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Hyper VM Troubleshooting

Nov 8, 2018 · 1 min read

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Sometimes your windows' HyperV Hypervisor will refuse to start.

The problem is tricky because the services seems started if you check them. Also the installation is successful, virtualization is enabled and so on. So what is wrong?

Docker Shadow of Lights on Raspberry Pi 2/3

May 20, 2018 · 1 min read

devops en · docker raspberrypi

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Docker Shadow of Lights on Raspberry Pi 2/3

Cloud, DevOps, and Microservices are three strong forces are melting together.

OpsDev

Mar 23, 2018 · 2 min read

devops en humor

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From an internal email of a very very big corporate company

Incident Background: BIGPROJECT has been unavailable since APAC SOD due to a data refresh activity being wrongly triggered in from UAT to Production environments.
Business Impact

BIGPROJECT is unavailable for all users in the bank

BIGPROJECT2 platform which sits on BIGPROJECT is unavailable this includes the Click-to-chat serviceCurrent Status

Initial attempt of flashback Database to restore from the last good restore point failed due to errors due to absence of flashback logs– this was a quicker option, but now ruled out.

Currently going ahead with full restoration in the Primary database – this activity is tentatively supposed to take 8-9 hours (in place of 6 hours earlier mentioned)

[...manual recovery instruction follows... ]

After 5 hours in another email they dare to say:

Docker & containers: uso ideale

Mar 11, 2018 · 3 min read

devops featured it · docker linux

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Docker is a tool that can package an application and its dependencies in a virtual container that can run on any Linux server. This helps enable flexibility and portability on where the application can run, whether on premises, public cloud, private cloud, bare metal, etc.
Da https://en.wikipedia.org/wiki/Docker_(software)

Docker e la “containerizzazione” sono l’evoluzione di due tecnologie molto “antiche”: