libffi7 should also be available from the Ubuntu repositories. https://packages.ubuntu.com/hirsute/libffi7 -- Zach On 8/16/21 10:43 AM, Greg Couch wrote:

The problem with Ubuntu 21.04 is that the libffi7 is not available, so the dependencies are not met when you try to install ChimeraX. Right now the best solution is to install the Ubuntu 20.04 libffi7 package from http://archive.ubuntu.com/ubuntu/pool/main/libf/libffi/libffi7_3.3-4_amd64.d.... And then install the ChimeraX for Ubuntu 20.04.

To limit the variety of Ubuntu downloads, our policy is to only provide versions for the currently supported LTS releases.  So when Ubuntu 22.04 comes out, we will make a version for it.  And just noticed that Ubuntu 16.04's end of life was April 2021, with paid support through Apri 2024. So we will stop making Ubuntu 16.04 releases unless we have a commercial licensee that needs it.

    -- Greg

On 8/16/2021 9:13 AM, Zach Pearson via ChimeraX-users wrote:

...

Hi Jonas,

Can you share the text of the error?

Thanks,

Zach

August 16, 2021 7:39 AM, "jobiph via ChimeraX-users" <chimerax-users@cgl.ucsf.edu> wrote:

...

Dear all,

is the current version of Chimera for Ubuntu (20.04) compatible with the 21.04 Ubuntu release?

If i try to install the 20.04 version a weird dependency error pops up and I can't install the missing library because on the canonical website it states that this library is deprecated.

Thank you for your help and kind regards

Jonas

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