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Apptainer: Difference between revisions
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→Important Items
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* Install Linux, Apptainer, and <code>sudo</code> in a virtual machine on a system you control so you will be able to have <code>sudo</code> access within such. Build your image(s) on that machine and upload them in order to use them on Alliance systems. | * Install Linux, Apptainer, and <code>sudo</code> in a virtual machine on a system you control so you will be able to have <code>sudo</code> access within such. Build your image(s) on that machine and upload them in order to use them on Alliance systems. | ||
* If appropriate, [[Technical Support|submit a ticket]] asking if Alliance staff would be able to help build the image(s), etc. required needing <code>sudo</code>. (Understand that this may or may not be done/possible --but feel free to ask such in a ticket if what you wish to achieve is beyond your means. Additionally, we may respond with other ways to achieve such with may or may not involve Apptainer.) | * If appropriate, [[Technical Support|submit a ticket]] asking if Alliance staff would be able to help build the image(s), etc. required needing <code>sudo</code>. (Understand that this may or may not be done/possible --but feel free to ask such in a ticket if what you wish to achieve is beyond your means. Additionally, we may respond with other ways to achieve such with may or may not involve Apptainer.) | ||
* Apptainer version 1.1.x has improved support for users using <code>--fakeroot</code> implicitly and explicitly so some things make become possible that were not with Apptainer version 1.0.x and Singularity. This includes being able to build some images from Definition files and building some images without needing to use <code>sudo</code>. That said, not all images will be able to be built without needing to use <code>sudo</code> or real root. | |||
====Important Command Line Options==== | ====Important Command Line Options==== | ||