![]() Slurmstepd-node04: error: execve(): python3: No such file or directory srun: error: node04: task 2: Exited with exit code 2 If this occurs you can simply add Python3 as an additional package to install in the next step. If Python is not installed you will see the following error. The command should return something similar to that shown below. ![]() If you are using a different number of nodes you simply need to replace the '3' with the correct number of nodes. In this case we run the command python3 -version on all three of our secondary nodes. Srun will run a command on as many nodes/cores as you require. In the primary node type the following: srun -nodes=3 python3 -version First we will check to see whether Python is installed on all the secondary nodes. This will be either the default or your chosen password.Īs we have SLURM up and running we are able to use the primary node to run commands simultaneously on all the secondary nodes. ssh YOUR-IP-ADDRESS should be replaced with the IP address of the primary Raspberry Pi. We first ssh into the primary node (see part 2 of this series for details on SSH and finding the IP address with NMAP). Ubuntu 22.04 comes with Python 3.8 preinstalled at the system level. In part 2 of this article series we installed Ubuntu 22.04 onto our Raspberry Pis. The first task is to check our Python installation and install the necessary system packages. By the end of this article we will have QSTrader installed and running the example sixty-forty strategy. This will enable us to run multiple parameter sweeps for backtests of single or multiple strategies in parallel. ![]() In this article we will be using SLURM to install QSTrader on all our secondary nodes. In the previous article in this series we installed and configured SLURM to enable us to parellelise work loads. ![]()
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