87 lines
3.4 KiB
Markdown
87 lines
3.4 KiB
Markdown
# Creating a New Network
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This guide is for those who wish to start a new isle network of their own.
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By starting a new isle network, you are becoming the administrator of a
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network. Be aware that being a network administrator is not necessarily easy,
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and the users of your network will frequently need your help in order to have a
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good experience. It can be helpful to have others with which you are
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administering the network, in order to share responsibilities.
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## Requirements
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Creating a network is done using a single host, which will become the first host
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in the network.
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The configuration used during network creation will be identical to that used
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during normal operation of the host, so be prepared to commit to that
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configuration for a non-trivial amount of time.
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The requirements for this host are:
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* A public static IP, or a dynamic public IP with [dDNS][ddns] set up.
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* There should be UDP port which is accessible publicly over that IP/DNS name.
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This may involve forwarding the UDP port in your gateway if the host is
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behind a NAT, and/or allowing traffic on that UDP port in your hosts
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firewall.
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* At least 3 GB of disk storage space.
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* At least 3 directories should be chosen, each of which will be committing at
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least 1GB. Ideally these directories should be on different physical disks,
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but if that's not possible it's ok.
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* None of the resources being used for this network (the UDP port or storage
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locations) should be being used by other networks.
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## Step 1: Choose Parameters
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There are some key parameters which must be chosen when creating a new network.
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These will remain constant throughout the lifetime of the network, and so should
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be chosen with care.
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* Name: A human-readable name for the network. This will only be used for
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display purposes.
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* Subnet: The IP subnet (or CIDR) will look something like `10.10.0.0/16`, where
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the `/16` indicates that all IPs from `10.10.0.0` to `10.10.255.255` are
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included. It's recommended to choose from the [ranges reserved for private
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networks](https://en.wikipedia.org/wiki/IPv4#Private_networks), but within
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that selection the choice is up to you.
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* Domain: isle is shipped with a DNS server which will automatically
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configure itself with all hosts in the network, with each DNS entry taking the
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form of `hostname.hosts.domain`, where `domain` is the domain chosen in this
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step. The domain may be a valid public domain or not, it's up to you.
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* Hostname: The hostname of your host, which will be the first host in the
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network, must be chosen at this point. You can reference the [Adding a Host to
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the Network](./adding-a-host-to-the-network.md) document for the constraints
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on the hostname.
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## Step 2: Create the Network
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To create the network, run:
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```bash
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# Creating a host with 3 initial storage allocations of capacities 10GB, 15GB,
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# and 20GB:
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isle network create \
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--name <name> \
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--ip-net <subnet> \
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--domain <domain> \
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--hostname <hostname> \
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--vpn-public-address <public address> \
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--storage-allocation 10@/mnt/driveA/isle \
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--storage-allocation 15@/mnt/driveB/isle \
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--storage-allocation 20@/mnt/driveC/isle
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```
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At this point your host, and your network, are ready to go! To add other hosts
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to the network you can reference the [Adding a Host to the Network][add-host]
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document.
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[add-host]: ./adding-a-host-to-the-network.md
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[ddns]: https://www.cloudflare.com/learning/dns/glossary/dynamic-dns/
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