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Amazon Elastic Container services (ECS) is the Amazon Solution for running docker containers on Amazon.
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In Microservices architecture, you decompose your services in a set of fine-grained services. These services are full-stack software, from front end API down to database layer.
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K8s is a very complex beast. But it give you a very good set of security defaults, and it is also a very well done implementation of a microservice application.
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In this second article, I suggest to explore further two simple helm chart for getting a bit more inside K8s.
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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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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.
Discussion on Hacker NewsNILFS was developed by NTT Laboratories and published as an open-source software under GPL license, and now available as a part of Linux kernel.
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Bullet points:
- 1979: Unix V7 Introduced the chroot command to isolate the filesystem a process "access" to.
- Various technology was introduced up to 2006, like Virtuozzo (which patched Linux in a proprietary ways)
- 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.
- 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.
- 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
- On September 2014 Google published the first release of Kubernetes
- 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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