Dev {Tricks}

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WordPress WP-CLI for updating themes and plugins and more

  • Connect to SSH
  • Run the following commands
    • To update WordPress core: 
      wp core update
    • To update one plugin: 
      wp plugin update plugin-name
    • To update all plugins: 
      wp plugin update --all
    • To update one theme: 
      wp theme update theme-name
    • To update all themes: 
      wp theme update --all

For security reasons, it is recommended to keep WordPress, plugins, and themes up to date.

Export the database with WP-CLI

wp db export filename.sql

Import the database with WP-CLI

wp db import filename.sql

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Invalid JSON Error in WordPress

  • An error has occurred: The response is not a valid JSON response.
  • Updating Failed. The Response is Not a Valid JSON Response

1. Check the WordPress URLs in Settings > General

WordPress Address (URL)
Site Address (URL)

2. Fix the WordPress Permalink Structure

Go to Settings » Permalinks

Save Changes

3. Regenerate the WordPress .htaccess File

4. Check WordPress Site Health tool.

Go Tools » Site Health

Take necessary actions.

5. Deactivate All WordPress Plugins

WordPress plugins may conflict with each other or the WordPress core software. Deactivate all WordPress plugins and then activate them one by one and check.

6. If all the above test fails, then temporarily Switch to the Classic Editor and check.

7. Further Troubleshoot switching to a Default WordPress Theme

8. Temporarily Turn Off Website Application Firewall

9. Turn On Debugging in WordPress

define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true );

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Remove Softaculous Installation without deleting files and database

  • How to Remove Installation without deleting files

To remove a Softaculous installation without deleting its files and database just follow the steps given below to you:

  1. Go to Current Installations
  2. Then click on the Red Icon (remove)
  3. You will be redirected to a page where you will option to uncheck Installation Directory, Database and Database User boxes.
  4. After unchecking accordingly, you are safe to click on the Remove Installation button to remove the installation.

That’s ALL!

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How to convert a dynamic cms website to a static website?

Using HTTrack we can convert any website to a static website

  • Download the open source tool from http://www.httrack.com/page/2/en/index.HTML
  • Choose the version compatible with your operating system.
  • Install and launch the application from your computer

How to Convert a WordPress Website to a Static HTML Website?

Using a WordPress Plugins

How to Convert a Drupal Website to a Static HTML Website?

Using Drupal module to export some or all of your site as static HTML.

 

———-
Upload your static pages to GitHub.

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HTTP 503 Service Unavailable Error

  • What’s the HTTP 503 Service Unavailable Error?
  • 503 Service Unavailable
  • 503 Service Temporarily Unavailable
  • HTTP Server Error 503
  • HTTP Error 503
  • Error 503 Service Unavailable
  • The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
  • Service unavailable 503 wordpress

Find some fixes below:

1. Temporarily Deactivate all WordPress Plugins: Rename the plugin folder and create an empty plugin folder.
2. Deactivate the WordPress Theme: Deactivate current Theme. Switch to default theme. You can edit database.

Click into the “wp_options” table, then click on the “Search” tab. You will want to search under the “option_name” for template.

3. Temporarily Disable Content Delivery Network (CDN)

4. Limit WordPress ‘Heartbeat’ API by adding following function to functions.php of your action theme.

add_action( 'init', 'stop_heartbeat', 1 );
function stop_heartbeat() {
wp_deregister_script('heartbeat');
}

5. Increase Your Server’s Resources

6. Review Your Logs and Enable WP_DEBUG