Fix Zotero Connector importing from ACM Digital Library

Zotero is a great tool and simplified my life as researcher a lot (thanks for that!]), especially in connection with the Zotero Connector. However, recently, it failed to import articles from the ACM Digital Library. After some search and some experiments, I worked out a solution to fix this: In the settings of the browser plugin (so right click on the logo in the right upper corner of your browser address line), you should Reset Translators, as shown in the image: I don’t know why, but additionally you need to set in the advanced options reportTranslationFailure to true: Hope that helps…

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HowTo enable 1Password app to browser connection with Vivaldi

I use 1Password and KeePassXC as password managers (and can recommend both!). Recently, I needed to overcome an issue blocking the 1Password browser plugin from connecting with the 1Password app. As it turned out, the connection was blocked from the 1Password app, because the browser I was using (vivaldi) is not in the official-supported list of 1Password. Since Vivaldi is “more or less” Chromium, it should work nevertheless. After some search, I found the solution here.

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Honza chodec, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons

HowTo export e-book annotations from Kobo eReaders (on Linux)

Reading is one of my big hobbies. And in the meantime, I also read non-fiction and scientific literature on my Kobo eReader. For me, one important part of reading and learning from non-fiction books is to make annotations. Kobo supports making highlights and annotations in ebooks. But the question is now, how to get them from the eReader for further usage or processing (and of course, on a Linux machine)?

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Signal Logo

Update: HowTo build Signal desktop on openSUSE Tumbleweed

This is an update to my previous blog post in 2019. I use, among others, the Signal App as messenger. Of course, I also want to use the advantages of running a client also on my Laptop with my current distribution openSUSE Tumbleweed. However, the Signal foundation does only provide packages for Ubuntu-based systems, so I need to build it by myself. Due to permanent updates of the app, I’ve to rebuild it once in a while…and here is how:

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GRUB boot loader

Manual booting linux with LVM (and fixing grub)

Just a short notice, so that I know it if I need it again…and others could find it. Recently, upgrading a VM to Debian 10 resulted in a broken bootloader. The error message was: symbol ‘grub_calloc’ not found And the grub resuce shell did prompt. Manual boot with an LVM file system The VM was patitioned using a LVM (Locigal Volume Manager) setup. Hence, the default root partition is not just /dev/sda or so.

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RPLS Reverse Engineering

Recover video recordings from Panasonic DVR based on MEIHDFS, BDAV, and RPLS

Therefore, go home to your villages and repair the IT of your families! (Jesus, never) Despite all circumstances, I managed to visit my family this Christmas. And to some extend, it is tradition that I use some of the time at home to repair/update/replace some IT devices of my family. This year however, I had a special challenge: Copy the recordings of the family camcorder, that were transferred to the external HDD of a Panasonic DVR to a usual PC.

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OpenSuse Tumbleweed

HowTo build Displaylink driver for OpenSuse Tumbleweed with latest kernel

New laptop, new dock, latest software…great, isn’t it? I always like those “fresh starts” with new hardware and a new setup. Not only because you have cool new hardware, but also, because it’s a possibility to cut off old pigtails. And, you then have best performance and security with latest software… Well, if there wouldn’t be commercial software for hardware drivers. Preamble / The source of the Problem: DisplayLink With my new ThinkPad, I’m using a USB-C dock and therefore planned to connect my external monitors to this dock.

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Bourne Again SHell

SOCKS proxy using ssh (with i3 integration)

From time to time, thanks to geoblocking or IP address based authorization, you need to access websites through a proxy. If you have access to a machine that would have the right address range or region, an easy and straightforward way is to use ssh: $ ssh -N -D 8180 <desired_machine> & i3 integration If you need this proxy more frequently and you want to have the status of the proxy connection displayed in your i3-status line (from the window manager i3wm), then you can integrate the proxy with the following scripts:

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Bourne Again SHell

Search files with grep

In a programmers live, you need a recursive file search nearly every day. Of course, this is possible without a heavy IDE and with a simple but useful bash one liner: $ grep "pattern" -HniR ./path/to/dir The options in detail: H printing the filename of the match n print also the line number i for a case *in*sensitive search R for recursive Of course, this can also be combined with grep regular expressions.

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Signal Logo

HowTo build Signal Desktop on OpenSuse/Fedora/CentOS

I use, among others, the Signal App as messenger. Of course, I also want to use the advantages of running a client also on my OpenSuse-based Laptop. Sadly, Open Whisper Systems does only provide packages for Ubuntu-based systems…so I need to build it by myself. Following the build instructions for developers, the build will fail due to some incompatibilities in the dependencies (see e.g. here). Due to permanent updates of the app, I’ve to rebuild it once in a while…and here is how:

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