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8 results for tags compression x
  • I use Zip Bombs to Protect my Server
    dd if=/dev/zero bs=1G count=10 | gzip -c > 10GB.gz

    Here is what the command does:

       dd: The dd command is used to copy or convert data.
       if: Input file, specifies /dev/zero a special file that produces an infinite stream of zero bytes.
       bs: block size, sets the block size to 1 gigabyte (1G), meaning dd will read and write data in chunks of 1 GB at a time.
       count=10: This tells dd to process 10 blocks, each 1 GB in size. So, this will generate 10 GB of zeroed data.

    We then pass the output of the command to gzip which will compress the output into the file 10GB.gz. The resulting file is 10MB in this case.
    Wed Apr 30 07:15:39 2025 - permalink -
    - https://idiallo.com/blog/zipbomb-protection
    admin anubis compression security zip
  • Reduce PNG Size - Compress Images Without Losing Quality
    Mon Mar 10 14:37:50 2025 - permalink -
    - https://reducepngsize.com/
    compression image outils-web
  • Comparatif des paramètres d'encodage vidéo — Rogue One: A Star Wars Story
    Wed Feb 5 10:33:09 2025 - permalink -
    - https://static.vuilleumier.tv/comparisons/encoding/rogue-one/
    codec compression h.264 outils vidéos
  • Astuce avec zstd - Liens en vrac de sebsauvage
    zstd --adapt
    Tue Jun 4 11:55:27 2024 - permalink -
    - https://sebsauvage.net/links/?LrAVgg
    compression
  • Cyan4973 (Yann Collet) · GitHub
    Thu May 30 16:02:39 2024 - permalink -
    - https://github.com/Cyan4973
    compression
  • Zstandard - Real-time data compression algorithm
    Thu May 30 15:50:21 2024 - permalink -
    - https://facebook.github.io/zstd/
    compression
  • lzbench compression results for silesia/webster on desktop
    LZ4
    +rapide comp et decomp

    ZSTD
    meilleur ratio

    ZLIB Gzip
    + faible utilisation mémoire / meilleure compatibilité

    LZ4
    410mb/s comp
    2.56Gb/s decomp
    ratio 2

    ZSTD 1
    260mb/s comp
    836mb/s decomp
    ratio 3

    LZ4hc 12
    13.83mb/s comp
    2.25Gb/s decomp
    ratio 3

    zstd 19
    2.39mb/s comp
    811mb/s decomp
    ratio 4.64

    ZLIB (GZIP) 3
    61mb/s comp
    334mb/s decomp
    ratio 3
    Thu May 30 12:10:27 2024 - permalink -
    - https://morotti.github.io/lzbench-web/?dataset=silesia/webster&machine=desktop
    compression
  • Compression : Non, zstd n'est pas une "silver bullet" - Liens en vrac de sebsauvage
    Fri Mar 3 14:26:45 2023 - permalink -
    - https://sebsauvage.net/links/?oIPVbg
    admin compression linux
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