Category Archives: Linux Tips

WordPress Permissions Update Error

When trying to upgrade WordPress on one of my sites I kept on getting the following error:

“The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.: wp-admin/includes/update-core.php”

I found the answer on the following page:

To fix the problem I ran the following two commands:

sudo find /path/to/site/ -type f -exec chmod 664 {} \;

sudo find /path/to/site/ -type d -exec chmod 775 {} \;


In addition, the user and group must be set what Apache is running under.  On my Ubuntu servers that is www-data:www-data and the command, run from the root of the website (usually the wordpress directory) is:

sudo chown -R www-data:www-data {.,}*




Using the Emergency Password Reset Script

This is an emergency script to use when you have forgotten the admin password to your WordPress website and all other methods of trying to reset it have failed.  I have copied this from: so that we’ll have a copy of this useful tool, even if the originally page is removed.   Continue Reading

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