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  • PuTTY questions

    Hi, I am new to PuTTY. I need to use it to connect a remote cluster super computers to run blast. I have several questions.

    1>It will take several days until the BLAST finished, but I need to turn off my labtop. What is the proper way to do it? -- After I close PuTTY on my labtop, make sure the PuTTY still running on the clusters.

    2> What command can let me check how many cpus (cores) that I can use on clusters.

    3>While the BLAST is running, is it possible for me to log on the remote cluster again and run another program with same ID.

    Thanks.

  • #2
    Originally posted by SDPA_Pet View Post
    Hi, I am new to PuTTY. I need to use it to connect a remote cluster super computers to run blast. I have several questions.

    1>It will take several days until the BLAST finished, but I need to turn off my labtop. What is the proper way to do it? -- After I close PuTTY on my labtop, make sure the PuTTY still running on the clusters.
    The cluster you are using should have a proper job queuing/scheduling system (if it is a supercomputer). You submit the jobs via the scheduling system (LSF/PBS/SGE) which then takes over job management allowing you to log out/back in as you need.

    Originally posted by SDPA_Pet View Post
    2> What command can let me check how many cpus (cores) that I can use on clusters.
    These settings are cluster specific and determined by system administrators. Ask for local help.

    Originally posted by SDPA_Pet View Post
    3>While the BLAST is running, is it possible for me to log on the remote cluster again and run another program with same ID.
    Thanks.
    See answer for #1. Jobs submitted via a scheduler run independently. You can potentially schedule tens of jobs (via scripts) and they will generally pend/run depending on limits associated with your user ID/group (set by local cluster administrators).

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