Archives: 'Field-tested'

SCHAPPY — 3. September 2021, 12:07

Solved: opendmarc-import stops working after Debian buster upgrade

Issue: After upgrade to Debian buster opendmarc-import reports errors during import of the history file. Even a re-creation of the database schema did not solve the issue, requests table remains empty. Reason: Debian buster bundles a beta version, which is using uninitialized variables, e.g. $request_id. Solution: Please apply the attached patch file, which was derived from […]

SCHAPPY — 22. January 2020, 9:43

Solved: /etc/cron.daily/spamassassin: Wide character in print at /usr/bin/sa-compile line 433

Issue: When using spamassassin 3.4.2 in combination with Heinlein filter rules, you might encounter once a day  messages from running the spamassassin cronjob as follows. Wide character in print at /usr/bin/sa-compile line 433, <$fh> line 2757. Wide character in print at /usr/bin/sa-compile line 433, <$fh> line 3260. Reason: Some of the Heinlein rules in contain UTF-8 […]

SCHAPPY — 8. July 2019, 12:49

Solved: Debian 10 (buster): Upgrade MariaDB from version 10.1 to version 10.3

Issue: After upgrading Debian, you will have to remove the old version of MariaDB and install the new one (semi-manual). After installation of MariaDB 10.3 it fails to start and mysql.error log does not contain helpful hints. /etc/init.d/mysql start [….] Starting mysql (via systemctl): mysql.serviceJob for mariadb.service failed because the control process exited with error code. […]

SCHAPPY — 22. May 2019, 11:29

How to recruit good experts?

While investigating some HTTP header fields, I stumbled across the “X-hacker” containing a job posting. Inspiring idea.

SCHAPPY — 18. June 2018, 20:00

Generic alternative for WMF2EPS in Windows 10

With Windows 10 WMF2EPS was no longer working for me due to some strange errors installing the printer driver. Therefore, I came up with the following alternative using more or less native Windows essentials. Install any PS printer, e.g. Universal HP PS Driver, and name it “EPS printer”. Configure printer to print to file (menu […]

SCHAPPY — 30. January 2018, 18:21

[SOLVED] Samsung TV channel list cannot be imported due to invalid country code (UExxD6xxx) 6 Series

Issue Trying to import a channel list to a Samsung TV (re-imported) from other country. In my case, I tried to import the German channel list to a UE46D6540 non-German version. Copying the SCM file to an USB stick and trying to import it to the TV results in error message indicating that the corresponding […]

SCHAPPY — 30. November 2016, 17:24

RAM Disk for Mac OS X Sierra (10.12.) and High Sierra (10.13.)

As Apple announced that StartupItems are not longer supported, please find attached an updated version of the RamDisk script of Philipp Klaus making use of the launchctl. Install Download the code and store it in a file, e.g. ~/ Make the file executable, e.g. chmod +x ~/ Execute the file to install the launch daemon […]

SCHAPPY — 13. July 2015, 12:15

[Fixed] Photos from are not synced through iTunes

Issue: After migration from to in Mac OS X Yosemite 10.10.4, photos are no longer synced to mobile Apple devices, e.g. iPod, iPad, iPhone, through iTunes 12.2.0. Solution: Quit any running iTunes instances Open (look into /Applications/ Quit iPhoto, which results in updating the photo library Open Preferences -> General: Click […]

SCHAPPY — 21. May 2015, 11:14

[FIXED] After dist-upgrade from wheezy to jessie php scripts are not executed anymore

Situation: I upgraded a debian distribution wheezy to jessie with no significant issues. After upgrading I experienced that some of the already installed and formerly working php scripts stopped working. Content of some included php scripts, e.g. wordpress configuration, were printed as HTML content instead of being evaluated. Reason: The updated php.ini disables short open tags […]

SCHAPPY — 17. January 2014, 13:46

[FIXED] Google Drive Update Version 1.13.5782.0599 get stuck on Mac OSX Maverick 10.9.2

Problem: Google Drive asks to perform a update. When clicking update there is no prompt or action. Solution: Quit running Google Drive processes Open and execute the following command (replace 10.9.2 by your currently running OSX version, you can find it in the “About this Mac” menu): /Applications/Google\\ Drive –overlays_enabled_finder_versions=”10.9.2″ Google Drive will […]