I got the package from Unity on Linux: Release Notes and Known Issues - Unity Engine - Unity Discussions
I tried to install on Ubuntu 16.10 and got:
rvntone@rvntone-Alienware-17-R3:~/Downloads$ sudo dpkg -i unity-editor-5.4.3f1+20161117_amd64.deb
Selecting previously unselected package unity-editor.
(Reading database … 322118 files and directories currently installed.)
Preparing to unpack unity-editor-5.4.3f1+20161117_amd64.deb …
Unpacking unity-editor (5.4.3f1) …
dpkg-deb (subprocess): cannot copy archive member from ‘unity-editor-5.4.3f1+20161117_amd64.deb’ to decompressor pipe: unexpected end of file or stream
dpkg-deb: error: subprocess paste returned error exit status 2
dpkg: error processing archive unity-editor-5.4.3f1+20161117_amd64.deb (–install):
cannot copy extracted data for ‘./opt/Unity/Editor/Data/PlaybackEngines/iOSSupport/Trampoline/Libraries/libiPhone-lib-il2cpp-dev.a’ to ‘/opt/Unity/Editor/Data/PlaybackEngines/iOSSupport/Trampoline/Libraries/libiPhone-lib-il2cpp-dev.a.dpkg-new’: unexpected end of file or stream
Errors were encountered while processing:
unity-editor-5.4.3f1+20161117_amd64.deb
The file sha is ok:
rvntone@rvntone-Alienware-17-R3:~/Downloads$ sha1sum unity-editor-5.4.3f1+20161117_amd64.deb
f8b441c5ef79ccfad21e62307af5096062a489e2 unity-editor-5.4.3f1+20161117_amd64.deb
And I tried to decompress manually:
rvntone@rvntone-Alienware-17-R3:~/Downloads/Unity$ dpkg -x …/unity-editor-5.4.3f1+20161117_amd64.deb ./
dpkg-deb (subprocess): cannot copy archive member from ‘…/unity-editor-5.4.3f1+20161117_amd64.deb’ to decompressor pipe: unexpected end of file or stream
tar: Unexpected EOF in archive
tar: Unexpected EOF in archive
tar: Error is not recoverable: exiting now
dpkg-deb: error: subprocess tar returned error exit status 2
The package is corrupt.
