On Fri, 19 Jun 2015 11:26:49
Craig Sanders said,
On Fri, Jun 19, 2015 at 04:39:26AM +1000, [email protected] wrote:
and _____BEFORE______ doing any dist-upgrade I ALWAYS check what will
happen using dselect as unlike aptitude it will display every change
that will be done.
that's what 'apt-get -d -u dist-upgrade' is for. it not only limits
Thanks for the tip, I will give it a go, for various reasons though I
prefer dselect.
IMPORTANT point here apt and dselect use different package lists both
these need to be updated separately to keep the system in sync.
please stop saying this because it's not true.
apt-get, aptitude, dselect, dpkg and even the GUI versions of same *ALL* >use
/var/lib/dpkg/status and /var/lib/dpkg/available.
I beg to differ here, on my systems apt-get update does ___not___ touch
/var/lib/dpkg/status and /var/lib/dpkg/available. Also after such an update
dselect does ___not___ show any change, but after doing "dselect update",
the /var/lib/dpkg/available but status remains as it was.
Russell Coker said,
>I've had ongoing problems with aptitude insisting on removing things
>I want.
I have checked this out and apt appears not te be aware of some
packages. as previously stated in one of my cases "blender", apt
wanted to remove it due to two missing dependencies, both packages
were installed and dselect was aware of them apt was not.
if this actually happened as you remember it,then it was most likely due to
versioned dependencies. a dependency can be declared not just on a package
The version numbers ___were___ correct, I checked this explicitly, for some
reason apt simply ignored this while dselect and dpkg did not.
From all of the above I have assumed apt and dselect ___do___ use different
package and status lists.
One thing I will restate is because of ___VERY___ poor and expensive
internet up around this neck of the woods, I always do a cd (now dvd)
install. Long experience shows that for some reason debians net upgrade
does ___________NOT___________ like this and after a handfull of net
updates the package system gets itself into a real twist. I have found
keeping the apt and dselect package list in sync reduces but does not
eliminate this confusion.
Note: You can fix this usually with dpkg, it takes days though.
After 3 or 4 updates its necesary to reinstall the system, with apt-move
this is not as difficult as it may appear. I always keep my own updated
repository for all versions of debian I use, these only containing the
packages I require. To reinstall one uses the method in the debian docs to
copy a system, uisng this it only takes 30 minutes or so to reinstall.
Remember I am no newbe, I have been using linux since kernel 0.96d (earlish
1993) and having been using debian (the best linux distro) since debians
very begining.
Lindsay
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