Le 14/05/2017 à 14:11, Hendrik Boom a écrit :
On Sun, May 14, 2017 at 08:08:51AM +0200, Didier Kryn wrote:
apt-get dist-upgrade is what's necessary to change release - as the name
means -, eg Wheezy to Jessie or Jessie to Ascii. This is why it should
rarely be used, and only after carefully editing sources.list. It's a jump
into the new. Dist-upgrade always worked fine for me and I consider this as
one of the greatest achievements of Debian's package management technology.
I would recommend some clean-up before the jump. For example I would
uninstall things like mysql server which doesn't recognize any priviledge to
root. Also Debian tended to install a lot of packages the user doesn't want
and even doesn't know, so better get them out before the dist-upgrade
This can be difficult. There are oodles of packages. It can be hard
to know which ones you are actually using, especially if they are
libraries, or they are invoked using an icon on a so-called desktop.
Some review of installed packages is usefull from time to time,
ideally just after install, but before upgrade is also a good
opportunity. In synaptic, you can easily review the packages which are
"manually installed" and try to uninstall the ones you don't want; you
will be warned if this removal breaks something usefull.
'apt-get autoremove --purge' will get rid of all packages which
were once installed only to satisfy a dependency but are no longer needed.
Didier
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