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skip to content who took the 'we' out of weblog? quicksearch navigation archive imprint login bits how to copy a dvd posted by christian on saturday, march 3. 2018 the other day my neighbor came over and asked me if it was possible to make a copy of a dvd , and then burn the copy to a blank dvd, so that it can be played in a dvd player . i rarely use dvds and my current computer doesn't even have a dvd drive anymore, so i used an older macbook pro for this task. looking back, the easiest way to do this would be to get a copy of the movie from dvd somewhere else and then find out how to make a playable dvd out of it, but why not go the whole way and find out about the extraction part as well? dvd ripping the proper term here seems to be ripping and in the past i sometimes used the wonderful handbrake to do just that. handbrake can then convert the ripped copy to other formats, but we're not quite there yet. usually it was sufficient to play a dvd once with vlc which would then use libdvdcss to store the css key in ~/.dvdcss , in turn allowing handbrake to decrypt the same, which is essential for the rip to complete. and while this worked before tm , this time the resulting video was all distorted and felt like watching an old, mangled vhs tape , so something wasn't right. the internet was full of similar reports and suggestions too, the main theme being "just install libdvdcss to the correct location for handbrake to find and it should just work". well, instead of just relying on vlc to do the decryption once, i did install libdvdcss via homebrew , hoping that handbrake will be able to find it: $ otool -l /usr/local/lib/libdvdcss.dylib /usr/local/lib/libdvdcss.dylib: /usr/local/opt/libdvdcss/lib/libdvdcss.2.dylib (compatibility version 5.0.0, current version 5.0.0) /system/library/frameworks/corefoundation.framework/versions/a/corefoundation (compatibility version 150.0.0, current version 1259.20.0) /system/library/frameworks/iokit.framework/versions/a/iokit (compatibility version 1.0.0, current version 275.0.0) /usr/lib/libsystem.b.dylib (compatibility version 1.0.0, current version 1226.10.1) and lo and behold, handbrake did find the library, but then would crash reliably when trying to open the dvd. bummer. and only the closing comment in the same bug report shed some light on this, suggesting that 1) libdvdcss is not recommended anyway and 2) another tool named "makemkv" would help here. and off we are, still trying to complete the dvd ripping part, when we could have just downloaded the movie from somewhere else :-) luckily makemkv really did the trick and was easy enough to use, and offers a 30 60 day trial version, which is just fine for this one-off experiment. dvd creation makemkv produced a ~3 gb file ( mpeg-2 video, ac3 audio) which now needed to be converted into the dvd-video format and finally burned onto a blank dvd-r . i had burn installed on this mac, and while it is able to burn dvd-video , it wouldn't understand the .mkv container format. the interwebs are full of recommendations for something called "iskysoft dvd creator", which is offered from so many shady looking websites, and under so many different alternate names that it's hard to not suspect something sinister. at least on first sight, the image does not present itself as malware, so maybe it's safe enough to try? after removing my tin foil hat and installing, this dvd creator was indeed able to parse the .mkv file and burn a dvd-video disc in the correct format . but, as i was using the trial version , the whole movie was overlayed with a huge visible watermark. lacking official documentation regarding this fact, i should have suspected for this to happen. hm, so...what else is out there? digging through the homebrew-cask database i found dvdstyler , which should be up to the task as well. and it's released as open source software , cool beans! the dvdstyler interface felt a bit awkward, but never look a gift horse in the mouth (i can't believe that this is a real proverb in the english language!) and a few mouse clicks and a coffee later, a dvd-video copy was produced. yay! next time i must remember to direct my neighbor to the next video-on-demand platform instead of ever fumbling with dvd copies again :-) categories: bits | 0 comments -- signal desktop on fedora posted by christian on thursday, december 28. 2017 signal desktop has been released some time ago and while a native application may have its advantages, it also needs time and effort until it will be available for other platforms . binary installation the install routine for "debian-based linux" instructs us to do the following: > curl -s https://updates.signal.org/desktop/apt/keys.asc | sudo apt-key add - > $ echo "deb [arch=amd64] https://updates.signal.org/desktop/apt xenial main" | \ > sudo tee -a /etc/apt/sources.list.d/signal-xenial.list > $ sudo apt update && sudo apt install signal-desktop with only a fedora distribution around, we could of course use alien to install the package, but: $ sudo dnf install alien [...] transaction summary =============================== install 70 packages ....let's not and instead do this manually. luckily, their download directory structure adhers to the debian repository format , so with a bit of fiddling we can produce the necessary urls: $ curl -slo https://updates.signal.org/desktop/apt /dists/ xenial /inrelease $ gpg --recv-keys d980a17457f6fb06 $ gpg --verify inrelease gpg: signature made wed 20 dec 2017 11:43:08 am pst gpg: using rsa key d980a17457f6fb06 gpg: good signature from "open whisper systems " [unknown] primary key fingerprint: dba3 6b51 81d0 c816 f630 e889 d980 a174 57f6 fb06 the inrelease is signed and contains checksums to the packages file: $ curl -slo https://updates.signal.org/desktop/apt/dists/xenial/main/binary-amd64/packages $ sha256sum packages 121c0e796cef911240bb39b6d5ebed747202e9be8261808ecbf3fc4641da9e7b packages $ grep 121c0e796cef911240bb39b6d5ebed747202e9be8261808ecbf3fc4641da9e7b inrelease 121c0e796cef911240bb39b6d5ebed747202e9be8261808ecbf3fc4641da9e7b 2578 main/binary-amd64/packages let's look at the packages file for the actual packages available for download: $ egrep '^(package|sha256|file|$)' packages package: signal-desktop filename: pool/main/s/signal-desktop/signal-desktop_1.1.0_amd64.deb sha256: 74ee408fa5c7047b1f2a7faa2a9fe0d5947f7f960bd7776636705af69a6b1eec package: signal-desktop filename: pool/main/s/signal-desktop/signal-desktop_1.0.41_amd64.deb sha256: 9cf87647e21bbe0c1b81e66f88832fe2ec7e868bf594413eb96f0bf3633a3f25 package: signal-desktop-beta filename: pool/main/s/signal-desktop-beta/signal-desktop-beta_1.1.0-beta.6_amd64.deb sha256: a38eb35001618019affba7df4e54ccbb36581d232876e0f1af9622970b38aa12 we decide to use the signal-desktop-beta and continue: $ curl -slo https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop-beta/signal-desktop-beta_1.1.0-beta.6_amd64.deb $ sha256sum signal-desktop-beta_1.1.0-beta.6_amd64.deb a38eb35001618019affba7df4e54ccbb36581d232876e0f1af9622970b38aa12 signal-desktop-beta_1.1.0-beta.6_amd64.deb to extract the package, we'll need the dpkg package: $ sudo dnf install dpkg $ dpkg -x signal-desktop-beta_1.1.0-beta.6_amd64.deb deb check if all libraries are installed: $ ldd deb/opt/signal\ beta/signal-desktop-beta | grep not looks good - let's "install" the package in /opt now: sudo mv deb/opt/signal\ beta /opt/ sudo chown -r root:root /opt/signal\ beta/ sudo ln -s /opt/signal\ beta/signal-desktop-beta /usr/local/bin/signal-desktop-beta create desktop shortcut and icons: mv deb/usr/share/applications/signal-desktop-beta.desktop ~/.local/share/applications/signal-desktop-beta.desktop rsync -av deb/usr/share/icons/hicolor/ ~/.local/share/icons/hicolor/ the .desktop file should contain something like this: $ cat ~/.local/share/applications/signal-desktop-beta.desktop [desktop entry] name=signal desktop beta comment=private messaging from your desktop exec="/opt/signal

URL analysis for nerdbynature.de

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Whois Information

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% administrative requirements associated with the operation of the Internet.
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Domain: nerdbynature.de
Nserver: ns10.schlund.de
Nserver: ns9.schlund.de
Status: connect
Changed: 2008-08-24T00:53:18+02:00

[Tech-C]
Type: ROLE
Name: Hostmaster EINSUNDEINS
Organisation: 1&1 Internet AG
Address: Brauerstr. 48
PostalCode: 76135
City: Karlsruhe
CountryCode: DE
Phone: +49.7219600
Fax: +49.72191374248
Email: [email protected]
Changed: 2017-02-27T10:05:56+01:00

[Zone-C]
Type: ROLE
Name: Hostmaster EINSUNDEINS
Organisation: 1&1 Internet AG
Address: Brauerstr. 48
PostalCode: 76135
City: Karlsruhe
CountryCode: DE
Phone: +49.7219600
Fax: +49.72191374248
Email: [email protected]
Changed: 2017-02-27T10:05:56+01:00

  REGISTRAR DENIC eG

  REFERRER http://www.denic.de/

SERVERS

  SERVER de.whois-servers.net

  ARGS -T dn,ace nerdbynature.de

  PORT 43

  TYPE domain

DOMAIN

  NAME nerdbynature.de

NSERVER

  NS10.SCHLUND.DE 217.160.81.135

  NS9.SCHLUND.DE 217.160.80.135

  STATUS connect

  CHANGED 2017-02-27

TECH

  NAME Hostmaster EINSUNDEINS

  ORGANIZATION 1&1 Internet AG

ADDRESS

STREET
Brauerstr. 48

  PCODE 76135

  CITY Karlsruhe

  COUNTRY DE

  PHONE +49.7219600

  FAX +49.72191374248

  EMAIL [email protected]

ZONE

  NAME Hostmaster EINSUNDEINS

  ORGANIZATION 1&1 Internet AG

ADDRESS

STREET
Brauerstr. 48

  PCODE 76135

  CITY Karlsruhe

  COUNTRY DE

  PHONE +49.7219600

  FAX +49.72191374248

  EMAIL [email protected]

  REGISTERED yes

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