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1. Profile should be established this umask  will be required later in the stack install as will the ulimit  settings
   

   Code Block
   language shell
   # .bash_profile umask 0022 ulimit -S -s unlimited if [[ ~/.bashrc ]]; then . ~/.bashrc fi cd ~

   
   
2. Follow the instructions for Prerequisites for Ubuntu (one-off):  https://spack-stack.readthedocs.io/en/latest/NewSiteConfigs.html#prerequisites-ubuntu-one-off 
   1. When installing the gcc compilers, if you would like to make sure you install version 13
      

      Code Block
      language shell
      # Compilers apt install -y gcc-13 g++-13 gfortran-13 gdb

3. Follow the instructions for creating a new environment:   https://spack-stack.readthedocs.io/en/latest/NewSiteConfigs.html#newsiteconfigs-linux-createenv 
   1. Step 1: For now use the 1.9.0 release branch when cloning spack-stack (Place the spack-stack clone in you home directory.)
      

      Code Block
      language shell
      git clone -b release/1.9.0 --recurse-submodules https://github.com/jcsda/spack-stack.git cd spack-stack # Sources Spack from submodule and sets ${SPACK_STACK_DIR} source setup.sh

   2. Step 2: Create a unified-dev environment - complete step following newsiteconfigs 
      

      Code Block
      language shell
      spack stack create env --site linux.default --template unified-dev --name unified-env.gcc --compiler=gcc cd envs/unified-env.gcc/ spack env activate [-p] .

   3. Step 3: follow newsiteconfigs 
   4. Step 4: follow newsiteconfigs 
   5. Step 5: Check that “spack compiler find --scope system” reports version 13.x)
   6. Step 6: follow newsiteconfigs 
   7. Step 7:  Use openmpi 5.0.5, can skip  add of mpich.  

      1. 1. Code Block
            language shell
            gcc --version # insert your gcc version here (example 13.3.0) spack config add "packages:all:compiler:[gcc@13.3.0]"

         2. Code Block
            language shell
            # openmpi v5.0.5 skip mpich install spack config add "packages:all:providers:mpi:[openmpi@5.0.5]"

   8. Step 8: follow newsiteconfigs 
   9. Step 9: skip - if new Orbstack 
   10. Step 10: skip - if new Orbstack
   11. Step 11: concretize and install: follow newsiteconfigs 
   12. Step 12 - 14: follow newsiteconfigs 

Building jedi-bundle and running skylab

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