--- title: Install dataclerk on CentOS using the Snap Store | Snapcraft description: Get the latest version of dataclerk for on CentOS - A simple server for storing your data url: https://snapcraft.io/install/dataclerk/centos --- [Canonical Snapcraft](https://snapcraft.io/) # Install dataclerk on **CentOS** # dataclerk [Tim McNamara (tim-clicks)](https://snapcraft.io/publisher/tim-clicks "View all snaps from Tim McNamara (tim-clicks)") * [Tim McNamara (tim-clicks)](https://snapcraft.io/publisher/tim-clicks "View all snaps from Tim McNamara (tim-clicks)") * [Devices and IoT](https://snapcraft.io/search?categories=devices-and-iot) * [Utilities](https://snapcraft.io/search?categories=utilities) [Install](https://snapcraft.io/install/dataclerk/centos#install) #### A simple server for storing your data A fast, reliable, small data remote logging tool with a very small footprint. `dataclerk` is similar to a log file, but you can send it messages over the web. If Apache Kafka is too bulky for you, consider `dataclerk`. It's intended to be a zero-fuss solution that will easily get out of your way when you outgrow it. **Example Session** To start, we create a server that's listening locally: ``` $ dataclerk localhost:4499 iot-logs.sqlite ``` Its primary user interface is `curl` (or perhaps `httpie`). Assuming a `dataclerk` server is live at `clerk.example.com:4499`, we're able to register channels and begin to record entries: ``` $ curl -X PUT localhost:4499/v1/channel/mesh $ curl localhost:4499/+/mesh -d unit=borg-h1a42 -d status=ok ``` On the backend, a new table has been created within Sqlite database at `iot-logs.sqlite` called "mesh". The second line has created a new row within that within that table: * **id** `1` * **created\_at** `2019-04-09 08:37:42` * **uuid** `641c8210-5aa2-11e9-8b61-674d210d2b16` * **data** `{"unit":"borg-h1a42","status":"ok"}` Adding data to `dataclerk` should be very fast. You should expect a response within 10ms, although the system may be constrained by how long things take to be stored onto physical storage media. You can see from the logs generated from this session that that we used around 3-4ms to make changes: ``` $ dataclerk localhost:4499 iot-logs.sqlite [2019-04-09T09:04:48Z INFO dataclerk] Hello! [2019-04-09T09:04:48Z INFO actix_server::builder] Starting 12 workers [2019-04-09T09:04:48Z INFO actix_server::builder] Starting server on 127.0.0.1:4499 [2019-04-09T09:05:14Z INFO dataclerk] registering channel "mesh" [2019-04-09T09:05:14Z INFO actix_web::middleware::logger] "PUT /v1/channel/mesh HTTP/1.1" 201 0 "-" "curl/7.61.0" 0.033640 [2019-04-09T09:05:46Z DEBUG dataclerk] recv: channel:"mesh", data: {"status": "ok", "unit": "borg-h1a42"} [2019-04-09T09:05:46Z INFO actix_web::middleware::logger] "POST /+/mesh HTTP/1.1" 204 0 "-" "curl/7.61.0" 0.04191 ^C[2019-04-09T09:07:53Z INFO actix_server::builder] SIGINT received, exiting [2019-04-09T09:07:53Z INFO dataclerk] Goodbye ``` ### Package name * dataclerk --- ### License * Other Open Source --- ### Last updated * 10 April 2019 - latest/stable * 10 April 2019 - latest/edge This snap hasn't been updated in a while. It might be unmaintained and have stability or security issues. --- ### Websites * [github.com/timClicks/dataclerk](https://github.com/timClicks/dataclerk "https://github.com/timClicks/dataclerk") --- ### Contact * [tim.mcnamara@canonical.com](mailto:tim.mcnamara@canonical.com "mailto:tim.mcnamara@canonical.com") --- ##### Report a Snap Store violation * [Report this Snap](https://snapcraft.io/install/dataclerk/centos#report-snap-modal) --- ## Enable snaps on CentOS and install dataclerk Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully. Snaps are discoverable and installable from the [Snap Store](https://snapcraft.io/store), an app store with an audience of millions. ### Enable snapd Snap is available for [CentOS 7.6+](https://snapcraft.io/install/dataclerk/centos), and Red Hat Enterprise Linux 7.6+, from the [Extra Packages for Enterprise Linux](https://fedoraproject.org/wiki/EPEL) (EPEL) repository. The EPEL repository can be added to your system with the following command: ``` sudo yum install epel-release ``` Snap can now be installed as follows: ``` sudo yum install snapd ``` Once installed, the *systemd* unit that manages the main snap communication socket needs to be enabled: ``` sudo systemctl enable --now snapd.socket ``` To enable *classic* snap support, enter the following to create a symbolic link between `/var/lib/snapd/snap` and `/snap`: ``` sudo ln -s /var/lib/snapd/snap /snap ``` Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly. ### Install dataclerk To install dataclerk, simply use the following command: ``` sudo snap install dataclerk ``` ### Other popular snaps… [See more...](https://snapcraft.io/search?categories=featured) [See more in Featured](https://snapcraft.io/search?categories=featured) ### More things to do… #### [Get the snap store](https://snapcraft.io/snap-store) Browse and find snaps from the convenience of your desktop using the snap store snap. #### [Learn more about snaps](https://snapcraft.io/docs) Interested to find out more about snaps? Want to publish your own application? Visit [snapcraft.io](https://snapcraft.io/) now. [Back to top](https://snapcraft.io/install/dataclerk/centos) © 2026 Canonical Ltd. Ubuntu and Canonical are registered trademarks of Canonical Ltd. 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