fix s3cmd tutorial

web/support/kb/objstore/s3_quick_tutorial.rst

@@ -8,6 +8,23 @@ You may use:
 * `s3cmd`_ to manipulate buckets (create, get/put objects) from command line
 * `s3fs <https://github.com/s3fs-fuse/s3fs-fuse>`_ to mount containers as filesystems
 
+Both tools need ec2 credentials to be created.
+
+Create EC2 credentials
+----------------------
+
+Create and download an `application credential <https://cloud.garr.it/compute/app-credential/>`_ from openstack dashboard as *app-credentials.sh*.
+
+You need to install the Openstack cli as described here in the `cli tutorial <https://cloud.garr.it/compute/install-cli/>`.
+
+Then execute the content of the file::
+
+    $ source app-credentials.sh
+
+And create the ec2 credentials::
+
+    $ openstack ec2 credentials create -c access -c secret  -f value | paste -sd: | tee ~/.passwd-s3fs ~/.s3cfg
+    
 
 S3cmd: manipulate object storage from command line
 --------------------------------------------------
@@ -24,10 +41,16 @@ commands::
 
 Configure environment
 *********************
-Create and download an `application credential <https://cloud.garr.it/compute/app-credential/>`_ from openstack dashboard, and take note of the *access_key* and
-the *secret_key*.
 
-Create a file ``~/.s3cfg`` with the following content::
+Modify ``~/.s3cfg``::
+	
+	$ nano `~/.s3cfg
+	
+Comment the content adding ``#`` before the string::
+	
+	#<ACCESS-KEY>:<SECRET-KEY> 
+
+and add the following content::
 
   [default]
   access_key = <put_your_ACCESS-KEY_here>
@@ -108,22 +131,10 @@ N.B. These instructions refer to version 1.86 available on Ubuntu 20.04. Differe
 Uncomment *user_allow_other* option by removing the *#*:: 
 
     $ nano /etc/fuse.conf
+    
+Assign the right permissions to configuration file::
 
-Create application credential 
-*****************************
-
-Create and download an `application credential <https://cloud.garr.it/compute/app-credential/>`_ from openstack dashboard as *app-credentials.sh*.
-
-You need to install the Openstack cli as described here in the `cli tutorial <https://cloud.garr.it/compute/install-cli/>`.
-
-Then execute the content of the file::
-
-    $ source app-credentials.sh
-
-And create the ec2 credentials::
-
-    $ openstack ec2 credentials create -c access -c secret  -f value | paste -sd: > ${HOME}/.passwd-s3fs
-    $ chmod 600 .passwd-s3fs
+    $ chmod 600 ~/.passwd-s3fs
 
 Mount a container
 ********************