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# DynuIPRefresher
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A lightweight C++ application to setup a service for refreshing a dynamic IP to the Dynu servers.
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Dynu.com is a free DDns service and provides an API.
## Installation
Download the latest Release at [Release_Page ](https://github.com/Lukas-Heiligenbrunner/DynuIPRefresher/releases ).
I'm providing executables for Debian/Ubuntu (.deb) and RHEL/Debian (.rpm).
But you can still compile the code my your own (see build section).
## Configuration
There is a configuration file `/etc/iprefresher.cfg` where you have to specify the DYNU API key (get it from their homepage), the domainid and your domain.
Furthermore, you can optionally specify a Telegram API key and a Chat ID if you want to be notfied when your local ip changes.
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To enable and start the service:
`systemctl enable iprefresher.service` and `systemctl start iprefresher.service`
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## Build
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## Basic Build
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### Download source files
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`git clone https://github.com/Lukas-Heiligenbrunner/DynuIPRefresher.git`
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### install build dependencies
`libcurl`
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`libconfig`
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#### Debian:
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`apt install libcurl4-openssl-dev`
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#### Fedora:
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`dnf install libcurl-devel libconfig-devel`
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#### Alpine Linux:
Compiler dependencies:
`apk add make cmake g++`
Lib dependencies:
`apk add libcurl curl-dev libconfig libconfig-dev`
Packaging dependencies:
`apk add dpkg rpm`
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#### dependencies for package build
`dpkg` --> debian/ubuntu package
`rpmbuild` --> Fedora/RedHat/CentOS package
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### cmake project
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cd into downloaded files and Generate makefiles:
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`cmake -S . -B build`
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### compile project
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`make`
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[root] install it to the system
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`make install`
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(optional) create Linux packages
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`make package`
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### Windows cross build
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Set Winbuild flag in CMakeList.txt.
Dependencies:
* MinGW Compiler
* MinGW-libcurl
* MinGW-libconfig++
Optional dependencies
* NSIS Pack tool (for creating installer)
* doxygen (for generating html doc)
Some addition configuration of lib paths may be needed in CMakeList.txt.
`make package` will pack it into a NSIS installer for Windows.
