LFS458 Kubernetes Administration

This course covers the core concepts typically used to build and administer a Kubernetes cluster in production, using vendor-independent tools. We build a cluster, determine network configuration, grow the cluster, deploy applications and configure the storage, security and other objects necessary for typical use. This course offers exposure to the many skills necessary to administer Kubernetes in a production environment.

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China SDN/NFV Conference

China SDN/NFV Conference is the official annual gathering of the China SDN/NFV Industry Alliance.  It is co-organized by China Institute of Communications (CIC) and China Communications Standards Association (CCSA). In addition, the Conference is further supported by China Mobile, China Telecom, China Unicom, and the China Academy of Information and Communications Technology, Ministry of Industry & Information Technology.

Event Title: 
China SDN/NFV Conference

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USN-3579-3: LibreOffice regression

libreoffice regression

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 17.10


USN-3579-1 caused a regression in LibreOffice.

Software Description

  • libreoffice – Office productivity suite


USN-3579-1 fixed a vulnerability in LibreOffice. After upgrading, it was
no longer possible for LibreOffice to open documents from certain
locations outside of the user’s home directory. This update fixes the

We apologize for the inconvenience.

Original advisory details:

It was discovered that =WEBSERVICE calls in a document could be used to
read arbitrary files. If a user were tricked in to opening a specially
crafted document, a remote attacker could exploit this to obtain sensitive
information. (CVE-2018-6871)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.10

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart LibreOffice to make
all the necessary changes.


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Cilium 1.0.0-rc4 Released: Transparently Secure Container Network Connectivity Utilising Linux BPF

Cilium is open source software for transparently securing the network connectivity between application services deployed using Linux container management platforms like Docker and KubernetesCilium 1.0.0-rc4 has recently been released, which includes: the Cloud Native Computing Foundation (CNCF)-hosted Envoy configured as the default HTTP/gRPC proxy; the addition of a 

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Automated Provisioning in Kubernetes

When deploying applications in a Kubernetes cluster, certain types of services are commonly required. Many applications require a database, a storage service, a message broker, identity management, and so on. You have enough work on your hands containerizing your own application. Wouldn’t it be handy if those other services were ready and available for use inside the cluster?

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