I am using Magento ver and I have log settings enabled in admin panel, but when I delete the existing "log" dir and whenever I call log function like Mage::log(print_r($anyData, true),NULL, 'dataprint.log'); and then when I go to log directory, it shows message "You don't have permissions to view content of this folder" in ubuntu 14.04.

Is this permission/ownership issue ?

Previously this issue wasn't there, also other folders and files permissions are fine but i can't access log without everytime giving command "chmod 777" to var/log directory.

Also if I do not delete "var/log" folder and it's files and just clear out it's files's contents, even then when I try to make new entry into log files(by calling log function) it doesn't allow me too.

Can somebody help me out here ?

  • can you do ls -l and show us the permissions settings for that folder, also do whoami to check which user you are using
    – lloiacono
    Commented Jul 28, 2015 at 8:01

2 Answers 2


With the latest patch installed, file modes for newly created logs changed to 0640. See SUPEE-6285 broken down by Phillip Jackson.

So this is intended behaviour that you can overcome by e.g. changing modes, groups, or setting up ACL.

  • I checked, it is due to patches indeed, I saw in Mage.php file the permissions are as per patch breakdown, can you guide me on how to override "Mage.php" file ?
    – H.D.
    Commented Jul 28, 2015 at 9:12
  • No, don't touch this. Just add yourself to the webserver group as proposed by @lloiacono, keep on setting permissions after log creation or set up ACL.
    – mam08ixo
    Commented Jul 28, 2015 at 12:21
  • Setting permissions immediately after log creation is fine, but how setting ACL is gonna help me as ACL is applied in admin only, please explain in detail.
    – H.D.
    Commented Jul 29, 2015 at 5:21
  • Sorry, I should have been more precise. I was referring to filesystem ACLs.
    – mam08ixo
    Commented Jul 29, 2015 at 11:12

So you can check the folder permissions for var doing ls -l. There check which user owns the folder (probably www-data), then you can check which user you are currently using doing whoami, and also you can check which id -Gn you user is in by typing groups.

Finally you can add your user to www-data (or to whatever group the user that owns var belongs) like this:

sudo useradd -g www-data yourUser
  • The above command tried to create a user account. Instead I used sudo usermod -G www-data yourUser
    – Daniel P
    Commented Apr 11, 2017 at 8:15

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