Cannot Install Plex Server Update 1.25 on Netgear ReadyNAS 516

Server Version#:1.25 : plexmediaserver_1.25.0.5220-de6e61df7_amd64.deb
Player Version#:

Takes a restart of the NAS to even initiate the upload, then after a few minutes get the error ‘Application plexmediaserver cannot be installed.’

If I attempt another upload after that, get the error immediately. The previous working version was deleted during the installation.
The version 1.11 that is in the Available apps (the ReadyNAS’s ‘App Store’) does install but is completely useless as it very old (the player requires 1.18 and later - BTW, why is it even there?!)

The NAS is running the latest 6.10.5 Hotfix 1 OS and hasn’t been updated in several months, and the previous version of the plexserver was running just fine on it.
Please help as the system is obviously totally unusable.


UPDATE: The previous non-Plex Pass version plexmediaserver_1.24.5.5173-8dcc73a59_amd64 installed after an unusually long 8 minutes.

All good, I guess…

UPDATE 2: Updated Netgear firmware to the latest 6.10.6. Now NONE of the versions (latest three) install. HELP!

UPDATE 2: Updated Netgear firmware to the latest 6.10.6. Now NONE of the versions (latest three) install. HELP!

Start-Date: 2021-11-22 23:28:10
Commandline: apt-get -yq install --reinstall --allow-downgrades -o APT::Status-Fd=5 /tmp/plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb
Install: plexmediaserver:amd64 (1.25.0.5246-cb2507e4d)
Error: Sub-process /usr/bin/dpkg returned an error code (1)
End-Date: 2021-11-22 23:28:11

Tried installing on my second backup NAS - same problem. plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb gives an immediate error,

Attempting to install the version I ever had any luck with (see above) plexmediaserver_1.24.5.5173-8dcc73a59_amd64.deb restarts the web interface requiring a new login, with the plexmediaserver app NOT installed.

It is pretty clear now that the installation has failed on TWO separate NAS’es that the problem is with plex, not ReadyNAS. Anyone?

FWIW, trying to install the .deb package from the command line gives the following errors:

root@Media:/TEMP# dpkg -i plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb

Selecting previously unselected package plexmediaserver.

dpkg: warning: files list file for package ‘libclamav9:amd64’ missing; assuming package has no files currently installed

(Reading database … 17277 files and directories currently installed.)

Preparing to unpack plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb …

Unpacking plexmediaserver (1.25.0.5246-cb2507e4d) …

dpkg-deb (subprocess): cannot copy archive member from ‘plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb’ to decompressor pipe: unexpected end of file or stream

dpkg-deb (subprocess): decompressing archive member: lzma error: unexpected end of input

dpkg-deb: error: subprocess returned error exit status 2

dpkg: error processing archive plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb (–install):

cannot copy extracted data for ‘./apps/plexmediaserver/Binaries/Plex Tuner Service’ to ‘/apps/plexmediaserver/Binaries/Plex Tuner Service.dpkg-new’: unexpected end of file or stream

Errors were encountered while processing:

plexmediaserver_1.25.0.5246-cb2507e4d_amd64.deb

The latest plexmediaserver_1.25.1.5286-34f965be8_amd64.deb installed fine. Thanks to whomever for silently fixing it.

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