inventor84

I should have been more detailed before, someone else could benefit from it!

I viewed my ‘PRESSPI’ RaspberryPi machine under ‘Network’ in Windows explorer – navigated to WordPress/wp-includes/functions.php
– right clicked functions.php file
– selected ‘properties’
– selected ‘security’ tab
– In ‘Group or user names’ box I selected ‘Everyone’ then clicked the Edit button
– Then selected check marks next to:
— Read & Execute
— Read
— Write
— Special permissions
(I did this process in the Edit box again for the ‘Group or user name’ called root(Unix Group\root) as well. The one called root(Unix User\root) already had all the same boxes checked.)

– Clicked Apply and ‘OKed’ through the two windows.

After that, I went to my WordPress dashboard in my web browser and was able to update my WordPress to 4.9.1 through the dashboard ?? ??

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An interesting note to the permissions granted in windows explorer..When I went through this process again just now after having completed the WordPress update as mentioned above, the extra permissions I had check marked for ‘Everyone’ and ‘root(Unix Group\root)’ are now unchecked. Only root(Unix User\root) has all of the read/execute, write, special permissions boxes checked still.
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• This reply was modified 7 years, 2 months ago by inventor84.

Thank you Neil and RossMitchell for your responses.

@rossmitchell – I will definitely keep the manual update method in mind if needed.
@neil – Thank you for your fast response and specific links. I did see those links before posting here and I see what you mean they referenced a different problem file than my error message. I have solved the issue, but it is a little bit of a strange situation how I did it.

I am using the PressPi raspberryPi image to run my wordpress site. I am not too experienced with command lines in the Pi, but have managed what I needed up to now.
My WordPress files, such as files in wp-includes, are easily visible in windows file explorer on ‘network’, but I could never find them using FTP program such as FileZilla.

The fix came from right clicking on the functions.php file and changing the permissions to get auto update in WordPress to run.