Make Webex work on Ubuntu 9.10
One of the tool I’m using nearly every day is Webex. 
It’s an online conferencing tool which, in our line of work, is essential! Since we have clients, staff and partners everywhere in the world, what would we do without web conferencing! I’m currently using both Webex and GoToMeeting, which are the 2 main players in this market. First one is by Cisco, second one by Citrix. I like them both, with a little preference for GoToMeeting, which is a little bit simpler for clients and a bit more user friendly.
But GoToMeeting has one main issue: it does not work on Linux… And, I can not go back to Windows for my main desktop OS, I would go crazy! So I use Webex on a daily basis, and once a week I use GoToMeeting for a conference I’m doing with people at ImpressCMS which needs to be recorded. I have to do this on my wife’s laptop though, as she has Windows 
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Anyway, since I switched to Ubuntu 9.10, I could not run Webex. It was telling me that Java was not enabled in my browser. I did not had time to look into it, so I was using my second laptop which still has Ubuntu 8.04. But today, I found 5 minutes and solved the problem. It was that Sun Java Runtime Environment (JRE) needed to be installed. I found the info in this great post which, by the way, has a lot of other very useful tips for people on Ubuntu Karmic Koala.
The solution to my Webex problem: close Firefox and run this command from Terminal:
sudo apt-get install sun-java6-jre sun-java6-plugin
Fired up Firefox and created a Webex meeting. Everything works perfectly!
After installin libstdc++5 and java plugins I can successfully join a meeting and see participant list and chats.
But I can not see any shared data, so it is totally useless.
Any ideas?
Unfortunately no… Are you running Karmic ?
I have the same problem. I can connect to a meeting with Ubuntu 9.10, but I cannot see the shared screen.
I Have the same problem on both os Fedora and Ubuntu. After Lot of research I got that the Webex will work only if java is properly installed and configured. When I searching for that there is no rpm or deb available on java. But after some time java came to opensource and then everything simple. Now a days it is very simple just go for apt or yum and everything fine.