quick:start
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quick:start [2022/01/14 10:05] ischeepers |
quick:start [2026/06/11 11:17] (current) kevin [Logging in for the First Time] |
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| + | ==== Video tutorials for newcomers ==== | ||
| + | If you are a new user to the CHPC, please watch these videos: | ||
| + | * [[https:// | ||
| + | * [[https:// | ||
| + | * [[https:// | ||
| + | * [[https:// | ||
| + | |||
| + | ====Mailing List==== | ||
| + | |||
| + | The **[[https:// | ||
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| The CHPC's Dell Linux cluster has been up and running since 2014. | The CHPC's Dell Linux cluster has been up and running since 2014. | ||
| - | The new system is an homogeneous cluster, comprising Intel 5th generation CPUs. As of March 2017 it has 1368 compute nodes with 24 cores and 128 GiB* memory | + | The new system is an homogeneous cluster, comprising Intel 5th generation CPUs. As of May 2025 it has 41 nodes with 24 cores and 256 GiB memory, 784 compute nodes with 24 cores and 128 GiB* memory, 355 nodes with 24 cores and 64 GiB memory, and four large memory " |
| - | * Maximum available memory on each type of node: '' | + | * Maximum available memory on each type of node: '' |
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| </ | </ | ||
| + | ====Logging in for the First Time==== | ||
| - | The new system is running CentOS 7.0 and uses the //Bash// shell by default. | + | :!: You will use a password only for the **first time** you log in using ssh. And the first step will be to set up your ssh key. After this, you **can only log in using ssh keys and your password will be disabled.** |
| - | You should change your password after logging in the first time. | + | Please read carefully and follow |
| - | To change | + | |
| - | Rules are: 10 characters, with at least one of the following character types: upper and lower case, numbers, and special characters. | + | |
| - | Once you have logged in, give some consideration to how you will be using your session on the login node. If you are going to spend a long time logged in, doing a variety of tasks, it is best to get yourself [[http:// | + | |
| + | ====Long Interactive Sessions==== | ||
| + | |||
| + | Once you have logged in, give some consideration to how you will be using your session on the login node. If you are going to spend a long time logged in, doing a variety of tasks, it is best to get yourself | ||
| + | |||
| + | The new system is running [[quick: | ||
| ====Trouble Logging in?==== | ====Trouble Logging in?==== | ||
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| ^ Mount point ^ File System ^ Size ^ Quota ^ Backup ^ Access | ^ Mount point ^ File System ^ Size ^ Quota ^ Backup ^ Access | ||
| - | | ''/ | + | | ''/ |
| | ''/ | | ''/ | ||
| - | | ''/ | + | | ''/ |
| - | | ''/ | + | | ''/ |
| - | + | ||
| - | **Note 1:** Unfortunately, | + | |
| :!: **IMPORTANT NOTE:** Files older than 90 days on ''/ | :!: **IMPORTANT NOTE:** Files older than 90 days on ''/ | ||
| - | **Note 2:** Access to ''/ | + | **Note |
| + | |||
| + | **Note [2]** Create a support ticket on Helpdesk if you would like to request us to install a new application, | ||
| + | |||
| + | **Note [3]** Access to ''/ | ||
| It is essential that all files that your job script writes to be on Lustre, apart from scheduler errors you will lose performance because your home directory is on NFS which is not a parallel file system. It is also recommended that all files your jobs scripts reads, especially if large or read more than once, be on Lustre for the same reason. | It is essential that all files that your job script writes to be on Lustre, apart from scheduler errors you will lose performance because your home directory is on NFS which is not a parallel file system. It is also recommended that all files your jobs scripts reads, especially if large or read more than once, be on Lustre for the same reason. | ||
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| | smp | 24 | 24 | 20 | 10 | 96 | For single-node parallel jobs. | | | | smp | 24 | 24 | 20 | 10 | 96 | For single-node parallel jobs. | | | ||
| ^ normal | ^ normal | ||
| - | | large | 2400 | 264 | 10 | 5 | | + | | large | 2400 | 264 | 10 | 5 | |
| + | | xlarge | ||
| | express | | express | ||
| | bigmem | | bigmem | ||
| Line 337: | Line 354: | ||
| <code bash> | <code bash> | ||
| #!/bin/bash | #!/bin/bash | ||
| - | #PBS -l ncpus=24: | + | #PBS -l select=1:ncpus=24: |
| #PBS -P PRJT1234 | #PBS -P PRJT1234 | ||
| #PBS -q smp | #PBS -q smp | ||
| Line 344: | Line 361: | ||
| #PBS -e / | #PBS -e / | ||
| #PBS -m abe | #PBS -m abe | ||
| - | #PBS -WMail_Users=youremail@ddress | + | #PBS -M youremail@ddress |
| ulimit -s unlimited | ulimit -s unlimited | ||
| Line 370: | Line 387: | ||
| #PBS -e / | #PBS -e / | ||
| #PBS -m abe | #PBS -m abe | ||
| - | #PBS -WMail_Users=youremail@ddress | + | #PBS -M youremail@ddress |
| ulimit -s unlimited | ulimit -s unlimited | ||
| . / | . / | ||
/app/dokuwiki/data/attic/quick/start.1642147519.txt.gz · Last modified: 2022/01/14 10:05 by ischeepers
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