Hey,
I was wondering how I had to set my Debian system so I could do "o and get an o-umlaut or when I do Ctrl+Alt+5 that I'd get an Euro sign. I thought this might be a locale problem, though the problem could be somewhere else, I don't know.
I'm currently using the nl_NL.UTF-8 UTF-8 locale though I used the nl_NL@euro ISO-8859-15 locale before and that didn't work either.
So what do I have to do to get this work? Thanks in advance,
Ruben

Maybe you should check that the fonts you use include encoding that supports the characters you want to type. For instance, the description for the xfonts-100dpi package says this:

I installed those packages, though it still doesn't work. I even did a reboot to be sure all required programs where restarted. I use the ISO-8859-15@euro locale now again because I read this was the one I need (it has the euro sign included)
The weird thing is that all the character like the euro sign and o-umlaut etc. are displayed correct but I can't type them myself.

Hmm... It looks like there are some sort of tutorials available for setting up euro character support in Debian. Check out "apt-cache search euro-support" and "apt-cache show package_name". After installing documentation packages, you can view them in /usr/share/doc/package_name/.

I think you have a keyboard issue, not with the locale. The locale just maps the charnums to the fonts. But if you never enter them, you won't see them either ;-)
I have a little flag in the KDE systray, and clicking on it switches my keyboard between US & US + dead keys(and german, french and dutch). The dead keys allows me to ëntür nïcè accents. Though I never tried to get a euro sign. Not too concerned about money I guess...

"Hey,
I was wondering how I had to set my Debian system so I could do "o and get an o-umlaut or when I do Ctrl+Alt+5 that I'd get an Euro sign. I thought this might be a locale problem, though the problem could be somewhere else, I don't know.
I'm currently using the nl_NL.UTF-8 UTF-8 locale though I used the nl_NL@euro ISO-8859-15 locale before and that didn't work either.
So what do I have to do to get this work? Thanks in advance,
Ruben"
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Try this:
assuming you're using a Dutch keyboard, and that during the installation you chose your keyboard as '105 international' and 'nl' as your kb language, do a 'dpkg-reconfigure locales', choose the 'nl_NL@euro' as your language, then go to /etc/environment:

# nano /etc/environment

and add these lines:

export LANG=nl_NL@euro
export LC_ALL=nl_NL@euro
LANGUAGE=nl_NL@euro
LANG=nl_NL@euro

save/exit
reboot

see if that helps. The 'euro' symbol should come up by pressing the 'Alt Gr' key plus the euro key, in my spanish keyboard is the 'E' key.

When do you have problems with the euro symbol :
1) In the virtual consoles ?
2) In your xterms ?
3) In your X-apps (eg firefox) ?
... everytime ?