discusion related to cluster mecanism.

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33
votes
1answer
38k views

How does tcp-keepalive work in ssh?

I am trying to code a shell-script that uses a ssh-connection for doing "heartbeats". I want to terminate the client- and server-side of that connection after a certain timeout (after the connection ...
35
votes
1answer
2k views

How do I distribute a large download over multiple computers?

I need to download a large file (1GB). I also have access to multiple computers running Linux, but each is limited to a 50kB/s download speed by an admin policy. How do I distribute downloading this ...
3
votes
1answer
62 views

NFS file with same name but different content depending on host

I have cluster using NFS with a program myprogram which writes to a fixed location, e.g. /home/sharedfs/somedir/somefile.txt. This means that if you run myprogram from each node, they all write to the ...
2
votes
1answer
48 views

reduce bandwidth consumption from downloading yum updates

I have several machines (7) running fedora and would like to reduce the amount of external bandwidth I am consuming. I see that there were several attempts to setup mirrors, but those projects seem ...