![]() #SINGULARITY PRINCIPLE DOWNLOAD INSTALL#Root privileges are not needed to install and use the JEDI Charliecloud container and it provides the same software libraries as the Singularity container.Īs noted above, Singularity is not a virtual machine so it does not build its own operating system. If Singularity is not installed and if you cannot install it because you do not have root privileges, then we recommend that you use Charliecloud instead. Alternatively, if you have root privileges, then you can install it yourself as described in the remainder of this section. If an up-to-date version is not available, then you can ask your system administrator to install or update it. If an up-to-date version of Singularity is already installed on your system, you can skip ahead to Using the JEDI Singularity Container. To use the JEDI container, you’ll need Singularity version 3.0 or later. If they refuse (and some still do because of lingering security concerns), then we recommend that you use Charliecloud instead. If not, the next step would be to ask your system administrators to install it. So, if you are on an HPC or other system where you do not have root access, we recommend that you first check to see if Singularity is already installed. This may not be a problem on your laptop or PC, but it can be an issue on HPC systems where such installations can only be done by the system administors. However, Singularity requires root privileges to install. The JEDI environment is contained in one such image file (see below).įor these reasons, Singularity is the recommended container platform for JEDI users and developers. Singularity encapsulates your software environment in a single disk image file that can be copied to and invoked on any system on which Singularity itself is installed. ![]() It is designed to be used for scientific applications on HPC systems, and to support general scientific use cases. It was originally developed at Lawrence Berkeley Labs but then branched off into its own enterprise that is now called SyLabs. Singularity is arguably the leading provider of software containers for HPC applications.
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