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| # Home Assistant Community Add-on: chrony | ||
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| An NTP server accessible by all hosts on the local network, useful for setting | ||
| time on devices with controlled internet access (such as cameras). | ||
| The addon can also be used to set the system clock. | ||
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| ## Installation | ||
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| The installation of this add-on is pretty straightforward and not different in | ||
| comparison to installing any other Home Assistant add-on. | ||
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| 1. Search for the "chrony" add-on in the add-on store and install it. | ||
| 1. Start the "chrony" add-on | ||
| 1. Check the logs of the "chrony" add-on to see if everything went well. | ||
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| ## Configuration | ||
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| **Note**: _Remember to restart the add-on when the configuration is changed._ | ||
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| Example add-on configuration: | ||
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| ```yaml | ||
| set_system_clock: true | ||
| mode: pool | ||
| ntp_pool: pool.ntp.org | ||
| ntp_server: | ||
| - 54.39.13.155 | ||
| - briareus.schulte.org | ||
| ``` | ||
| **Note**: _This is just an example, don't copy and paste it! Create your own!_ | ||
| ### Option: `log_level` | ||
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| The `log_level` option controls the level of log output by the addon and can | ||
| be changed to be more or less verbose, which might be useful when you are | ||
| dealing with an unknown issue. Possible values are: | ||
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| - `trace`: Show every detail, like all called internal functions. | ||
| - `debug`: Shows detailed debug information. | ||
| - `info`: Normal (usually) interesting events. | ||
| - `warning`: Exceptional occurrences that are not errors. | ||
| - `error`: Runtime errors that do not require immediate action. | ||
| - `fatal`: Something went terribly wrong. Add-on becomes unusable. | ||
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| Please note that each level automatically includes log messages from a | ||
| more severe level, e.g., `debug` also shows `info` messages. By default, | ||
| the `log_level` is set to `info`, which is the recommended setting unless | ||
| you are troubleshooting. | ||
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| ### Option: `set_system_clock` | ||
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| The `set_system_clock` option configures chrony to set the local system clock. | ||
| For some systems it may be preferable to use a different mechanism for | ||
| setting the system time. | ||
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| ### Option: `mode` | ||
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| The `mode` option configures chrony to use either `pool` or `server` mode. | ||
| These options are: | ||
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| - `pool`: References a pool of servers such as pool.ntp.org (Recommended). | ||
| - `server`: References a list of specific names or addresses. | ||
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| Based on the mode the `ntp_pool` or `ntp_server` option will be used. | ||
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| ### Option: `ntp_pool` | ||
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| Used by pool mode and configures the pool name to be used, should be a DNS | ||
| record with multiple entries. The application will select which to reference. | ||
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| ### Option: `ntp_server` | ||
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| Used by server mode, an array of server names or IP Addresses used as the | ||
| time source. The application will select which to reference. | ||
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| ## Changelog & Releases | ||
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| This repository keeps a change log using [GitHub's releases][releases] | ||
| functionality. The format of the log is based on | ||
| [Keep a Changelog][keepchangelog]. | ||
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| Releases are based on [Semantic Versioning][semver], and use the format | ||
| of ``MAJOR.MINOR.PATCH``. In a nutshell, the version will be incremented | ||
| based on the following: | ||
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| - ``MAJOR``: Incompatible or major changes. | ||
| - ``MINOR``: Backwards-compatible new features and enhancements. | ||
| - ``PATCH``: Backwards-compatible bugfixes and package updates. | ||
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| ## Support | ||
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| Got questions? | ||
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| You have several options to get them answered: | ||
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| - The [Home Assistant Community Add-ons Discord chat server][discord] for add-on | ||
| support and feature requests. | ||
| - The [Home Assistant Discord chat server][discord-ha] for general Home | ||
| Assistant discussions and questions. | ||
| - The Home Assistant [Community Forum][forum]. | ||
| - Join the [Reddit subreddit][reddit] in [/r/homeassistant][reddit] | ||
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| You could also [open an issue here][issue] GitHub. | ||
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| ## Authors & contributors | ||
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| The original setup of this repository is by [Paul Sinclair][sinclairpaul]. | ||
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| For a full list of all authors and contributors, | ||
| check [the contributor's page][contributors]. | ||
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| ## License | ||
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| MIT License | ||
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| Copyright (c) 2019-2020 Paul Sinclair | ||
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| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
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| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
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| [contributors]: https://github.com/hassio-addons/addon-chrony/graphs/contributors | ||
| [discord-ha]: https://discord.gg/c5DvZ4e | ||
| [discord]: https://discord.me/hassioaddons | ||
| [forum]: https://community.home-assistant.io/t/community-hass-io-xxxxx/xxxxx | ||
| [sinclairpaul]: https://github.com/sinclairpaul | ||
| [issue]: https://github.com/hassio-addons/addon-chrony/issues | ||
| [keepchangelog]: http://keepachangelog.com/en/1.0.0/ | ||
| [reddit]: https://reddit.com/r/homeassistant | ||
| [releases]: https://github.com/hassio-addons/addon-chrony/releases | ||
| [semver]: http://semver.org/spec/v2.0.0.htm |