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Thread: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

  1. #1
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    Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    Hello All,
    I'm having an issue where the source packages have not been updated to the same release version as the binaries through
    apt. This is on 17.10 server.


    I've had to download and compile the source package for samba, in order to apply a patch that resolves issue with 32-bit
    printer driver uploads. The problem is that the binaries available through apt have now appended a ".1" to the release
    packages and now the server is prompting me to upgrade these packages, so I figured I'd let it install and then download
    ed a supposedly fresh copy of the source so I can patch and compile. After compiling, when I install the .deb's created
    by the package build, dpkg reports that it is downgrading the release from the installed 3.1 to 3.


    I guess my question is, how long does it take for source packages to be updated to match the binary .deb versions?


    Best,
    guitardood

  2. #2
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

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  3. #3
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    Quote Originally Posted by guitardood2 View Post
    how long does it take for source packages to be updated to match the binary .deb versions?
    The question makes no sense.
    Sources are updated first. That's how the updated binary gets made.

    If you can point to a specific package, bug, and/or version, perhaps we can help you better.

  4. #4
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    Quote Originally Posted by ian-weisser View Post
    The question makes no sense.
    Sources are updated first. That's how the updated binary gets made.

    If you can point to a specific package, bug, and/or version, perhaps we can help you better.
    Samba. Source is: samba_4.6.7+dfsg-1ubuntu3. After installing the version I built from the source package, apt wants to upgrade it to samba_4.6.7+dfsg-1ubuntu3.1.


    Best,
    Guitardood

  5. #5
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    First thing you need to know is that after release (like 17.10), Ubuntu DOES NOT update the code. No new releases of LibreOffice or Openshot or Samba during 17.10's life.
    The security team (and the SRU developers) will do exactly what you did - patch the 4.6.7 code. Then they increment the `ubuntuX.Y` string at the end of the version string from 3 to 3.1.
    Apt reads the changed version string, and treat it (properly) as an upgrade.

    It's generally considered a bad idea to fix or game the version number system. It leads to all kinds of trouble.
    You can simply tell apt to not upgrade samba anymore:
    Code:
    sudo apt-mark hold samba          //today
    sudo apt-mark unhold samba        //someday, to remove the hold
    See 'man apt-mark'
    Last edited by ian-weisser; December 22nd, 2017 at 01:52 AM.

  6. #6
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    Quote Originally Posted by ian-weisser View Post
    First thing you need to know is that after release (like 17.10), Ubuntu DOES NOT update the code. No new releases of LibreOffice or Openshot or Samba during 17.10's life.
    The security team (and the SRU developers) will do exactly what you did - patch the 4.6.7 code. Then they increment the `ubuntuX.Y` string at the end of the version string from 3 to 3.1.
    Apt reads the changed version string, and treat it (properly) as an upgrade.

    It's generally considered a bad idea to fix or game the version number system. It leads to all kinds of trouble.
    You can simply tell apt to not upgrade samba anymore:
    Code:
    sudo apt-mark hold samba          //today
    sudo apt-mark unhold samba        //someday, to remove the hold
    See 'man apt-mark'
    Thanks for the info.

    I didn't change anything version-wise, just downloaded source with 'apt-get source samba', applied the patch to the source to resolve 32-bit printer driver issues, ran dpkg-buildpackage and then installed the created .debs with dpkg. After I install my patched .debs, apt-get dist-upgrade wants to "upgrade" all of the samba packages. The 3.1 is coming from apt binary release, despite the source package only being 3. Perhaps I'm not understanding where the .1 comes from. I was hoping to not have to use the 'hold' feature so that I'd be notified when any patches have been made and I figured I'd download the source and recompile whenever apt notified me that there was a new release, just to keep my patched release current.

    Best,
    Guitardood

  7. #7
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    The .1 comes from the Ubuntu Security Team.
    Apt does not have a 'notification-only' function.

  8. #8
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    Quote Originally Posted by ian-weisser View Post
    Apt does not have a 'notification-only' function.
    Sure it does. Not an explicit 'notification-only' function, per se, but I do an 'apt-get dist-upgrade', see what packages it wants to upgrade and then answer 'N'o.


    Quote Originally Posted by ian-weisser View Post
    The .1 comes from the Ubuntu Security Team.
    So does this mean that the downloaded source package is NOT the same release as the binaries provided by the Security Team? I don't mean to be obtuse, but there is a version discrepancy. If I download source through apt, make NO changes and rebuild, I should, theoretically, have the same binaries as those being distributed by the package manager, No? If the security team is modifying versions, I'm assuming they are modifying the code as well. That being the case, where do we obtain the source being used to compile the distributed binaries?

    Best,
    Guitardood

  9. #9
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    Good question:

    version ubuntu3 source is in the artful repos.
    version ubuntu3.1 source is in the artful-security repos.

  10. #10
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    Re: Ubuntu Server 17.10 - Package Sources Older Than Release Packages

    SOLUTION:
    Quote Originally Posted by ian-weisser View Post
    Good question:

    version ubuntu3 source is in the artful repos.
    version ubuntu3.1 source is in the artful-security repos.
    Ahhhhh. Repos uncommented, source compiling as we speak.

    Thank You!!

    Best,
    Guitardood

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