Set correct path for os alias

Signed-off-by: Arnaud M <arnaud.choupinette@mailops.fr>

userdata/isen-postinstall.sh

@@ -78,7 +78,7 @@ EOF
 title.print "Configure bash"
 cat <<'EOF'>>/root/.bashrc
 PS1='\e[2;37m\u@\h\e[0m \e[0;32m$PWD\e[0m \e[1;31m>\e[0m '
-alias os=openstack
+alias os=/opt/oscli/bin/openstack
 alias k=kubectl
 EOF