diff --git a/slide/1.1.ansible.pptx b/slide/1.1.ansible.pptx
new file mode 100644
index 0000000..274b71b
Binary files /dev/null and b/slide/1.1.ansible.pptx differ
diff --git a/slide/1.4.kubespray.pptx b/slide/1.4.kubespray.pptx
new file mode 100644
index 0000000..9bce971
Binary files /dev/null and b/slide/1.4.kubespray.pptx differ
diff --git a/slide/2.1.ceph.pptx b/slide/2.1.ceph.pptx
new file mode 100644
index 0000000..a425c09
Binary files /dev/null and b/slide/2.1.ceph.pptx differ
diff --git a/slide/3.2.cicd.pptx b/slide/3.2.cicd.pptx
new file mode 100644
index 0000000..9b63d7b
Binary files /dev/null and b/slide/3.2.cicd.pptx differ