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[erviv]

I ran the usual programs to update  MC on my pi's.  It showed that MC ver 55 was selected, but when I checked the version of MC after reboot it was still at version 48.
Now when I run sudo apt-get update it shows nothing to update. Did I miss something?

[HaWi]

Sorry, I know it's no help but the update to .55 went without hitch on my Pi4/Buster so it's probably not a universal issue.

[Zhillsguy]

Mine goes through all the motions for updating normally and indicates version 48 afterward as well. Using pi os 32bit.

edit: I also tried the package install file directly and it did not work, still at 48.

[erviv]

Interesting it works for some and not others.
Can someone indicate how to rollback a version of MC?
I have done it on my Mac but don’t know how I would do it in raspbian buster. I would like to rollback to an earlier version than 48 and try to update again, and see if I get different results.

[JimH]

Just install the older version.

[erviv]

Jim it’s probably as simple as you say, however I don’t know how to “install an older version”. My usual way of installing is via apt-get update, this obviously only updates to the latest version, as no where do I specify a specific version. Could you point me in the correct direction?
Thanks

[erviv]

Ok so I figured out how to install an earlier version of MC.  It turns out it is quite simple.  Select and download an earlier version from this forum.  Then double click the downloaded file and done. So I downloaded and installed version 42.
Here is what I get after running 'apt-get update', and 'apt-get -a -upgradable'
Listing... Done
mediacenter28/unknown 28.0.55-armhf armhf [upgradable from: 28.0.42-armhf]
mediacenter28/now 28.0.42-armhf armhf [installed,upgradable to: 28.0.55-armhf]
 And while running 'apt-get upgrade'
Preparing to unpack .../mediacenter28_28.0.55-armhf_armhf.deb ...
Unpacking mediacenter28 (28.0.55-armhf) over (28.0.42-armhf) ...
Setting up mediacenter28 (28.0.55-armhf) ...

Looking good so far. Goes through as before without any errors.
Yet when I reboot and open JRiver and check Help about for the version I still get the response Media Center 28.0.48 (32 bit).
So no improvement. 

[erviv]

Sorry, I know it's no help but the update to .55 went without hitch on my Pi4/Buster so it's probably not a universal issue.

HaWi, my install went through without any issues except that the version still shows as 48. Just to check did you confirm that MC is now at 55? Thanks

[erviv]

another thought. I will manually download version 55 and install similar to how I reverted back to 42.
So from this forum I downloaded and installed :
armhf    https://files.jriver.com/mediacenter/channels/v28/latest/MediaCenter-28.0.55-armhf.deb

I rebooted JRiver and .....
Checked the version of JRiver  - it is still 28.0.48 (32bit).  Makes me wonder if the latest file, above, is not actually loaded with version 55 but still contains 48. Otherwise I am at a loss on ideas.

[bob]

It's my mistake in packaging. Just uploaded the repackaged 28.0.55. Either install from the link at top or do:
apt-get clean
apt-get update
apt-get install --reinstall mediacenter28

[erviv]

Thanks Bob. At least this allowed me to learn how to install a current or previous version manually.

On my first rpi, I tried the apt-get clean  method and got several error messages. 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 39.3 MB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://dist.jriver.com/latest/mediacenter buster/main armhf mediacenter28 armhf 28.0.55-armhf [39.3 MB]
Err:1 http://dist.jriver.com/latest/mediacenter buster/main armhf mediacenter28 armhf 28.0.55-armhf
  File has unexpected size (39315834 != 39308158). Mirror sync in progress? [IP: 216.14.187.181 80]
  Hashes of expected file:
   - SHA256:579220850db67db8cb314cfbc49bc907ff54cb0ec3fbf7aca6666914e0a71d3b
   - SHA1:b1ac978b72bc711e57c4497744f8bd5a7858d215 [weak]
   - MD5Sum:fce65ee038e7bd29cb40f8054a3d4d7a [weak]
   - Filesize:39308158 [weak]
E: Failed to fetch http://dist.jriver.com/latest/mediacenter/pool/main/m/mediacenter28/mediacenter28_28.0.55-armhf_armhf.deb  File has unexpected size (39315834 != 39308158). Mirror sync in progress? [IP: 216.14.187.181 80]
   Hashes of expected file:
    - SHA256:579220850db67db8cb314cfbc49bc907ff54cb0ec3fbf7aca6666914e0a71d3b
    - SHA1:b1ac978b72bc711e57c4497744f8bd5a7858d215 [weak]
    - MD5Sum:fce65ee038e7bd29cb40f8054a3d4d7a [weak]
    - Filesize:39308158 [weak]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

So I re-run apt-get update and apt-get dist-upgrade and things cleared up just fine.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  mediacenter28
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 39.3 MB of archives.
After this operation, 86.0 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://dist.jriver.com/latest/mediacenter buster/main armhf mediacenter28 armhf 28.0.55-armhf [39.3 MB]
Fetched 39.3 MB in 25s (1,553 kB/s)                                                                                       
Reading changelogs... Done
(Reading database ... 101555 files and directories currently installed.)
Preparing to unpack .../mediacenter28_28.0.55-armhf_armhf.deb ...
Unpacking mediacenter28 (28.0.55-armhf) over (28.0.55-armhf) ...

For my other rpi I just ran sudo apt-get update and sudo apt-get dist-upgrade and version 55 loaded correctly. both my pi's are now at the current version 28.0.55.

thanks for resolving the issue.

[bob]

Thanks Bob. At least this allowed me to learn how to install a current or previous version manually.

On my first rpi, I tried the apt-get clean  method and got several error messages. 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 39.3 MB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://dist.jriver.com/latest/mediacenter buster/main armhf mediacenter28 armhf 28.0.55-armhf [39.3 MB]
Err:1 http://dist.jriver.com/latest/mediacenter buster/main armhf mediacenter28 armhf 28.0.55-armhf
  File has unexpected size (39315834 != 39308158). Mirror sync in progress? [IP: 216.14.187.181 80]
  Hashes of expected file:
   - SHA256:579220850db67db8cb314cfbc49bc907ff54cb0ec3fbf7aca6666914e0a71d3b
   - SHA1:b1ac978b72bc711e57c4497744f8bd5a7858d215 [weak]
   - MD5Sum:fce65ee038e7bd29cb40f8054a3d4d7a [weak]
   - Filesize:39308158 [weak]
E: Failed to fetch http://dist.jriver.com/latest/mediacenter/pool/main/m/mediacenter28/mediacenter28_28.0.55-armhf_armhf.deb  File has unexpected size (39315834 != 39308158). Mirror sync in progress? [IP: 216.14.187.181 80]
   Hashes of expected file:
    - SHA256:579220850db67db8cb314cfbc49bc907ff54cb0ec3fbf7aca6666914e0a71d3b
    - SHA1:b1ac978b72bc711e57c4497744f8bd5a7858d215 [weak]
    - MD5Sum:fce65ee038e7bd29cb40f8054a3d4d7a [weak]
    - Filesize:39308158 [weak]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

So I re-run apt-get update and apt-get dist-upgrade and things cleared up just fine.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  mediacenter28
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 39.3 MB of archives.
After this operation, 86.0 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://dist.jriver.com/latest/mediacenter buster/main armhf mediacenter28 armhf 28.0.55-armhf [39.3 MB]
Fetched 39.3 MB in 25s (1,553 kB/s)                                                                                       
Reading changelogs... Done
(Reading database ... 101555 files and directories currently installed.)
Preparing to unpack .../mediacenter28_28.0.55-armhf_armhf.deb ...
Unpacking mediacenter28 (28.0.55-armhf) over (28.0.55-armhf) ...

For my other rpi I just ran sudo apt-get update and sudo apt-get dist-upgrade and version 55 loaded correctly. both my pi's are now at the current version 28.0.55.

thanks for resolving the issue.

Oops, yeah I forgot the update step, the old hash would have been in there. Thanks for reporting that.