Warning unrequested advice:

Weird, my updates almost always succeed perfectly.  I wonder if during 
the course of using your machine you have accidentally unloaded packages 
that have also pulled out a package that are just a list of dependencies 
for loading major parts of the system.

For instance it's possible to remove packages so that it will also 
remove the kubuntu-desktop package (Yeah I know you are using mint, this 
is just an example :)  once you have done that the system will work just 
fine since the package you removed wasn't essential to the system and 
technically neither is kubuntu-desktop (it is for the most part since it 
has already done it's job.  Even the description in the package says "It 
is safe to remove this package")

The problem only pops up when the system goes to do a major update where 
it need to pull in a lot of packages that aren't on the system by 
default and the packages that you have don't have dependencies on them.

Every time I have a bad upgrade it is due to some missing dependencies 
that were caused by a situation like above.

They are almost always fixed by reinstalling kubuntu-desktop and 
kde-full, or whatever other dependency package that is missing.

The remaining problems that I have had have actually been caused by 
removed packages that have left crud (old config files and such) behind 
that is somehow getting in the way.  That is easily fixed with this command.

Use with caution, I've never had a problem doing this*, but be warned:
dpkg --get-selections |grep deinstall$ |sed 's/deinstall$/purge/' |dpkg 
--set-selections

apt-get dselect-upgrade

or

apt-get purge $(dpkg --get-selections |grep deinstall$ |cut -f1)

or

apt-get purge $(dpkg-query -W -f '${Package}:${Architecture} 
${Status}\n' |grep -i 'deinstall ok config-files' |cut -f1 -d" ")

It's just 3 ways to do the same thing, so just pick one.  I actually 
tend to use the 3rd one since for some reason it's the first one that 
pops into my head most of the time.  Yeah, I know, it would be a lot 
easier to just make a point of remembering one of the other 2 first.

Brian Cluff

* there was that one time that I accidentally told it to purge the 
installed packages instead of the deinstalled ones, but I realized what 
I was doing about 50 packages in and was able to recover from that by 
pulling a list of removed packages from the dpkg log and piping that 
list into apt-get... Linux is so awesome!

On 09/11/2013 06:38 PM, joe@actionline.com wrote:
> Well, I have version 4.8.5 on Linux Mint KDE 4.8.3
> so I do not have that option (and I'm afraid to
> "update" Mint because every time I have ever "updated"
> any installed OS, the result has been some catastrophe.
>
>
> === Brian last wrote: ===
>> You should be able to set all your kwrite prefs back to default by doing:
>>
>> rm ~/.kde/share/config/kwriterc
>>
>> I'm running kwrite 4.11.1.  I've attached a screenshot of where I find
>> highlighting on mine.  Perhaps you have an older version that either
>> doesn't have the option, or it's in another location.
>
>
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