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improve lxc/pct faqs

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Dietmar Maurer 2016-09-08 10:49:39 +02:00
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@ -89,27 +89,31 @@ recommended.
LXC vs LXD vs Proxmox Containers vs Docker:: LXC vs LXD vs Proxmox Containers vs Docker::
LXC is a userspace interface for the Linux kernel containment LXC is a userspace interface for the Linux kernel containment
features. Through a powerful API and simple tools, it lets Linux users easily features. Through a powerful API and simple tools, it lets Linux users
create and manage system containers. easily create and manage system containers. LXC, as well as the former
OpenVZ, aims at *system virtualization*, i.e. allows you to run a
complete OS inside a container, where you log in as ssh, add users,
run apache, etc...
+ +
LXD is building on top of LXC to provide a new, better user experience. Under LXD is building on top of LXC to provide a new, better user
the hood, LXD uses LXC through liblxc and its Go binding to create and manage experience. Under the hood, LXD uses LXC through 'liblxc' and its Go
the containers. It's basically an alternative to LXC's tools and distribution binding to create and manage the containers. It's basically an
template system with the added features that come from being controllable over alternative to LXC's tools and distribution template system with the
the network. added features that come from being controllable over the network.
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LXC, as well as the former OpenVZ, aims at *system virtualization*, ie Proxmox Containers also aims at *system virtualization*, and thus uses
allows you to run a complete OS inside a container, where you log in as ssh, LXC as the basis of its own container offer. The Proxmox Container
add users, run apache, etc... Toolkit is called 'pct', and is tightly coupled with {pve}. That means
+ that it is aware of the cluster setup, and it can use the same network
Proxmox VE aims at system virtualization, and thus uses LXC as the basis of its and storage resources as fully virtualized VMs. You can even use the
own container offer. LXC provides countless options, and it would be too {pve} firewall, create and restore backups, or manage containers using
difficult to use LXC tools directly. Instead, we provide a small wrapper called the HA framework. Everything can be controlled over the network using
`pct`, the "Proxmox Container Toolkit", using LXC as a low-level library. the {pve} API.
+ +
Docker aims at running a *single* application running in a contained Docker aims at running a *single* application running in a contained
environment. Hence you're managing a docker instance from the host with the environment. Hence you're managing a docker instance from the host with the
docker toolkit. docker toolkit. It is not recommended to run docker directly on your
{pve} host.
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NOTE: You can however perfectly install and use docker inside a Proxmox Qemu NOTE: You can however perfectly install and use docker inside a Proxmox Qemu
VM, and thus getting the benefit of software containerization with the very VM, and thus getting the benefit of software containerization with the very