Kurt Keller's Blog

tech notes and more

MySQL/MariaDB Database Move

I have a strictly internal database server running MariaDB v10.5.20 on Fedora 38. This is an old installation and has not been updated in a long time. Both, the DB and Fedora have moved a few versions up. So finally I’m moving to MariaDB v10.11.11 on Fedora 42. Since I have daily dumps of all […]

remove EXIF data from photos

Current digital cameras add all kind of data to each picture taken in JPEG format. Some of it may actually be useful, such as Orientation, which helps to automatically display the picture in the proper orientation (portrait or landscape). But much of the information

decode winmail.dat attachments

Some windows users have their email client configured to send all attachments (and alternate versions of the email itself) in a Microsoft proprietary format called TNEF. This causes all attachments to be combined in a single attachment with the name winmail.dat. Unfortunately only Microsoft Exchange/Outlook users can use such attachments. So what to do? Ask […]