Why do i sometimes need gnome libs to get something running,
as for this time it was network-manager-openvpn-gnome meanwhile the lib linux was complaining about was actualy confirmed present.

As i now use Mate as a desktop but even in xfce or lxde i seen that allot of gnome librairy's are needed to get stuff running.

If it was there then it would it be asking for it as for the needed gnome if the package you are installing is built to use a gnome library then it needs to have that installed before it will function. The mate, lxde and xfce all depend on the network manager from gnome for their desktop install.

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it's a reasonable question.
The Linux desktop environments aren't 100% separated from each other, and rely on stuff from elsewhere all the time.
gnome developers like to stamp their apps as such, and re-use other components from the gnome desktop.
there's also a lot of development (the most i guess) for the gnome desktop, since it's ubuntu's flagship, and many desktop environments are actually gnome forks (cinnamon, mate).

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MATE, Xfce, lxde, and cinnamon all have in common GTK, which is part of the Gnome Project. So if you're using any of these DEs, you aren't going to be able to avoid Gnome stuff.

But it can be done, depending on how hard you're willing to work for it. You could use a WM that doesn't rely on GTK libraries, use wpa-supplicant instead of Network Manager, etc. On my ThinkPad T61 laptop, I have zero Gnome/GTK software or libraries.

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i don't know if this is true, but you probably aren't wrong.
i'd just like to point out that the G stands for GIMP - it's the GIMP toolkit.

also there's unfortuantely quite a few more dependencies on gnome stuff here and there. it's not only about the GUI toolkit.
gvfs, gstreamer, ...

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Yes, I'm aware that the G stands for GIMP. It is most definitely true that each of those DEs use GTK. Regardless, GTK is part of the Gnome Project.

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That's because the programs you want to use are built on the gnome libraries. Libraries provide "lower level" functionalities that programs use by hooking into them. Software programs are a series of libraries built onto each other. Libraries are a series of functions or calls built onto each other.

GNOME programs provide a fair degree of ease-of-use using intricate GUI functionality. However alot of the functionality can still be worked around using native (typically command line) utilities. Network Manager is one such example of a GTK app. It brings all system networking in a single place together with plugins which can be bolted on. It is also entirely possible to do network administration without Network Manager, by using native utilities.

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