How to Install Omeka with LEMP Stack on AlmaLinux 8
Omeka is a free, open-source content management system for online digital collections. As a web application, it allows users to publish and exhibit cultural heritage objects, and extend its functionality with themes and plugins. In this article, we are going to learn how to install Omeka on AlmaLinux 8. So, let’s get started.
Checkout the Omeka Project Here.
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Pre-requisites
-
A system with AlmaLinux 8 installed and running.
-
root
access to the system. -
LEMP Stack installed and running, for this, you can refer to one of our guides on installing the LEMP Stack (Nginx, MariaDB, and PHP).
- Let's Encrypt installed, for this, you can refer to one of our guides on installing the Let's Encrypt with LEMP Stack on AlmaLinux 8.
Once you're all set, we'll proceed with Omeka installation and configuration.
Create Database
Let us begin with creating a Database and a user. We will then grant the required privileges to the user so it can interact with the Database.
mysql -u root
CREATE DATABASE crowncloud;
CREATE USER 'crowncloud'@'localhost' IDENTIFIED BY 'YOUR-PASSWORD-HERE';
GRANT ALL PRIVILEGES ON crowncloud.* TO 'crowncloud'@'localhost';
FLUSH PRIVILEGES;
quit
The above commands will give complete access to the user
crowncloud
. ReplaceYOUR-PASSWORD-HERE
with a safe and secure password.
Configuring Nginx Reverse Proxy
Let's configure nginx.conf
with the following command:
nano /etc/nginx/nginx.conf
Replace the nginx.conf
file with the below configuration.
# For more information on configuration, see:
# * Official English Documentation: http://nginx.org/en/docs/
# * Official Russian Documentation: http://nginx.org/ru/docs/
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
worker_connections 1024;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Load modular configuration files from the /etc/nginx/conf.d directory.
# See http://nginx.org/en/docs/ngx_core_module.html#include
# for more information.
include /etc/nginx/conf.d/*.conf;
}
Now, type in Ctrl+O
and type Ctrl+X
to save and exit the file.
Create a new Nginx configuration file dev.conf
for the domain with the following command:
vi /etc/nginx/conf.d/dev.conf
Add the following codes:
Replace
dev.domainhere.info
withYour Domain Name
and Change SSL Path according to your SSL Path.And also replace the root path,
/var/www/html/Omeka
with the actual path where your website's data are stored.
server {
listen 80;
server_name dev.domainhere.info;
root /var/www/html/omeka/omeka-s;
index index.php index.html index.htm;
location / {
try_files $uri $uri/ /index.php?$args;
}
location = /favicon.ico {
log_not_found off;
access_log off;
}
location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
expires max;
log_not_found off;
}
location = /robots.txt {
allow all;
log_not_found off;
access_log off;
}
location ~ \.php$ {
include /etc/nginx/fastcgi_params;
fastcgi_pass unix:/run/php-fpm/www.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
}
listen 443 http2 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/dev.domainhere.info/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/dev.domainhere.info/privkey.pem; # managed by Certbot
include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
Now, press the Esc
key, and type :wq!
and press the Enter
key to save and exit the file.
For SELinux enabled systems, Run the below command
setsebool -P httpd_can_network_connect 1
Now, restart & check the Nginx with the following commands:
systemctl restart nginx
systemctl status nginx
Enable http and https ( 80/443 )
To enable http and https connection through the firewall, follow the commands:
firewall-cmd --permanent --zone=public --add-service=http
firewall-cmd --permanent --zone=public --add-service=https
firewall-cmd --reload
Install Omeka
Download Omeka from the official website : Click here.
Let's install Omeka using below commands:
cd /var/www/html
mkdir omeka && cd omeka
wget https://github.com/omeka/omeka-s/releases/download/v3.1.1/omeka-s-3.1.1.zip
unzip omeka-s-3.1.1.zip
rm omeka-s-3.1.1.zip
cd omeka-s
Setting up Database details
For setting database details, use the below codes.
cd config
nano database.ini
Replace with the below configurations
user = "crowncloud"
password = "YOUR-PASSWORD-HERE"
dbname = "crowncloud"
host = "localhost"
port = "3306"
Edit the file and type in Ctrl+O
and type Ctrl+X
to save and exit the file.
Setting up File Permissions
Let's make the folders readable.
chmod -R 755 /var/www/html/omeka/omeka-s
chmod -R 777 /var/www/html/omeka/omeka-s/files
chown -R nginx:nginx /var/www/html/omeka/omeka-s
chcon -R -t httpd_sys_content_rw_t /var/www/html/omeka/omeka-s
Now, restart & check Nginx with the following commands:
systemctl restart nginx
systemctl status nginx
Configuring Omeka
Now open the IP address from your browser, this will redirect you to configuring the final parts of the Omeka installation.
https://dev.domainhere.info
Replace the
dev.domainhere.info
with the actual IP or domain configured on the server.
Follow the below steps:
Now you have successfully installed Omeka with LEMP Stack on AlmaLinux 8.
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