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  • Docker & containers: uso ideale

    calendar Mar 11, 2018 · 3 min read
     devops featured it  · docker linux
     ·
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    Docker & containers: uso ideale
    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”:


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  • OpsDev

    calendar 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

    1. BIGPROJECT is unavailable for all users in the bank
    2. BIGPROJECT2 platform which sits on BIGPROJECT is unavailable this includes the Click-to-chat serviceCurrent Status
    3. 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:


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  • Docker Shadow of Lights on Raspberry Pi 2/3

    calendar 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.


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  • Hyper VM Troubleshooting

    calendar Nov 8, 2018 · 1 min read
     devops en featured  · docker
     ·
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    Hyper VM Troubleshooting

    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?


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  • Detecting Agile bullshit

    calendar Feb 5, 2019 · 1 min read
     devops en software
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    Detecting Agile bullshit

    The department of defense, has published a nice document to “detect” agile bullshit. The document is called DIB_DETECTING_AGILE_BS_2018.10.05 and was published on October 2018.


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  • Why DevOps

    calendar Apr 4, 2019 · 1 min read
     devops
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    We just finished implementing a dev ops deploy toolchain able to compile,deploy, rollback all in automatic way. The objection of the dev team is “it is slow to deploy”.


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  • Prometheus + Grafana: vincere facile

    calendar Jul 13, 2019 · 1 min read
     devops it  · k8s
     ·
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    Prometheus + Grafana: vincere facile

    Abbiamo provato Prometheus in congiunzione con Grafana.

    Prometheus è un tool di monitoraggio e alerting, scritto in Go e caratterizzato da un database orientato all’archiviazione in time series.


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  • Docker tips

    calendar Sep 27, 2019 · 2 min read
     devops en knowledgebase  · docker
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    Docker tips

    Use docker in docker to drive docker from a container Working under windows, sometimes docker slow down. Sometimes you need to access to the MobyVM. With this line:


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  • Ansible rulez!

    calendar Nov 13, 2019 · 2 min read
     devops en  · raspberrypi
     ·
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    In the last weekend I needed to restore my RasperryPi service box. It is a raspberrypi 2 which mostly make backups of my blogs.


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  • Misterio: Ansible and Saltstack killer in docker

    calendar Jul 9, 2020 · 1 min read
     devops en  · docker
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    Misterio: Ansible and Saltstack killer in docker
    Misterio is a  docker-compose based Ansible alternative.Misterio rocks!
    https://github.com/daitangio/misterio

    Why

    I need to show Ansible and Saltstack configuration manager are nice tools but in a K8s world, the same result can be achieved in a much simpler way.
    It was to teach the container way to some co-worker.
    Without effort, I end up with a tool I am using on my home machines, which include a bunch of very different architecture (Ubuntu Boxes, ARMs RPi2, Windooze).
    So I think it would be nice show Misterio to the world...and yes there is a bit of magic, called containers.
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    Last updated:2025-06-14 16:44
    Giovanni Giorgi

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