this post was submitted on 20 Sep 2023
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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What makes you dislike docker?
At least from a development perspecrive, it's really convenient, especially when paired with a CICD system and container registry.
I tried it once and it rewrote all my firewall rules without telling me
Sounds like you were using Docker Desktop on Windows maybe? It's... pretty meh. But Docker on Linux is phenomenal. Docker on Windows is mostly just a way to make it accessible to developers stuck on Windows.
Nope. Debian
Yeah that's a gripe of mine. Thankfully podman doesn't do that.
Docker also sometimes breaks lxd and libvirt networking by changing the default forward policy from accept to drop.
I think podman by default does do that, but it's easy to disable almost all of it, at least.
Nope, I just tested and the rootful podman service doesn't touch any iptables/firewall rules.
It uses what is called a "CNI", container network interface, to manage container networking rather than just overwriting all the iptables rules like docker does.
Damn.
Yeah, that would make me dislike it too.