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99 lines
2.3 KiB
Markdown
99 lines
2.3 KiB
Markdown
---
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title: DuckDNS.sh
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homepage: https://github.com/BeyondCodeBootcamp/DuckDNS.sh
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tagline: |
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DuckDNS.sh: Dynamic DNS updater for https://duckdns.org. Works on all POSIX*ish* systems (Mac, Linux, Docker, BSD, etc).
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---
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To update or switch versions, run `webi duckdns.sh@stable` (or `@v1.0.3`,
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`@beta`, etc).
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### Files
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These are the files / directories that are created and/or modified with this
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install:
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```text
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~/.config/envman/PATH.env
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~/.local/bin/duckdns.sh
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~/.config/duckdns.sh/
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```
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## Cheat Sheet
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> DuckDNS.sh (`duckdns.sh`) is the best Dynamic DNS client to date. Not only
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> does it have some nice sub commands and work on all Posix systems, but it can
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> also register itself with your system launcher - `systemd` on Linux and
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> `launchctl` on macOS.
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Paste your token from [duckdns.org](https://duckdns.org) to start.
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```sh
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# duckdns.sh auth <subdomain>
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# duckdns.sh auth foobar # do NOT include '.duckdns.org'
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```
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Set to launch on login (Mac) or on boot (Linux)
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```sh
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# duckdns.sh enable <subdomain>
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duckdns.sh enable foobar
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```
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### Usage
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Use `-v` to filter out all matches so that only non-matches are left.
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```sh
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USAGE
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duckdns.sh <subcommand> [arguments...]
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SUBCOMMANDS
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myip - show this device's ip(s)
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ip <subdomain> - show subdomain's ip(s)
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list - show subdomains
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auth <subdomain> - add Duck DNS token
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update <subdomain> - update subdomain to device ip
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set <subdomain> <ip> [ipv6] - set ipv4 and/or ipv6 explicitly
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clear <subdomain> - unset ip(s)
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run <subdomain> - check ip and update every 5m
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enable <subdomain> - enable on boot (Linux) or login (macOS)
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disable <subdomain> - disable on boot or login
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help - show this menu
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version - show version and exit
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```
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### How to check your current IP address
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```sh
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duckdns.sh myip
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```
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This is the same as
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```sh
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curl -fsSL 'https://api.ipify.org?format=text'
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curl -fsSL 'https://api64.ipify.org?format=text'
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```
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### How to check your domain's current DNS records
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```sh
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duckdns.sh ip foobar
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```
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This is the same as
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```sh
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dig +short A foobar.duckdns.org
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dig +short AAAA foobar.duckdns.org
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```
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### How to manually set your domain's DNS records
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```sh
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duckdns.sh set foobar 127.0.0.1 ::1
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```
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