Category: Uncategorized

• Start – Enable httpd
  • sudo systemctl start httpd
  • sudo systemctl enable httpd
  • sudo systemctl status httpd
• Firewall Add Service
  • sudo firewall-cmd –list-all
  • sudo firewall-cmd –add-service=http –permanent
  • sudo firewall-cmd –add-service=https –permanent
  • sudo firewall-cmd –reload
  • sudo firewall-cmd –list-all
• Firewall Add Port
  • sudo firewall-cmd –zone=public –add-port=80/tcp –permanent
  • sudo firewall-cmd –zone=public –permanent –add-port=443/tcp
  • sudo firewall-cmd –reload
• IP add port
  • sudo iptables -I INPUT 5 -i eth0 -p tcp –dport 80 -m state –state NEW,ESTABLISHED -j ACCEPT
  • sudo iptables -I INPUT 5 -i eth0 -p tcp –dport 443 -m state –state NEW,ESTABLISHED -j ACCEPT
  • sudo iptables –line -vnL
• Telnet xx.xx.xx.xx(IP ADDRESS) xx(PORT)

 

 

• Create a New Hostname with an A Record
  • To add the hostname from the control panel, click Networking in the main menu. In the Domains tab, click the domain name you would like to add the new hostname to.
  • In the Create new record screen, click the A tab.
• Create sub directory & host project files
  • Create a directory under /var/www/ the directory using the commands
  • cd /var/www/
  • mkdir subdomain.website.com
  • sudo nano index.html
• Configure Virtual Host
  • cd /etc/apache2/sites-available/
  • cp 000-default.conf subdomain.website.com.conf
  • nano subdomain.website.com.conf
  • Now once you are inside the config file, change the following
    • #ServerName
    • #ServerAlias
    • #DocumentRoot
• Enabling the New Virtual Host Files
  • sudo a2ensite subdomain.website.com.conf
  • sudo a2dissite 000-default.conf
  • sudo systemctl restart apache2

 

https://docs.digitalocean.com/products/networking/dns/how-to/add-subdomain/#create-a-new-hostname-with-an-a-record

https://medium.com/@Madgeek_in/how-to-create-subdomains-on-digitalocean-lamp-df501dff5855

https://www.digitalocean.com/community/tutorials/how-to-set-up-apache-virtual-hosts-on-ubuntu-16-04

<input type=”email” name=”sample_email” pattern=”[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,}$”>

Will only be generated if user not login access nonce.

add_filter( ‘nonce_user_logged_out’, ‘generate_randomUID’ );
function generate_randomUID( $uid ) {
if($uid != 0){
return $uid;
}else{
return wp_generate_uuid4();
}
}

Digital Ocean

• Create Droplet on Digitalocean
• New SSh Key
  • Open puttygen and generate new key
  • Save private key and Save public key, no phasspassword is okay
  • Copy the key Content that has been generated by puttygen
  • Paste it to the SSh field on Digitalocean, and name the key

Putty on Server

• sudo apt update
• Nginx
  • sudo apt install nginx
  • sudo ufw app list
    • Check which UFW profiles are available
  • sudo ufw allow ‘Nginx HTTP’
    • Since you haven’t configured SSL for your server in this guide, you will only need to allow regular HTTP traffic on port 80
  • curl -4 icanhazip.com
    • Check IP address is accessible from the internet
    • Try to access the IP address from the browser
• Mysql
  • sudo apt install mysql-server
• Php
  • sudo add-apt-repository -y ppa:ondrej/php
  • sudo add-apt-repository -y ppa:ondrej/nginx-mainline
  • sudo apt update -y
  • sudo apt upgrade -y
  • sudo apt install -y -q php8.1-{cli,fpm,mysql,gd,soap,mbstring,bcmath,common,xml,curl,imagick,fileinfo,gettext,mbstring,SimpleXML,zip}
• Configure Nginx
  • sudo mkdir /var/www/your_domain
    • Create root directory for website
  • sudo chown -R $USER:$USER /var/www/your_domain
    • Assign ownership of the directory
  • sudo nano /etc/nginx/sites-available/your_domain

    • server {
          listen 80;
          server_name your_domain www.your_domain;
          root /var/www/your_domain;
      
          index index.html index.htm index.php;
      
          location / {
              try_files $uri $uri/ =404;
          }
      
          location ~ \.php$ {
              include snippets/fastcgi-php.conf;
              fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
           }
      
          location ~ /\.ht {
              deny all;
          }
      
      }

    • CTRL+X and then y and ENTER to confirm
  • sudo ln -s /etc/nginx/sites-available/your_domain /etc/nginx/sites-enabled/
  • sudo unlink /etc/nginx/sites-enabled/default
  • sudo nginx -t
  • sudo systemctl reload nginx
  • nano /var/www/your_domain/index.html
    • Hello world!
    • CTRL+X and then y and ENTER to confirm
  • curl -4 icanhazip.com
    • Try to access the IP address from the browser
• Phpmyadmin
  • sudo apt install phpmyadmin
  • Click Tab straight to OK, without choosing any web server
  • Yes for dgconfig-common, set password
  • sudo ln -s /usr/share/phpmyadmin /var/www/your_domain/phpmyadmin
  • sudo mysql -u root -p
    • enter mysql password
    • CREATE USER ‘pmauser’@’localhost’ IDENTIFIED BY ‘password_here’;
    • GRANT ALL PRIVILEGES ON *.* TO ‘pmauser’@’localhost’;
    • exit
  • curl -4 icanhazip.com
    • Try to access the IP address from the browser, http://your_domain/phpmyadmin
  • sudo mv /var/www/your_domain/phpmyadmin /var/www/your_domain/hide_phpmyadmin
    • Secure the url from common url phpmyadmin
  • sudo apt install apache2-utils
    • Secure phpmyadmin with popup credential
    • sudo htpasswd -c /etc/nginx/.htpasswd username , set new password after that
    • sudo nano /etc/nginx/sites-available/your_domain

      • location /hide_phpmyadmin {
                auth_basic "Restricted Access";
                auth_basic_user_file /etc/nginx/.htpasswd;
        }

    • sudo service nginx reload
• Firewall
  • sudo nano /etc/default/ufw
    • Check that IPV6=yes
  • sudo ufw default deny incoming
  • sudo ufw default allow outgoing
  • sudo ufw app list
  • sudo ufw allow OpenSSH
    • Or sudo ufw allow 22
    • Or sudo ufw allow ssh
  • sudo ufw show added
    • Check rules that have been added
  • sudo ufw enable
  • sudo ufw allow ‘Nginx Full’
    • Include sudo ufw allow http
    • Include sudo ufw allow https
• Fail2ban
  • apt install fail2ban
• Add New User
  • adduser sammy
    • Setup password and information details
  • usermod -aG sudo sammy
  • su – sammy
    • Switch active user to sammy
  • sudo ls -la /root
    • Test one of the sudo command
    • Enter password for confirmation

 

References :

https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-20-04

https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-phpmyadmin-with-nginx-on-an-ubuntu-20-04-server

https://www.vultr.com/es/docs/installing-configuring-and-securing-php-8-1-on-ubuntu-20-04

https://devanswers.co/install-secure-phpmyadmin-nginx-ubuntu-20-04

https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-with-ufw-on-ubuntu-18-04

https://serverspace.io/support/help/install-configure-fail2ban-ubuntu-20-04/

https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-on-ubuntu-20-04

Instagram Feed :
https://wordpress.org/plugins/wd-instagram-feed/
https://wordpress.org/plugins/instagram-feed/

Woocommerce Discount Rule :
https://www.flycart.org/products/wordpress/woocommerce-discount-rules

Woocommerce Filter Product :
https://wordpress.org/plugins/woocommerce-products-filter/

Woocommerce Custom Advanced Report :
https://aspengrovestudios.com/product/product-sales-report-pro-for-woocommerce/

Woocommerce Print Order Detail :
https://tokopress.id/plug-and-ship/

Dynamic Select List in Contact Form 7

function dynamic_select_field_values ( $scanned_tag, $replace )
{

if ( $scanned_tag[‘name’] != ‘products’ )
return $scanned_tag;

$rows = get_posts(
array (
‘post_type’ => ‘products’,
‘numberposts’ => -1,
‘orderby’ => ‘title’,
‘order’ => ‘ASC’
)
);

if ( ! $rows )
return $scanned_tag;

foreach ( $rows as $row ) {
$scanned_tag[‘raw_values’][] = $row->post_title . ‘|’ . $row->post_title;
}

$pipes = new WPCF7_Pipes($scanned_tag[‘raw_values’]);

$scanned_tag[‘values’] = $pipes->collect_befores();
$scanned_tag[‘labels’] = $pipes->collect_afters();
$scanned_tag[‘pipes’] = $pipes;

return $scanned_tag;
}

add_filter( ‘wpcf7_form_tag’, ‘dynamic_select_field_values’, 10, 2);

class Menu_tree{

public $menu_list;
public $menu_items;

function __construct() {

$menu = wp_get_nav_menu_object( ‘main-menu’ );
$this->menu_items = wp_get_nav_menu_items($menu->term_id);
$this->menu_list = array();
$this->getMenu();
}

function getMenu(){

foreach( $this->menu_items as $key => $current ) {

$current->children = array();

if($current->menu_item_parent == 0) // first parent
{
$this->menu_list[ $current->ID ] = $current;
}
else
{
if(isset($this->menu_list[ $current->menu_item_parent ])) // if child of first parent
{
$this->menu_list[ $current->menu_item_parent ]->children[ $current->ID ] = $current;
}
else
{
$this->current = $current;
$this->checkChildren(); // Setting up CHILDREN
}
}

}

return $this->menu_list;
}

function checkChildren($data = array()){

$last_arr = end($this->menu_list);

if(empty($data)) // FIRST CHILDREN LOOP
{
foreach( $last_arr->children as $key => $current ) {

if( $current->ID == $this->current->menu_item_parent )
{
$current->children[ $this->current->ID ] = $this->current;
break;
}

if(!empty($current->children))
{
$this->checkChildren($current->children);
}
}
}
else // RELOOP TO Children
{
foreach( $data as $key => $current ) {
if( $current->ID == $this->current->menu_item_parent )
{
$current->children[ $this->current->ID ] = $this->current;
break;
}

if(!empty($current->children))
{
$this->checkChildren($current->children);
}
}
}
}
}

Welcome to WordPress. This is your first post. Edit or delete it, then start writing!