Das Werkstatt

I don't rest:
I prepare.

I don't filter:
I analyze.

Correct. But wrong.

[QUESTION] The default hybrid modem/router supplied by Magenta (T-Mobile) in Austria is a Huawei HA35-22. On the back it has 2 external antenna connectors (SMA female) under a plastic cover. These connectors are neither shown nor mentioned in its user manual. Which signal would these antennas ampli...

[PROBLEM] My ~/xsession-errors file has grown to several gigabytes size, mostly flooded with the following message: vdpau_chroma filter error: [00007fc82c01c4e0] video mixer rendering failure: An invalid handle value was provided.vdpau_chroma filter error: video mixer attributes failure: An invalid...

[PROBLEM] Trying to start VLC from commandline to have its web-interface listen to a certain IP/port: $ vlc --intf http --http-host localhost:9090 (This is according to VLC's official HTTP-requests documentation for this) ...gives me the following error message: VLC media player 3.0.8 Vetinari (rev...

[PROBLEM] Running Doxygen on Debian 9 fails with an error message that says something like: dot: not found (I forgot to copy the original error message...) [SOLUTION] "dot" is an executable included in the GraphViz package (which seemed to be missing and not listed as dependency). So: $ a...

Here are some nice links with information about IPv6:

• Practical Networking for Linux Admins: Real IPv6 (linux.com)
• Practical Networking for Linux Admins: IPv4 and IPv6 LAN Addressing (linux.com)
• Test-IPv6.com
• IPv6 Range Blocks (MediaWiki Help)

# Verify all packages and show only errors: Remove the "-s" to get a verbose output that shows all package files that are okay too.

Links:
https://blog.sleeplessbeastie.eu/2015/0 ... -packages/

[PROBLEM] I try to open a website over SSH port-forwarded SSL , and get a reply but it's just some weird unicode blocks. The setup is as follows: Localhost: My local PC "Server1": My proxy server "Server2": 3rd party server, running https website - but restricted access to IP of...

For curren git build on (X)ubuntu 18.04 it's libsdl2: More discussion/infos at: https://stackoverflow.com/questions/204 ... ompilation

[PROBLEM] I've been using Thunderbird for I don't know, but about 20 years or so - and I think in total it crashed a handful of times in that duration. Wow. Recently however, after updating to v68.7.0 (Xubuntu 18.04.4) Thunderbird sometimes refuses to start, and I immediately only see the "Moz...

I usually have more than one drive in my computers. Every now and then I run into the weird behavior that when I want to remove but not delete (=send to trash/recycle bin) files or folders, it doesn't work: thunar-trash_not_found.png I'm forced to either let it be or remove it completely. This short...

I've encountered a case where increasing "-max_muxing_queue_size" up to 9999 didn't help. It was actually so that the audio stream seemed to be broken or contain no data? (not silence) It turned out that the DV camera original was already faulty. Trying to extract the source audio (just to...

[PROBLEM] With some files, I get the following error when transcoding from FFV1/PCM/MKV to H.264/AAC/MP4: Too many packets buffered for output stream 0:0 The original camera source was DV (PAL), then converted to FFV1/PCM/MKV. [SOLUTION] In most cases, adding the following argument solved the issue...

[PROBLEM] Fresh CollectiveAccess providence (v1.7.8) install on Debian9, PHP7.0 - getting the following error message when trying to initially access its folder for the first time: Fatal error: Uncaught Error: Class 'ApplicationException' not found in /var/www/html/providence/index.php:34 Stack tra...

[PROBLEM] I'm trying to install the "vlc" package on a fresh Xubuntu 18.04.4 setup, but get weird dependency errors: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impos...