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  • Gitea hardening and healthchecks.io

    calendar Mar 22, 2023 · 1 min read
     devops en featured knowledgebase unix-featured
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    Gitea hardening and healthchecks.io

    A friend of mine asked some insight on how to harden a Gitea server on Internet. Gitea is a web application for manging git repositories.


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  • Docker History

    calendar Dec 8, 2022 · 1 min read
     devops en featured knowledgebase  · docker history
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    Docker History

    Bullet points:

    1. 1979: Unix V7 Introduced the chroot command to isolate the filesystem a process "access" to.
    2. Various technology was introduced up to 2006, like Virtuozzo (which patched Linux in a proprietary ways)
    3. 2006: Process Containers Launched by Google in 2006 was designed for limiting, accounting and isolating resource usage (CPU, memory, disk I/O, network) of a collection of processes. It was renamed “Control Groups (cgroups)” a year later and eventually merged to Linux kernel 2.6.24.
    4. 2008: LXC LXC (LinuX Containers) was the first, most complete implementation of Linux container manager. It was implemented in 2008 using cgroups and Linux namespaces, and it works on a single Linux kernel without requiring any patches.
    5. 2013: Docker Docker used LXC in its initial stages and later replaced that container manager with its own library, libcontainer. Docker offered a way to configure and manage containers, i.e a standard de-facto for this technology. As you see Docker was based on cgroups and LXC, seven-years old technologies
    6. On September 2014 Google published the first release of Kubernetes
    7. In 2015 Docker, CoreOS and others founded the Open Container Initiative's (OCI). K8s does not need docker anymore to work, but Docker traction is still strong.
     

    References:


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  • Open watcher: Nilfs file system and concourse CI

    calendar Nov 20, 2022 · 1 min read
     devops en knowledgebase
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    Open watcher: Nilfs file system and concourse CI
    NILFS is a log-structured file system supporting versioning of the entire file system and continuous snapshotting, which allows users to even restore files mistakenly overwritten or destroyed just a few seconds ago.

    NILFS was developed by NTT Laboratories and published as an open-source software under GPL license, and now available as a part of Linux kernel.

    Discussion on Hacker News


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  • Feather: Simple Icons with MIT License

    calendar Nov 17, 2022 · 1 min read
     en knowledgebase
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    Feather: Simple Icons with MIT License

    https://github.com/feathericons/feather

     

  • Git Hooks: pre-commit.com

    calendar Oct 15, 2022 · 1 min read
     en knowledgebase  · git
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    Git Hooks: pre-commit.com

    Nice tool to test:

    Git hook scripts are useful for identifying simple issues before submission to code review. We run our hooks on every commit to automatically point out issues in code such as missing semicolons, trailing whitespace, and debug statements. By pointing these issues out before code review, this allows a code reviewer to focus on the architecture of a change while not wasting time with trivial style nitpicks.

    As we created more libraries and projects we recognized that sharing our pre-commit hooks across projects is painful. We copied and pasted unwieldy bash scripts from project to project and had to manually change the hooks to work for different project structures.


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  • Hacker News Undocumented features

    calendar Oct 4, 2022 · 1 min read
     en knowledgebase
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    Hacker News Undocumented features

    https://github.com/minimaxir/hacker-news-undocumented

  • Next.js: Give it a Try!

    calendar Jul 10, 2022 · 1 min read
     en featured knowledgebase  · reactjs
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    Next.js: Give it a Try!

    I was trying to explore a way to build a client/server application in Typescript; after some failed experiments, I found something better: Next.js offer the ability to build a React application and to render server-side its dynamic components.


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  • SQLite Tool-set

    calendar Jun 20, 2022 · 2 min read
     featured knowledgebase sql
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    SQLite Tool-set

    Random list of very interesting projects (will be updated, guys).


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  • Bash Regular expression replace (regexp)

    calendar Apr 13, 2022 · 1 min read
     en knowledgebase unix-featured  · bash
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    Bash Regular expression replace (regexp)

    You can easily use bash to search-and-replace on variables…


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  • Let PiHole play nice with docker-compose

    calendar Apr 3, 2022 · 1 min read
     devops featured knowledgebase unix-featured  · docker-compose pihole
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    Let PiHole play nice with docker-compose

    When you run pihole in a docker container, it could be difficult to build images on the same docker daemon, because docker-compose cannot pass DNS request to another container during build, and normal dns resolution fixes won’t work.


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    Giovanni Giorgi

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