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Hi,
a problem which led me to installing Archlinux. I had been using Ubuntu 10.10 for a month when suddenly a program I use a lot - molden - stopped working. I run it on our school cluster over ssh wih vpn active. VPN is from Cisco. After connecting to our school network I run ssh:
$ssh -X username@server
After login I try to start molden
molden filename
and at this moment whole xterm freezes. Yesterday I tried to connect from my friend's computer who is using Linux Mint and everything worked fine. So I tried to install older version of Ubuntu (10.04) and then I decided to change distribution and I chose Arch. After installing everything and setting up the network I installed vpn and tried ssh. The problem was still there.
I have tried to find some info about the problem in varius logs, but I haven't found anything so far. I think the problem is somewhere on my side, our school cluster should be ok.
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Do other X11 apps (like gvim/xemacs) work? Also, you could try with ssh -vvX, in order to enable verbose output during your session.
Arch Linux is more than just GNU/Linux -- it's an adventure
pkill -9 systemd
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I have tried the verbose mode. Last output is:
debug1: channel 1: new [x11]
debug1: confirm x11
and then it freezes. However it works if I install putty. This problems bothers only me and one of my colleagues. Others in our lab are perfectly fine with whatever distro they have. And no X application works.
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Strange, I have 2 arch machines in the office and run mathematica from the cluster just fine...
I assume that on the Arch machine you have the default ssh_config. Right? Trivially, the problem should be either on the server, or in the VPN. Does your ssh work without vpn? Also, does ssh -Y work? Server's sshd_config would be useful...
As a side note, why do you need VPN? Because servers don't accept connection from outside?
Arch Linux is more than just GNU/Linux -- it's an adventure
pkill -9 systemd
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I need VPN to access school network, because connections to the cluster are allowed only from that network. ssh -Y works and yes, I use default ssh_config. I don't have any other server where I could try ssh and x11 forwarding.
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