Re: [DNG] Can I Switch to Jessie Without re-installing?

[KatolaZ]

On Fri, Mar 02, 2018 at 11:52:40PM +0100, Adam Borowski wrote:
> On Thu, Mar 01, 2018 at 02:43:53PM -0800, Chime Hart wrote:
> > Thank you for the suggestion of Jessie where I can run Voxin.  Would their
> > be a command I can run to switch from ASCII?  Thanks so much in advance
> 
> Downgrading is officially not supported, but it generally works without a
> hitch.  The easiest way is apt pinning:
> 
> Write the following to /etc/apt/preferences :
> Package: *
> Pin: release n=jessie
> Pin-Priority: 1001
> 
> then "apt dist-upgrade".  Obviously, you need to have jessie sources in
> /etc/apt/sources.list to have something to downgrade to.
> 
> The documentation is in "man apt_preferences", TL;DR: priorities >= 100
> allow upgrading, priorities > 1000 allow downgrading.
> 
> You'd probably want to delete ascii sources and comment out the preferences
> afterwards, as it's a common pitfall to leave the pin in place then forget
> it's there, which can make waste your time troubleshooting.
> 
> 

I guess you should also have ascii pinned to -1, otherwise ascii deps
won't be downgraded...

  Package: *
  Pin: release n=ascii
  Pin-Priority: -1
  
My2Cents

KatolaZ

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Re: [DNG] Can I Switch to Jessie Without re-installing?

[Adam Borowski]

On Thu, Mar 01, 2018 at 02:43:53PM -0800, Chime Hart wrote:
> Thank you for the suggestion of Jessie where I can run Voxin.  Would their
> be a command I can run to switch from ASCII?  Thanks so much in advance

Downgrading is officially not supported, but it generally works without a
hitch.  The easiest way is apt pinning:

Write the following to /etc/apt/preferences :
Package: *
Pin: release n=jessie
Pin-Priority: 1001

then "apt dist-upgrade".  Obviously, you need to have jessie sources in
/etc/apt/sources.list to have something to downgrade to.

The documentation is in "man apt_preferences", TL;DR: priorities >= 100
allow upgrading, priorities > 1000 allow downgrading.

You'd probably want to delete ascii sources and comment out the preferences
afterwards, as it's a common pitfall to leave the pin in place then forget
it's there, which can make waste your time troubleshooting.


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[DNG] Can I Switch to Jessie Without re-installing?

[Chime Hart]

Thank you for the suggestion of Jessie where I can run Voxin. Would their be a 
command I can run to switch from ASCII? Thanks so much in advance

Chime
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