add virtualenv

env.sh

 #install conda via miniconda :
-follow this tuto : https://docs.conda.io/en/latest/miniconda.html#linux-installers
 
-#create your conda env
+follow this tuto : https://docs.conda.io/en/latest/miniconda.html#linux-installers
+##create your conda env
 conda create -n snakemake 
 conda activate snakemake
 conda config --add channels defaults
@@ -12,6 +12,19 @@ conda install -c bioconda snakemake
 conda install -c anaconda pandas
 conda install -c bioconda pysam
 conda install -c conda-forge singularity
-#mandatory for snakemake 8 only
+##mandatory for snakemake 8 only
 pip install snakemake-executor-plugin-slurm
-pip install snakemake-executor-plugin-cluster-generic
+pip install snakemake-executor-plugin-cluster-generic
\ No newline at end of file
+
+
+#install conda via virtulenv :
+module load Python/3.11.5 graalvm/ 
+virtualenv ~/snakemake
+source ~/snakemake/bin/activate
+pip install snakemake
+pip install pandas
+pip install pysam
+pip install snakemake-executor-plugin-slurm
+pip install snakemake-executor-plugin-cluster-generic
+
+