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The machine name will be something like <code>cedar. | The machine name will be something like <code>cedar.alliancecan.ca</code> or <code>niagara.alliancecan.ca</code>. | ||
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Note that when connecting via SSH to one of our clusters you will be randomly assigned to one of several distinct login nodes used for the cluster to balance the connection load, so that you may well land on a different login node from one connection to another, e.g., <code>cedar1</code>, <code>cedar5</code>, <code>gra-login4</code> or <code>gra-login2</code>. If you use a program like [https://www.gnu.org/software/screen/ screen] to manage your login sessions, you will need to make sure that you are on the same login node to open an older session, by making an SSH connection to the appropriate login node from whichever one you initially landed on. If for example you were assigned <code>gra-login4</code> when you typed <code>ssh username@graham. | Note that when connecting via SSH to one of our clusters you will be randomly assigned to one of several distinct login nodes used for the cluster to balance the connection load, so that you may well land on a different login node from one connection to another, e.g., <code>cedar1</code>, <code>cedar5</code>, <code>gra-login4</code> or <code>gra-login2</code>. If you use a program like [https://www.gnu.org/software/screen/ screen] to manage your login sessions, you will need to make sure that you are on the same login node to open an older session, by making an SSH connection to the appropriate login node from whichever one you initially landed on. If for example you were assigned <code>gra-login4</code> when you typed <code>ssh username@graham.alliancecan.ca</code> but you want to be on <code>gra-login2</code>, simply type <code>ssh gra-login2</code> from <code>gra-login4</code> to get there. | ||
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