We have our own computational cluster (nominally 40 nodes, 12 CPU cores and 16 RAM each) located at:
hclm.ifp.tuwien.ac.at
The OS there is outdated CentOS 5.11 which might cause some problems to ssh to it from the newer machines: one might need to manually set the key exchange algorithm and/or host key algorithm.
To do so one can edit a ssh client config file .ssh/confg:
Host hclm User username Hostname hclmbck.ifp.tuwien.ac.at KexAlgorithms=+diffie-hellman-group1-sha1 HostKeyAlgorithms=+ssh-rsa
And use the following command to login:
ssh hclm
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