Wordpress Plugin Installation - Failed to connect to FTP Server - Safest Solution?

Question

I succesfully set up a VPS LEMP-stack with Wordpress. When I am trying to install plugins from the WP backend, I am prompted with the following message:

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Answer 1

For me it was bitnami related settings issue. This post helped me. There could be multiple reason:

• Permission issue on the files and folders.
• The FS_METHOD should be "direct" in wp-config.php file.
• Remove FTP configuration from wp-config.php if you are migrating from bitnami to manage it on your own.