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Thread: best iso download style with error checking - opensuse leap 15.4 - firefox - kde

  1. #21
    Join Date
    Mar 2011
    Location
    Sauerland
    Posts
    7,230

    Default AW: best iso download style with error checking - opensuse leap 15.4 - firefox - kde

    gpg --verify Leap-15.4-DVD-x86_64-Media.iso.asc Leap-15.4-DVD-x86_64-Media.iso.sha256
    There is no downloadable Leap-15.4-DVD-x86_64-Media.iso.asc, only a Leap-15.4-DVD-x86_64-Media.iso.sha256.asc.

    You can verify the sha256 file with the asc and than the Iso File with the sha256. You can not verify the Iso file with the asc File.
    But that is not necessary, because you verify the sha256 and if here is no error you can use this file to verfiy the sha256sum of the Iso.

  2. #22
    Join Date
    Mar 2011
    Location
    Sauerland
    Posts
    7,230

    Default AW: best iso download style with error checking - opensuse leap 15.4 - firefox - kde

    All following commands should be executed as USER, not root.

    Download the ISO:
    Code:
    wget https://ftp.gwdg.de/pub/opensuse/distribution/leap/15.4/iso/openSUSE-Leap-15.4-DVD-x86_64-Media.iso
    --2022-07-10 09:48:23--  https://ftp.gwdg.de/pub/opensuse/distribution/leap/15.4/iso/openSUSE-Leap-15.4-DVD-x86_64-Media.iso
    Resolving ftp.gwdg.de (ftp.gwdg.de)... 134.76.12.6, 2001:638:60f:110::1:2
    Connecting to ftp.gwdg.de (ftp.gwdg.de)|134.76.12.6|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 4083154944 (3,8G) [application/octet-stream]
    Saving to: 'openSUSE-Leap-15.4-DVD-x86_64-Media.iso'
    
    openSUSE-Leap-15.4-DVD-x86_64-Media.iso              100%[=====================================================================================================================>]   3,80G  10,8MB/s    in 6m 23s  
    
    2022-07-10 09:54:46 (10,2 MB/s) - 'openSUSE-Leap-15.4-DVD-x86_64-Media.iso' saved [4083154944/4083154944]
    Download the sha256:
    Code:
    wget https://ftp.gwdg.de/pub/opensuse/distribution/leap/15.4/iso/openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256
    --2022-07-10 09:54:59--  https://ftp.gwdg.de/pub/opensuse/distribution/leap/15.4/iso/openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256
    Resolving ftp.gwdg.de (ftp.gwdg.de)... 134.76.12.6, 2001:638:60f:110::1:2
    Connecting to ftp.gwdg.de (ftp.gwdg.de)|134.76.12.6|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 105 [application/octet-stream]
    Saving to: 'openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256'
    
    openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256       100%[=====================================================================================================================>]     105  --.-KB/s    in 0s      
    
    2022-07-10 09:54:59 (15,3 MB/s) - 'openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256' saved [105/105]
    Download the asc:
    Code:
    wget https://ftp.gwdg.de/pub/opensuse/distribution/leap/15.4/iso/openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256.asc
    --2022-07-10 09:55:05--  https://ftp.gwdg.de/pub/opensuse/distribution/leap/15.4/iso/openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256.asc
    Resolving ftp.gwdg.de (ftp.gwdg.de)... 134.76.12.6, 2001:638:60f:110::1:2
    Connecting to ftp.gwdg.de (ftp.gwdg.de)|134.76.12.6|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 481 [application/octet-stream]
    Saving to: 'openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256.asc'
    
    openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256.asc   100%[=====================================================================================================================>]     481  --.-KB/s    in 0s      
    
    2022-07-10 09:55:06 (51,9 MB/s) - 'openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256.asc' saved [481/481]
    Add the openSUSE signing key:
    Code:
    gpg --keyserver pgp.mit.edu --recv-keys 0x22C07BA534178CD02EFE22AAB88B2FD43DBDC284
    gpg: key B88B2FD43DBDC284: "openSUSE Project Signing Key <opensuse@opensuse.org>" not changed
    gpg: Total number processed: 1
    gpg:              unchanged: 1
    (here it was added before)

    Verify the sha256 with the asc File:
    Code:
    gpg --verify openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256.asc openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256
    gpg: Signature made Mo 30 Mai 2022 19:05:44 CEST
    gpg:                using RSA key B88B2FD43DBDC284
    gpg: Good signature from "openSUSE Project Signing Key <opensuse@opensuse.org>" [unknown]
    gpg: WARNING: This key is not certified with a trusted signature!
    gpg:          There is no indication that the signature belongs to the owner.
    Primary key fingerprint: 22C0 7BA5 3417 8CD0 2EFE  22AA B88B 2FD4 3DBD C284
    Now verify the Iso for errors:
    Code:
    sha256sum -c openSUSE-Leap-15.4-DVD-x86_64-Media.iso.sha256
    openSUSE-Leap-15.4-DVD-x86_64-Media.iso: OK
    All is fine.....
    Last edited by Sauerland; 10-Jul-2022 at 01:04.

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