WordPress - plugin upgrade requesting "Connection Information"

This common error happens normally after a WordPress version upgrade. Upon upgrade of plugins, which normally we click on the "upgrade automatically" link on the plugins page, it prompt for "connection information" (with another line of "To performed the requested action, connection information is required.") with "hostname", "username", "password" & "Connection Type" required.

This issue is caused by certain wordpress essentials files or directory are not accessible by WordPress.

Correct the permission by changing the ownership of the files and folders to the web server owner.

chown -R www:www wp-includes wp-admin wp-content

The web server owner can be find out using :
ps aux | grep -i http
ps aux | grep -i apache

Voilla !!!

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