[mythtv-users] Is it possible to install mythtv 0.27 on xubuntu 18.04?

[R. Ramesh]

> There is a PPA:
> https://launchpad.net/~mythbuntu/+archive/ubuntu/0.27 
> <https://launchpad.net/%7Emythbuntu/+archive/ubuntu/0.27>

Tried it already and that does not work

    windu [rramesh] 50 > sudo add-apt-repository ppa:mythbuntu/0.27
    [sudo] password for rramesh:

      More info: https://launchpad.net/~mythbuntu/+archive/ubuntu/0.27
    Press [ENTER] to continue or Ctrl-c to cancel adding it.

    Hit:1 http://us.archive.ubuntu.com/ubuntu bionic InRelease
    Get:2 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
    [88.7 kB]
    Ign:3 http://ppa.launchpad.net/mythbuntu/0.27/ubuntu bionic InRelease
    Get:4 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease
    [74.6 kB]
    Get:5 http://security.ubuntu.com/ubuntu bionic-security InRelease
    [83.2 kB]
    *Err:6 http://ppa.launchpad.net/mythbuntu/0.27/ubuntu bionic Release **
    **  404  Not Found [IP: 91.189.95.83 80]*
    Get:7 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64
    Packages [480 kB]
    Get:8 http://us.archive.ubuntu.com/ubuntu bionic-updates/main i386
    Packages [417 kB]
    Get:9 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe
    i386 Packages [700 kB]
    Get:10 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe
    amd64 Packages [708 kB]
    Reading package lists... Done
    E: The repository 'http://ppa.launchpad.net/mythbuntu/0.27/ubuntu
    bionic Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is
    therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user
    configuration details.

>
> If you're just downgrading a frontend, I'd suggest installing ppa-purge,
> purge the 0.29 ppa then add the 0.27 ppa and reinstall mythfrontend.
> https://askubuntu.com/questions/307/how-can-ppas-be-removed
Do not have anything installed as this is just a fresh 18.04 install.
>
> If you're downgrading a backend, you're going to have issues with the
> database.  Hopefully you have a backup of the 0.27 database before
> upgrading to 0.29.