Install Nginx On CentOS7

3 minute read

Description:

So I have installed Apache a couple times on CentOS 7 and wanted to try Nginx just for testing. It turns out, I couldn’t get it to work, I’m sure somewhere along step 3 I messed up but I wanted to post this anyways so that I can finish this up on a later day. Essentially, I got to the default web page that Nginx uses, but couldn’t get the path changed to point to my WordPress install. Either way, here is the guide.

To Resolve:

  1. Install software by opening a terminal and typing:

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    sudo yum install epel-release nginx mariadb mariadb-server php php-fpm php-common php-mysql php-gd php-xml php-mbstring php-mcrypt
sudo systemctl start nginx
sudo systemctl start mysqld
sudo systemctl start php-fpm
sudo systemctl enable nginx
sudo systemctl enable mysqld
sudo systemctl enable php-fpm
sudo firewall-cmd --permanent --zone=public --add-service=http
sudo firewall-cmd --reload

  2. We will start by setting up the database:

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    # Initiate the secure install script. Keep in mind it is asking about a database user called root which you don't know the password, so just hit enter. Not your current root password. It will then prompt you to set it.
sudo mysql_secure_installation

# Now enter the following lines (one at a time) to create a database and user, in this example, WordPress:
mysql -u root -p (enterPassword)
CREATE DATABASE wordpress;
CREATE USER "wordpressuser"@"localhost" IDENTIFIED BY "password";
GRANT ALL PRIVILEGES ON wordpress.* TO "wordpressuser"@"localhost" IDENTIFIED BY "password";
FLUSH PRIVILEGES;
exit

  3. Now we configure our setup:

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    sudo vi /etc/php.ini
# Scroll until you get towards the bottom. Find cgi.fix_pathinfo and change the value to "0" and uncomment it out

# Now we move to another file
sudo vi /etc/php-fpm.d/www.conf

# Change the "listen =" line to listen = /var/run/php-fpm/php-fpm.sock
# Find the lines that set the listen.owner and listen.group and uncomment them and change their values to "nginx"

  4. Get/install WordPress:

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    cd ~/Downloads
sudo wget http://wordpress.org/latest.tar.gz

# Extract to default nginx dir
tar -xzvf latest.tar.gz -C /usr/share/nginx/html/

# Set permissions
sudo chown -R nginx:nginx /usr/share/nginx/html/wordpress
sudo chmod -R 755 /usr/share/nginx/html/wordpress

# Now we create a site config page
sudo vi /etc/nginx/conf.d/example.net.conf

# Paste in the following:
server {
listen 80;
server_name example.net;
root   /usr/share/nginx/html/wordpress;
index index.php index.html;
location / {
try_files $uri $uri/ @handler;
}
location @handler {
fastcgi_pass 127.0.0.1:9000;
fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html/wordpress/index.php;
include /etc/nginx/fastcgi_params;
fastcgi_param SCRIPT_NAME /index.php;
}
location ~ .php$ {
try_files $uri @handler;
fastcgi_pass    127.0.0.1:9000;
fastcgi_index   index.php;
fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html/wordpress$fastcgi_script_name;
include fastcgi_params;
}
}

# Now we move to a different file
sudo vi /etc/nginx/conf.d/default.conf

# Paste in or replace:
server {
listen       80;
server_name  server_domain_name_or_IP;

# Note that these lines are originally from the "location /" block
root   /usr/share/nginx/html;
index index.php index.html index.htm;

location / {
try_files $uri $uri/ =404;
}
error_page 404 /404.html;
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /usr/share/nginx/html;
}

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

# Save and exit the file

# Actually install wordpress
cd /usr/share/nginx/html/wordpress
cp wp-config-sample.php wp-config.php
chmod 644 wp-config.php
chown nginx:nginx wp-config.php

# Open wordpress configuration file and change MySQL settings
sudo vi wp-config.php

# Lastly, restart service
sudo systemctl restart nginx

  5. Open up http://localhost in your browser and finish installing WordPress. Should be good to go!

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