Category Archives: Web

Web: ownCloud Transactional file locking should be configured

Getting the following notice from your ownCloud administrator account setting page? Transactional file locking should be configured ownCloud have the capability of managing file/folder locking on its own, on top of the filesystem. This is a must-have feature especially for large, busy, multi-users servers, and especially when users use their account on multiple devices. You… Read More »

Web : ImagickException: attempt to perform an operation not allowed by the security policy `PDF’

After updating ImageMagick to version 6.9.10.23+ from an earlier version, the following behavior occur : Thumbnails generation from PDF, XPS, PS, and EPS does not work anymore The following output can be found in the Web server error log :

This is due to the addition of a policy in the newer version that… Read More »

Web : How to password protect a Web directory with htaccess

If for any particular reason you need to password protect a Web directory, on an Apache Web server using htaccess, here are steps below : 1. If not already existing, create a file name “.htaccess” at the root of the folder you want to protect :

2. Make sure it is readable by the… Read More »

Category: Web

Linux : Export Roundcube webmail contact from SQL to CSV

Here is a procedure how to export the saved address book contacts from Roundcube webmail directly from the MySQL database to a CSV file (please note that Roundcube natively support exporting contacts from the Webmail itself to CSV – this method is only in case you want to pull out old contacts from a database).… Read More »

Web : SSL error NET::ERR_CERT_SYMANTEC_LEGACY

Since April 2018, I have noticed the following SSL error with Google Chrome and Safari’s latest versions : NET::ERR_CERT_SYMANTEC_LEGACY All Symantec SSL/TLS certificates issued prior June 1st 2016 will output this warning from now on since the latest updates. Web user, nothing is wrong on your side, the site owner must re-issue his certificate, even… Read More »

Web : Updating ownCloud to version 8.1.9 was unsuccessful

Using ownCloud repo and encountered the following error while upgrading to version 8.1.9? Updating ownCloud to version 8.1.9, this may take a while. Set log level to debug – current level: “Warning” Turned on maintenance mode Checked database schema update Checked database schema update for apps Updated database Exception: App can’t be installed because it… Read More »

Category: Web