add singularity it4i

docs.it4i/software/tools/singularity-it4i.md

@@ -24,7 +24,7 @@ On clusters we have different versions of operating systems images. Below you se
 
 For current information on available images, refer to the `ml av` statement and the `OS`
 
-## Available operating systems images
+## Available Operating Systems Images
 
 **Supported OS:**
 
@@ -43,7 +43,7 @@ For current information on available images, refer to the `ml av` statement and
 * classic
 * shell - automatics start shell after load module
 
-## IT4Innovations wrappers
+## IT4Innovations Wrappers
 
 For using modules we prepared special wrappers
 
@@ -113,7 +113,7 @@ New version is ready. (/home/login/.singularity/images/CentOS-6.9_20180220092823
 
 In next examples, we will be using Singularity images on clusters.
 
-### Load image
+### Load Image
 
 For classic image
 
@@ -150,7 +150,7 @@ $ ml CentOS/6.9-GPU
 
 Submited job `qsub -A PROJECT -q qprod -l select=2:mpiprocs=24 -l walltime=00:30:00 -I`
 
-### MPI into image
+### MPI Into Image
 
 ```console
 $ ml CentOS/6.9-shell
@@ -163,7 +163,7 @@ Singularity CentOS-6.9_20180220092823.img:~> mpirun hostname | wc -l
 !!! warning
     You allocate two nodes, but MPI into image use only one node.
 
-### MPI outside image
+### MPI Outside Image
 
 ```console
 $ ml CentOS/6.9
@@ -172,14 +172,14 @@ $ image-mpi hostname | wc -l
 48
 ```
 
-## Use own image on cluster
+## Use Own Image On Cluster
 
 1. Prepare image into your local computer
 1. Transfer image to your `/home` (for example `.singularity/image`)
 1. Load module Singularity (`ml Singularity`)
 1. Use your image
 
-## Edit IT4Innovations image
+## Edit IT4Innovations Image
 
 1. Transfer image to your local computer
 1. Edit image