Notices to HPC Cloud users

• Microarchitectural Data Sampling (MDS) (June 2019)
• L1 Terminal Fault (L1TF), a.k.a. Foreshadow (Augustus 2018)
• Preparations for the maintenance 10 and 11 July 2018
• Spectre/Meltdown (February 2018)
• 2017-02 Ceph issues
• Resuming STOPPED VMs from OpenNebula 4 in OpenNebula 5
• Dirty Cow
• Move to new datacenter
• Replacing VirDir
• Data from Calligo to Oort
• Images from Calligo to Oort