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#cluster

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Proxmox fully automated! From ClickOps to Code: Automated. Audited. Revisioned. Repeatable.

Starting from the base by automating:
- Cluster initialization
- Cluster join
- Storage Integration
- Proxmox Backup Server Integration
- SDN Networks (different ones for pros/dev)
- Guest Resources utilizing the cluster infrastructure

#Proxmox #PVE #Pbs #ProxmoxBackupServer #opensource #Automation #Ansible #python #devops #terraform #cicd #pipeline #cluster #nfs #iscsi

peertube.gyptazy.com/w/4cp7ddL

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2020 December 16

Sonified: The Matter of the Bullet Cluster
* Image Credit: X-ray: NASA/CXC/SAO
* Optical: NASA/STScI, Magellan/U.Arizona
* Lensing Map: NASA/STScI, ESO WFI, Magellan/U.Arizona
* Sonification: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)

Explanation:
What's the matter with the Bullet Cluster? This massive cluster of galaxies (1E 0657-558) creates gravitational lens distortions of background galaxies in a way that has been interpreted as strong evidence for the leading theory: that dark matter exists within. Different analyses, though, indicate that a less popular alternative -- modifying gravity-- could explain cluster dynamics without dark matter, and provide a more likely progenitor scenario as well. Currently, the two scientific hypotheses are competing to explain the observations: it's invisible matter versus amended gravity. The duel is dramatic as a clear Bullet-proof example of dark matter would shatter the simplicity of modified gravity theories. The featured sonified image is a Hubble/Chandra/Magellan composite with red depicting the X-rays emitted by hot gas, and blue depicting the suggested separated dark matter distribution. The sonification assigns low tones to dark matter, mid-range frequencies to visible light, and high tones to X-rays. The battle over the matter in the Bullet cluster is likely to continue as more observations, computer simulations, and analyses are completed.

apod.nasa.gov/apod/ap201216.ht