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Old 07-26-2008, 01:38 AM   #1
kidicarus
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Upgrading to kde 4 on Fedora 6?


I've been thinking of manually installing KDE 4. I have Red Hat 7.2 on one system and manually upgraded it to KDE3. I removed the old kde.

My questions are: if I manually upgrade to KDE 4, should I remove the old version of KDE? Will there be conflicts? How mush disk space will it require? Has anybody here tried it?
 
Old 07-26-2008, 02:09 AM   #2
dexterdongle
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In a word dont do it, theres been too much changed in kde4. My advice would be to grab f9 anytime now as kde 4.1 is about to drop & in my experience 4.0 was rubbish.
Oh to answer the question kde3.x & 4.x dont play nice in fedora but search techbase for a developer setup.
 
Old 07-26-2008, 03:05 AM   #3
b0uncer
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KDE 4.0 (4.1 when it's released) can be installed alongside KDE 3.x, in fact this is the default way in distributions that offer "official" KDE 4.x packages; when you install the new desktop, it installs into a different directory structure than ver 3.x, thus letting you use whichever desktop version you want - just select it in the login screen as usual. This is really the only sane way to do it for anybody who wants to try 4.0 (4.1) out, but still have a desktop available for working that is known to work (3.x); 4.0 is far from ready, and I suspect that even though 4.1 corrects a lot of things, it's still not good as the current 3.5 series for example. Far from it. Feel free to try it out, but keep 3.5 at hand in case the new desktop doesn't work out as expected (which is probable).

Be sure to read the docs/instructions at kde.org about installing KDE 4.x (would be 4.1 in your case, as it's released soon enough). I don't have the box at hand now where I have KDE 4.0 installed -- checking it out for fun, which turned out not to be fun afterall since it simply doesn't work well enough to be a usable desktop -- so I can't estimate the disk space it takes. Probably something close to 3.x versions, but it surely depends on what components you install with it; note that 4.x doesn't still have nearly as much software available as 3.x.

I'm waiting the 4-series to be "usable" (as 3.5 is now) in the future, but not close future. Maybe 4.3 or 4.4 is beginning to be something that can be used on a daily basis; like they said, 4.0 wasn't meant to be a fully working/non-problematic release, and I take it 4.1 is neither -- there are still issues with performance and crashes, and at the moment nVidia card owners have to do extra work to get rid of some problems. KDE says this is up to nVidia to fix, but while that's certainly true to some extent, I'd say there's still a lot to fix at KDE's end too -- just look at compiz-fusion and you start to wonder why kde's desktop isn't working nearly as smoothly -- yes, they're just creating the stuff out of nothing, I guess, but that's not a reason to state performance issues are proprietary drivers' fault, especially when it's just one manufacturer whose cards don't play it nicely.

Last edited by b0uncer; 07-26-2008 at 03:08 AM.
 
Old 07-26-2008, 06:13 PM   #4
kidicarus
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That was a very good post b0uncer, thank you. I didn't know KDE 4 wasn't already relatively stable or that it gave more difficulties with install than past versions. KDE3 was kind of easy to install by hand, at least compared to GNOME, which I had also installed by hand (which was extremely difficult, lots of problems and conflicts).

To be honest, the only reason I wanted it was because I wanted to try out QT 4, GUI programming, and QT 4 has changed quite a bit from QT3.

Do you think it would be safe to install QT 4 alone, and just use it for minor development on my desktop (without Kdevelop etc., which would require version 4).
 
Old 07-28-2008, 05:37 AM   #5
dexterdongle
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That sounds a lot more do-able, I have a f7 devel box here with:
qt4-devel-4.3.4-14.fc7
qt4-x11-4.3.4-14.fc7
qt4-4.3.4-14.fc7
PyQt4-4.3.3-1.fc7
PyQt-3.17.4-1.fc7
PyKDE-3.16.0-11.fc7
PyQt-devel-3.17.4-1.fc7
kdevelop-3.5.1-3.fc7

manually porting to f6 should'nt be so bad.
 
Old 07-30-2008, 08:31 PM   #6
kidicarus
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I just installed qt4 on my linux box with yum and it went off without a hitch. I can even use qt-designer and linguist. I'm very happy and I didn't really want to upgrade to the new fedora anyway.

Configuring kdevelop to use QT4 seems like a hassle though, from what i've read.
 
  


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