s HUP $MAINPID (code=exited, status=0/SUCCESS)
      Process: 170387 ExecStart=/usr/sbin/nginx (code=exited, status=0/SUCCESS)
      Process: 170385 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)
      Process: 170383 ExecStartPre=/usr/bin/rm -f /run/nginx.pid (code=exited, status=0/SUCCESS)
     Main PID: 170390 (nginx)
        Tasks: 5 (limit: 49268)
       Memory: 23.2M
       CGroup: /system.slice/nginx.service
               ├─170390 nginx: master process /usr/sbin/nginx
               ├─170449 nginx: worker process
               ├─170450 nginx: worker process
               ├─170451 nginx: worker process
               └─170452 nginx: worker process
    
    May 26 15:47:48 sierra systemd[1]: Starting The nginx HTTP and reverse proxy server...
    May 26 15:47:48 sierra nginx[170385]: nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
    May 26 15:47:48 sierra nginx[170385]: nginx: configuration file /etc/nginx/nginx.conf test is successful
    May 26 15:47:48 sierra systemd[1]: Started The nginx HTTP and reverse proxy server.
    May 26 15:52:47 sierra systemd[1]: Reloading The nginx HTTP and reverse proxy server.
    May 26 15:52:47 sierra systemd[1]: Reloaded The nginx HTTP and reverse proxy server.      

  3. Install MariaDB (LEMP STACK)
    Optional. Change to MariaDB 10.5

...

Code Block
[mtb@sierra ~]$ sudo dnf module enable php:remi-8.1
Last metadata expiration check: 0:04:32 ago on Sun 29 May 2022 01:51:02 AM UTC.
Dependencies resolved.
=======================================================================================================
 Package                 Architecture           Version                  Repository               Size
=======================================================================================================
Enabling module streams:
 php                                            remi-8.1                                              

Transaction Summary
=======================================================================================================

Is this ok [y/N]: y
Complete!
[mtb@sierra ~]$ sudo dnf install php
[sudo] password for mtb: 
DigitalOcean Agent                                                     122 kB/s | 3.3 kB     00:00    
DigitalOcean Droplet Agent                                              67 kB/s | 3.3 kB     00:00    
Dependencies resolved.
=======================================================================================================
 Package               Arch       Version                                       Repository        Size
=======================================================================================================
Installing:
 php                   x86_64     8.1.6-1.el8.remi                              remi-modular     1.7 M
Installing dependencies:
 apr                   x86_64     1.6.3-12.el8                                  appstream        128 k
 apr-util              x86_64     1.6.1-6.el8.1                                 appstream        104 k
 httpd                 x86_64     2.4.37-47.module+el8.6.0+823+f143cee1.1       appstream        1.4 M
 httpd-filesystem      noarch     2.4.37-47.module+el8.6.0+823+f143cee1.1       appstream         40 k
 httpd-tools           x86_64     2.4.37-47.module+el8.6.0+823+f143cee1.1       appstream        107 k
 libsodium             x86_64     1.0.18-2.el8                                  epel             162 k
 mailcap               noarch     2.1.48-3.el8                                  baseos            38 k
 mod_http2             x86_64     1.15.7-5.module+el8.6.0+823+f143cee1          appstream        153 k
 oniguruma5php         x86_64     6.9.8-1.el8.remi                              remi-safe        212 k
 php-common            x86_64     8.1.6-1.el8.remi                              remi-modular     1.2 M
 rocky-logos-httpd     noarch     85.0-4.el8                                    baseos            22 k
Installing weak dependencies:
 apr-util-bdb          x86_64     1.6.1-6.el8.1                                 appstream         23 k
 apr-util-openssl      x86_64     1.6.1-6.el8.1                                 appstream         26 k
 php-cli               x86_64     8.1.6-1.el8.remi                              remi-modular     5.3 M
 php-fpm               x86_64     8.1.6-1.el8.remi                              remi-modular     1.8 M
 php-mbstring          x86_64     8.1.6-1.el8.remi                              remi-modular     521 k
 php-opcache           x86_64     8.1.6-1.el8.remi                              remi-modular     628 k
 php-pdo               x86_64     8.1.6-1.el8.remi                              remi-modular     161 k
 php-sodium            x86_64     8.1.6-1.el8.remi                              remi-modular     101 k
 php-xml               x86_64     8.1.6-1.el8.remi                              remi-modular     251 k
Enabling module streams:
 httpd                            2.4                                                                 

Transaction Summary
=======================================================================================================
Install  21 Packages

Total download size: 14 M
Installed size: 57 M
Is this ok [y/N]: y
Downloading Packages:
(1/21): apr-util-bdb-1.6.1-6.el8.1.x86_64.rpm                          121 kB/s |  23 kB     00:00    
(2/21): apr-util-openssl-1.6.1-6.el8.1.x86_64.rpm                      400 kB/s |  26 kB     00:00    
(3/21): apr-util-1.6.1-6.el8.1.x86_64.rpm                              327 kB/s | 104 kB     00:00    
(4/21): apr-1.6.3-12.el8.x86_64.rpm                                    399 kB/s | 128 kB     00:00    
(5/21): httpd-filesystem-2.4.37-47.module+el8.6.0+823+f143cee1.1.noarc 616 kB/s |  40 kB     00:00    
(6/21): httpd-tools-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64.rpm 1.6 MB/s | 107 kB     00:00    
(7/21): mailcap-2.1.48-3.el8.noarch.rpm                                454 kB/s |  38 kB     00:00    
(8/21): rocky-logos-httpd-85.0-4.el8.noarch.rpm                        1.3 MB/s |  22 kB     00:00    
(9/21): mod_http2-1.15.7-5.module+el8.6.0+823+f143cee1.x86_64.rpm      1.2 MB/s | 153 kB     00:00    
(10/21): httpd-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64.rpm      4.3 MB/s | 1.4 MB     00:00    
(11/21): libsodium-1.0.18-2.el8.x86_64.rpm                             1.5 MB/s | 162 kB     00:00    
(12/21): php-8.1.6-1.el8.remi.x86_64.rpm                               2.3 MB/s | 1.7 MB     00:00    
(13/21): php-common-8.1.6-1.el8.remi.x86_64.rpm                        1.9 MB/s | 1.2 MB     00:00    
(14/21): php-mbstring-8.1.6-1.el8.remi.x86_64.rpm                      5.5 MB/s | 521 kB     00:00    
(15/21): php-fpm-8.1.6-1.el8.remi.x86_64.rpm                            10 MB/s | 1.8 MB     00:00    
(16/21): php-cli-8.1.6-1.el8.remi.x86_64.rpm                           5.9 MB/s | 5.3 MB     00:00    
(17/21): php-opcache-8.1.6-1.el8.remi.x86_64.rpm                       5.8 MB/s | 628 kB     00:00    
(18/21): php-pdo-8.1.6-1.el8.remi.x86_64.rpm                           1.9 MB/s | 161 kB     00:00    
(19/21): php-sodium-8.1.6-1.el8.remi.x86_64.rpm                        1.2 MB/s | 101 kB     00:00    
(20/21): php-xml-8.1.6-1.el8.remi.x86_64.rpm                           2.8 MB/s | 251 kB     00:00    
(21/21): oniguruma5php-6.9.8-1.el8.remi.x86_64.rpm                     2.5 MB/s | 212 kB     00:00    
-------------------------------------------------------------------------------------------------------
Total                                                                  6.4 MB/s |  14 MB     00:02     
Remi's Modular repository for Enterprise Linux 8 - x86_64              3.0 MB/s | 3.1 kB     00:00    
Importing GPG key 0x5F11735A:
 Userid     : "Remi's RPM repository <remi@remirepo.net>"
 Fingerprint: 6B38 FEA7 231F 87F5 2B9C A9D8 5550 9759 5F11 735A
 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-remi.el8
Is this ok [y/N]: y
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                               1/1 
  Running scriptlet: php-common-8.1.6-1.el8.remi.x86_64                                           1/21 
  Installing       : php-common-8.1.6-1.el8.remi.x86_64                                           1/21 
  Running scriptlet: httpd-filesystem-2.4.37-47.module+el8.6.0+823+f143cee1.1.noarch              2/21 
  Installing       : httpd-filesystem-2.4.37-47.module+el8.6.0+823+f143cee1.1.noarch              2/21 
  Installing       : apr-1.6.3-12.el8.x86_64                                                      3/21 
  Running scriptlet: apr-1.6.3-12.el8.x86_64                                                      3/21 
  Installing       : apr-util-bdb-1.6.1-6.el8.1.x86_64                                            4/21 
  Installing       : apr-util-openssl-1.6.1-6.el8.1.x86_64                                        5/21 
  Installing       : apr-util-1.6.1-6.el8.1.x86_64                                                6/21 
  Running scriptlet: apr-util-1.6.1-6.el8.1.x86_64                                                6/21 
  Installing       : httpd-tools-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                   7/21 
  Installing       : php-fpm-8.1.6-1.el8.remi.x86_64                                              8/21 
  Running scriptlet: php-fpm-8.1.6-1.el8.remi.x86_64                                              8/21 
  Installing       : php-cli-8.1.6-1.el8.remi.x86_64                                              9/21 
  Installing       : php-opcache-8.1.6-1.el8.remi.x86_64                                         10/21 
  Installing       : php-pdo-8.1.6-1.el8.remi.x86_64                                             11/21 
  Installing       : php-xml-8.1.6-1.el8.remi.x86_64                                             12/21 
  Installing       : oniguruma5php-6.9.8-1.el8.remi.x86_64                                       13/21 
  Installing       : php-mbstring-8.1.6-1.el8.remi.x86_64                                        14/21 
  Installing       : libsodium-1.0.18-2.el8.x86_64                                               15/21 
  Installing       : php-sodium-8.1.6-1.el8.remi.x86_64                                          16/21 
  Installing       : rocky-logos-httpd-85.0-4.el8.noarch                                         17/21 
  Installing       : mailcap-2.1.48-3.el8.noarch                                                 18/21 
  Installing       : mod_http2-1.15.7-5.module+el8.6.0+823+f143cee1.x86_64                       19/21 
  Installing       : httpd-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                        20/21 
  Running scriptlet: httpd-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                        20/21 
  Installing       : php-8.1.6-1.el8.remi.x86_64                                                 21/21 
  Running scriptlet: httpd-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                        21/21 
  Running scriptlet: php-8.1.6-1.el8.remi.x86_64                                                 21/21 
  Running scriptlet: php-fpm-8.1.6-1.el8.remi.x86_64                                             21/21 
  Verifying        : apr-1.6.3-12.el8.x86_64                                                      1/21 
  Verifying        : apr-util-1.6.1-6.el8.1.x86_64                                                2/21 
  Verifying        : apr-util-bdb-1.6.1-6.el8.1.x86_64                                            3/21 
  Verifying        : apr-util-openssl-1.6.1-6.el8.1.x86_64                                        4/21 
  Verifying        : httpd-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                         5/21 
  Verifying        : httpd-filesystem-2.4.37-47.module+el8.6.0+823+f143cee1.1.noarch              6/21 
  Verifying        : httpd-tools-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                   7/21 
  Verifying        : mod_http2-1.15.7-5.module+el8.6.0+823+f143cee1.x86_64                        8/21 
  Verifying        : mailcap-2.1.48-3.el8.noarch                                                  9/21 
  Verifying        : rocky-logos-httpd-85.0-4.el8.noarch                                         10/21 
  Verifying        : libsodium-1.0.18-2.el8.x86_64                                               11/21 
  Verifying        : php-8.1.6-1.el8.remi.x86_64                                                 12/21 
  Verifying        : php-cli-8.1.6-1.el8.remi.x86_64                                             13/21 
  Verifying        : php-common-8.1.6-1.el8.remi.x86_64                                          14/21 
  Verifying        : php-fpm-8.1.6-1.el8.remi.x86_64                                             15/21 
  Verifying        : php-mbstring-8.1.6-1.el8.remi.x86_64                                        16/21 
  Verifying        : php-opcache-8.1.6-1.el8.remi.x86_64                                         17/21 
  Verifying        : php-pdo-8.1.6-1.el8.remi.x86_64                                             18/21 
  Verifying        : php-sodium-8.1.6-1.el8.remi.x86_64                                          19/21 
  Verifying        : php-xml-8.1.6-1.el8.remi.x86_64                                             20/21 
  Verifying        : oniguruma5php-6.9.8-1.el8.remi.x86_64                                       21/21 

Installed:
  apr-1.6.3-12.el8.x86_64                                                                              
  apr-util-1.6.1-6.el8.1.x86_64                                                                        
  apr-util-bdb-1.6.1-6.el8.1.x86_64                                                                    
  apr-util-openssl-1.6.1-6.el8.1.x86_64                                                                
  httpd-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                                                 
  httpd-filesystem-2.4.37-47.module+el8.6.0+823+f143cee1.1.noarch                                      
  httpd-tools-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                                           
  libsodium-1.0.18-2.el8.x86_64                                                                        
  mailcap-2.1.48-3.el8.noarch                                                                          
  mod_http2-1.15.7-5.module+el8.6.0+823+f143cee1.x86_64                                                
  oniguruma5php-6.9.8-1.el8.remi.x86_64                                                                
  php-8.1.6-1.el8.remi.x86_64                                                                          
  php-cli-8.1.6-1.el8.remi.x86_64                                                                      
  php-common-8.1.6-1.el8.remi.x86_64                                                                   
  php-fpm-8.1.6-1.el8.remi.x86_64                                                                      
  php-mbstring-8.1.6-1.el8.remi.x86_64                                                                 
  php-opcache-8.1.6-1.el8.remi.x86_64                                                                  
  php-pdo-8.1.6-1.el8.remi.x86_64                                                                      
  php-sodium-8.1.6-1.el8.remi.x86_64                                                                   
  php-xml-8.1.6-1.el8.remi.x86_64                                                                      
  rocky-logos-httpd-85.0-4.el8.noarch                                                                  

Complete!

17b. Add the PHP MySQL extension!

Code Block
sudo dnf install php-mysqlnd


18. Verify the installation and check the version and build:

...

Code Block
sudo mkdir -p /varusr/share/wwwnginx/html/wordpress

23. Unzip WordPress to the www directory:

Code Block
sudo unzip latest.zip -d /usr/varshare/wwwnginx/html/

Create HTML file permissions

24. You must set the directory owner permissions to WWWsomething consistent, or else you will have trouble with WordPress write permissions. We first need to create a user and group that owns HTML content (web2), and also that is not a user with a shell or sudo permissions.

Code Block
[mtb@sierra ~]$ sudo groupadd -g 2222 webtwo
[mtb@sierra ~]$ sudo useradd -u 2222 -g 2222 -d /usr/share/nginx/html -s /sbin/nologin -c "webtwo files" webtwo
useradd: warning: the home directory already exists.
Not copying any file from skel directory into it.
[mtb@sierra ~]$ sudo usermod -G webtwo nginx      

25. Add nginx user support to the webtwo group created in the previous step:

Code Block
[mtb@sierra ~]$ sudo usermod -G webtwo nginx

26. Change ownership on the HTML directories:

Code Block
[mtb@sierra html]$ sudo chown -R webtwo:webtwo /usr/share/nginx/html
[sudo] password for mtb: 
[mtb@sierra html]$ ls -la
total 8
drwxrwxr-x. 13 webtwo webtwo  236 Jun 13 15:05 .
drwxr-xr-x.  4 root   root     33 Mar 31 14:03 ..
drwxr-xr-x   2 webtwo webtwo    6 May 26 16:00 4m3.bio
drwxr-xr-x   2 webtwo webtwo    6 Jun 13 15:05 costaflores.com
drwxr-xr-x   4 webtwo webtwo   57 May 26 15:57 martianwinefederation.org
drwxr-xr-x   2 webtwo webtwo    6 Jun 13 15:05 moss.law
drwxrwxr-x   4 webtwo webtwo  292 Jun 13 15:03 nft.openvino.org
drwxr-xr-x   3 webtwo webtwo  229 Jun 13 15:04 old
drwxr-xr-x   2 webtwo webtwo    6 Jun 13 15:05 openvino.exchange
drwxr-xr-x   2 webtwo webtwo    6 Jun 13 15:05 openvino.org
drwxrwxr-x  16 webtwo webtwo 4096 Jun 10 16:12 postfixadmin
drwxr-xr-x   8 webtwo webtwo  123 May  4  2020 theluckhunters.com
drwxr-xr-x   5 webtwo webtwo 4096 May 29 02:14 wordpress

27. Allow group write content (for nginx) into wp-content

Code Block
sudo chmod 775 wordpress/wp-content

Create Database for WordPress

28. Create the Wordpress DB’s and username:

Code Block
[mtb@sierra html]$ sudo mariadb -u root
[sudo] password for mtb: 
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 17
Server version: 10.5.13-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> CREATE DATABASE WORDPRESSDB;
Query OK, 1 row affected (0.000 sec)

MariaDB [(none)]> CREATE USER 'WPUSER'@localhost IDENTIFIED BY 'CHANGEONINSTALL';
Query OK, 0 rows affected (0.004 sec)

MariaDB [(none)]> GRANT ALL PRIVILEGES ON WORDPRESSDB.* TO WPUSER@localhost IDENTIFIED BY 'CHANGEONINSTALL';
Query OK, 0 rows affected (0.002 sec)

MariaDB [(none)]> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.001 sec)

MariaDB [(none)]> EXIT;
Bye

Configure WordPress Configuration Files

29. Configure wp-config.php

Code Block
[mtb@sierra wordpress]$ pwd
/usr/share/nginx/html/wordpress

[mtb@sierra wordpress]$ sudo cp wp-config-sample.php wp-config.php
[mtb@sierra wordpress]$ vi wp-config.php

// ** Database settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'WORDPRESSDB' );

/** Database username */
define( 'DB_USER', 'WPUSER' );

/** Database password */
define( 'DB_PASSWORD', 'CHANGEONINSTALL' );

/**
 * WordPress database table prefix.
 *
 * You can have multiple installations in one database if you give each
 * a unique prefix. Only numbers, letters, and underscores please!
 */
$table_prefix = 'wp_';

/**
 * Save files direct 
 */
define( 'FS_METHOD', 'direct' );

/**
 * Increase memory limit
 */
define('WP_MEMORY_LIMIT', '256M');

File Permissions for WordPress Files/Folders

In general, the correct file permissions for WordPress should be as follows:

  • Files: 664

  • Folders: 775

However, there are a few specific exemptions that are important to note:

  • wp-config.php file

  • .htaccess file

  • nginx.conf file

Note

You might have noticed that wp-config.php has the database password in cleartext.

wp-config.php Permissions

30. Set file permissions.

A good recommendations is for 640. You could set the file to 440, however this might cause problems, as many WordPress plugins rely on write access for the wp-config.php file.

Code Block
[mtb@sierra wordpress]$ sudo chown webtwo:webtwo wp-config.php
[mtb@sierra wordpress]$ sudo chmod 640 wp-config.php

Set WordPress Security Salt Keys

It would be best to visit WordPress secret-key API to generate your own. The address salt key generator can be found at https://api.wordpress.org/secret-key/1.1/salt/. Replace the example lines with the codes from the generator.

Code Block
define('AUTH_KEY',         '<3yfS7/>%m.Tl^8Wx-Y8-|T77WRK[p>(PtH6V]Dl69^<8|K86[_Z},+THZ25+nJG');
define('SECURE_AUTH_KEY',  'bN#Qy#ChBX#Y`PE/_0N42zxgLD|5XpU[mu.n&:t4q~hg<UP/b8+xFTly_b}f]M;!');
define('LOGGED_IN_KEY',    'owpvIO-+WLG|,1)CQl*%gP1uDp}s(jUbYQ[Wm){O(x@sJ#T}tOTP&UOfk|wYsj5$');
define('NONCE_KEY',        '8=Vh|V{D<>`CLoP0$H!Z3gEqf@])){L+6eGi`GAjV(Mu0YULL@sagx&cgb.QVCbi');
define('AUTH_SALT',        '%TX*X$GE-;|?<-^(+K1Un!_Y<hk-Ne2;&{c[-v!{q4&OiJjQon /SHcc/:MB}y#(');
define('SECURE_AUTH_SALT', '=zkDT_%}J4ivjjN+F}:A+s6e64[^uQ<qNO]TfHS>G0elz2B~7Nk.vRcL00cJoo7*');
define('LOGGED_IN_SALT',   '{$-o_ull4|qQ?f=8vP>Vvq8~v>g(2w12`h65ztPM(xo!Fr()5xrqy^k[E~TwI!xn');
define('NONCE_SALT',       'a1G(Q|X`eX$p%6>K:Cba!]/5MAqX+L<A4yU_&CI)*w+#ZB+*yK*u-|]X_9V;:++6');

Nginx server block configuration

31. Now, you are almost ready to install WordPress through the web UI. However, you need to configure your Nginx server block.

Info

The settings below are pretty crucial. It should be noted to emphasize the importance of “try_files $uri $uri/ /index.php?$args;” as it is often an issue with other tutorials that leave the ending ?$args left out, giving you major site health issues comes to the REST API of WordPress.

Next, edit a domain specific file in /etc/nginx/conf.d (i.e. moss.law.conf):

Code Block
[mtb@sierra conf.d]$ cat moss.law.conf 
server {

  listen 80;
  listen [::]:80;
  
  server_name www.moss.law moss.law;

  root /usr/share/nginx/html/wordpress;
  
  index index.php index.html index.htm;

  location / {
  try_files $uri $uri/ /index.php?$args;
 }

  location ~* /wp-sitemap.*\.xml {
  try_files $uri $uri/ /index.php$is_args$args;
  }

  client_max_body_size 64M;

# Pass the php scripts to FastCGI server specified in upstream declaration.

 location ~ \.php$ {
  try_files $uri =404;
  fastcgi_pass unix:/run/php-fpm/www.sock;
  fastcgi_index   index.php;
  fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
  include fastcgi_params;

  fastcgi_buffer_size 128k;
  fastcgi_busy_buffers_size 128k;
  fastcgi_buffers 4 128k;

  fastcgi_intercept_errors on;
  fastcgi_connect_timeout 40;
  fastcgi_send_timeout 60;
  fastcgi_read_timeout 60;

 gzip on;
 gzip_comp_level 6;
 gzip_min_length 1000;
 gzip_proxied any;
 gzip_disable "msie6";
 gzip_types
    application/atom+xml
    application/geo+json
    application/javascript
    application/x-javascript
    application/json
    application/ld+json
    application/manifest+json
    application/rdf+xml
    application/rss+xml
    application/xhtml+xml
    application/xml
    font/eot
    font/otf
    font/ttf
    image/svg+xml
    text/css
    text/javascript
    text/plain
    text/xml;

  # assets, media
  location ~* \.(?:css(\.map)?|js(\.map)?|jpe?g|png|gif|ico|cur|heic|webp|tiff?|mp3|m4a|aac|ogg|midi?|wav|mp4|mov|webm|mpe?g|avi|ogv|flv|wmv)$ {
     expires    90d;
     access_log off;
  }

  # svg, fonts
  location ~* \.(?:svgz?|ttf|ttc|otf|eot|woff2?)$ {
     add_header Access-Control-Allow-Origin "*";
     expires    90d;
     access_log off;
  }

  location ~ /\.ht {
     access_log off;
     log_not_found off;
     deny all;
  }
 } 
}

PHP.ini configuration

To successfully install WordPress and operate it well into the future, you should increase a few options in the php.ini configuration file.

Firstly, open the php.ini file:To successfully install WordPress and operate it well into the future, you should increase a few options in the php.ini configuration file.

32. Firstly, edit the php.ini file, and make the following changes:

Code Block
max_execution_time = 180 (located on line 338)
max_input_time = 90 (located on line 398)
memory_limit = 256M (located on line 409)
upload_max_filesize = 64M (located on line 846)

By default on Rocky Linux, the PHP-FPM service is designed to be run (Apache) user, which is incorrect since we are using Nginx, and this needed to be corrected.

Firstly, open following (www.conf) configuration file:

33. Edit www.conf and replace user apache with nginx

Code Block
[mtb@sierra conf.d]$ sudo vi /etc/php-fpm.d/www.conf 

; RPM: apache user chosen to provide access to the same directories as httpd
user = nginx
; RPM: Keep a group allowed to write in log dir.
group = nginx

34. Restart PHP

Code Block
sudo systemctl restart php-fpm

35. Fix path for fastcgi_pass in /etc/ngninx/default.d/php.conf

Code Block
      fastcgi_pass   unix:/var/run/php-fpm/www.sock;

36. Test to see if the configuration files load correctly:

Code Block
[mtb@sierra conf.d]$ sudo nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

37. After checking and everything is ok with your Nginx dry run test, restart the Nginx service.

Code Block
sudo systemctl restart nginx

SElinux configuration

Before proceeding any further, a few adjustments must be made to SELinux.

38. First, allow webserver network connections.

Code Block
sudo setsebool -P httpd_can_network_connect 1


39. Next, set the SELinux contexts WordPress directory.

Code Block
[mtb@sierra conf.d]$ sudo semanage fcontext -a -t httpd_sys_rw_content_t "/usr/share/nginx/html(/.*)?"
ValueError: File context for /usr/share/nginx/html(/.*)? already defined
[mtb@sierra conf.d]$ sudo restorecon -Rv /usr/share/nginx/html
[mtb@sierra conf.d]$ sudo systemctl restart php-fpm
Note

Not sure why the “ValueError: … already defined” message appears. It should exit 0, even if these flags are already set.

40. Restart PHP-FPM for good practice

Code Block
sudo systemctl restart php-fpm

Install WordPress frontend

Now that all the backend setup and configuration are complete, you can go to your domain and begin installing.

41. Go to mydomain.com/wp-admin/install.php

If it works, you should see this screen:

...

Once you have created an initial admin user, WordPress is setup. Now we need to enable WordPress to manage multiple domains.

Configure WordPress multi-site feature for multiple domains

In this setup, we are using one WordPress installation to manage different domains:

WordPress multisite functionality comes built-in with WordPress, but it is turned off by default. You’ll need to enable it in order to set up your WordPress multisite.

For that, we need to add multisite support in /usr/share/nginx/html/wordpress/wp-config.php

Code Block
/** Add multi-site support */
define( 'WP_ALLOW_MULTISITE', true );

Now we need to switch back to the WordPress admin dashboard and reload the admin dashboard page. After that, visit the Tools » Network Setup page to configure your WordPress multisite network.

...

Choose the Sub-domains option, modify the Network Title as desired, and then click Install.

You will be presented with two blocks of code to be added in the wp-config.php and .htaccess files. Copy the wp-config.php code which looks similar to the following:

Code Block
define('MULTISITE', true);
define('SUBDOMAIN_INSTALL', true);
define('DOMAIN_CURRENT_SITE', 'moss.law');
define('PATH_CURRENT_SITE', '/');
define('SITE_ID_CURRENT_SITE', 1);
define('BLOG_ID_CURRENT_SITE', 1);

Edit the wp-config.php file.

Code Block
sudo vi /usr/share/nginx/wordpress/wp-config.php

Add these lines before the comment /* That's all, stop editing! Happy blogging. */ and save it.

...

Log out of the WordPress admin panel, and log in again. From the admin toolbar on the top left, navigate to the My Sites > Network Admin > Sites.

...

Configure SSL certificates with Let’s Encrypt

To configure SSL certificates with Let’s Encrypt, first:

Install the EPEL repository and the mod_ssl package for better-updated packages and security.

Code Block
sudo dnf install epel-release mod_ssl -y

DigitalOcean Agent                                                                                                     128 kB/s | 3.3 kB     00:00    
DigitalOcean Droplet Agent                                                                                              55 kB/s | 3.3 kB     00:00    
Package epel-release-8-15.el8.noarch is already installed.
Dependencies resolved.
=======================================================================================================================================================
 Package                    Architecture              Version                                                       Repository                    Size
=======================================================================================================================================================
Installing:
 mod_ssl                    x86_64                    1:2.4.37-47.module+el8.6.0+823+f143cee1.1                     appstream                    136 k

Transaction Summary
=======================================================================================================================================================
Install  1 Package

Total download size: 136 k
Installed size: 266 k
Downloading Packages:
mod_ssl-2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64.rpm                                                             957 kB/s | 136 kB     00:00    
-------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                  706 kB/s | 136 kB     00:00     
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                               1/1 
  Installing       : mod_ssl-1:2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                                                                      1/1 
  Running scriptlet: mod_ssl-1:2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                                                                      1/1 
  Verifying        : mod_ssl-1:2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                                                                      1/1 

Installed:
  mod_ssl-1:2.4.37-47.module+el8.6.0+823+f143cee1.1.x86_64                                                                                             

Complete!

Next, install the certbot package as follows:

Code Block
[mtb@sierra updraft]$ sudo dnf install python3-certbot-nginx -y
Last metadata expiration check: 0:01:00 ago on Thu 16 Jun 2022 09:48:43 PM UTC.
Package python3-certbot-nginx-1.22.0-1.el8.noarch is already installed.
Dependencies resolved.
Nothing to do.
Complete!

Once installed, run the following command to start the creation of your certificate:

Code Block
[mtb@sierra updraft]$ sudo certbot --nginx --agree-tos --redirect --hsts --staple-ocsp --email mtb@costaflores.com -d moss.law
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Requesting a certificate for moss.law

Successfully received certificate.
Certificate is saved at: /etc/letsencrypt/live/moss.law/fullchain.pem
Key is saved at:         /etc/letsencrypt/live/moss.law/privkey.pem
This certificate expires on 2022-09-14.
These files will be updated when the certificate renews.
Certbot has set up a scheduled task to automatically renew this certificate in the background.

Deploying certificate
Successfully deployed certificate for moss.law to /etc/nginx/conf.d/moss.law.conf
Congratulations! You have successfully enabled HTTPS on https://moss.law

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
If you like Certbot, please consider supporting our work by:
 * Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
 * Donating to EFF:                    https://eff.org/donate-le
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Now the site should respond to HTTPS connections with the new certificate!

...

Finally, we can set a cron job to renew the certificates automatically. Certbot offers a script that does this automatically, and you can first test to make sure everything is working by performing a dry run.

Code Block
sudo certbot renew --dry-run

Next install the cronjob (crontab -e):

Code Block
00 00 */1 * * /usr/sbin/certbot-auto renew