[TriLUG] Upgrade Debian 7 to 8

[Ken MacKenzie via TriLUG]

One other suggestion, if you have never done it before it wouldn't hurt to
do a dry run upgrade in place in a vm first so you know what to expect.

On Thu, Sep 8, 2016 at 4:08 PM, Ken MacKenzie <ken at mack-z.com> wrote:

> When you switch debian versions you will need to do dist-upgrade.  Also
> prepare for it to take a good while.
>
> On Thu, Sep 8, 2016 at 4:07 PM, Ken MacKenzie <ken at mack-z.com> wrote:
>
>> from the man pages for apt:
>>
>> upgrade
>>    upgrade is used to install the newest versions of all packages
>>    currently installed on the system from the sources enumerated in
>>    /etc/apt/sources.list. Packages currently installed with new
>>    versions available are retrieved and upgraded; under no
>>    circumstances are currently installed packages removed, or packages
>>    not already installed retrieved and installed. New versions of
>>    currently installed packages that cannot be upgraded without
>>    changing the install status of another package will be left at
>>    their current version. An update must be performed first so that
>>    apt-get knows that new versions of packages are available.
>>
>> dist-upgrade
>>    dist-upgrade in addition to performing the function of upgrade,
>>    also intelligently handles changing dependencies with new versions
>>    of packages; apt-get has a "smart" conflict resolution system, and
>>    it will attempt to upgrade the most important packages at the
>>    expense of less important ones if necessary. So, dist-upgrade
>>    command may remove some packages. The /etc/apt/sources.list file
>>    contains a list of locations from which to retrieve desired package
>>    files. See also apt_preferences(5) for a mechanism for overriding
>>    the general settings for individual packages.
>>
>>
>> On Thu, Sep 8, 2016 at 4:06 PM, Mauricio Tavares via TriLUG <
>> trilug at trilug.org> wrote:
>>
>>> On Thu, Sep 8, 2016 at 4:03 PM, Brian <lugmail at cheetah.dynip.com> wrote:
>>> > apt-get dist-upgrade?
>>> >
>>>       I've always thought all that does is also apply the kernel stuff
>>> as compared to garden-variety apt-get upgrade.
>>>
>>> > -B
>>> >
>>> >
>>> > On 09/08/2016 03:57 PM, Mauricio Tavares via TriLUG wrote:
>>> >>
>>> >> On Thu, Sep 8, 2016 at 3:49 PM, Grawburg via TriLUG <
>>> trilug at trilug.org>
>>> >> wrote:
>>> >>>
>>> >>> I understand I can, with care, upgrade my Debian 7 to 8 (Jessie)
>>> without
>>> >>> a totally new install. My question is simple: Am I asking for
>>> trouble doing
>>> >>> it this way instead of doing a fresh install on a new HD?
>>> >>>
>>> >>        You mean like using do-release-upgrade? I know that command
>>> >> exists in ubuntu, but don't know if it is in debian also
>>> >>
>>> >>> Brian Grawburg
>>> >>> Wilson
>>> >>>
>>> >>> --
>>> >>> [This was sent from a PC running Debian 7, 64-bit Linux. No Microsoft
>>> >>> products were used.]
>>> >>>
>>> >>>
>>> >>>
>>> >>>
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>>> >
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>>
>>
>