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# Running the aLIGO RTS processes under systemd
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The RTS now includes [systemd](https://freedesktop.org/wiki/Software/systemd) integration for the RCG modules and the various components of the DAQD system. If you're installing the RTS from native debian packaging systemd support is automatically installed.
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For RCG models it is recommended to use the `rtcds` command line interface that comes with the `advligorts-rcg` package for building and installing real-time modules, and enabling/starting/stopping the module processes.
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The DAQD components are managed directly with systemd via `systemctl`. The various available services are:
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* `rts-daqd.service`: the main DAQD service
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* `rts-local_dc.service`: the local data concentrator
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* `rts-nds.service`: back-end NDS1 data source
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* `rts-edc.service`: stand-alone EPICS data recorder
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* `rts-run_number.service`: run number server
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The services are controlled via `systemctl`:
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```shell
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$ sudo systemctl enable rts-daqd.service
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$ sudo systemctl start rts-daqd.service
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$ sudo systemctl stop rts-daqd.service
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```
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The various distributed front end transport mechanisms (available in separate `advligorts-transport-*` packages) also include service units:
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```shell
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$ sudo systemctl enable --now rts-zmq_xmit.service
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```
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## config for systemd services
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The main advligorts config location is the `/etc/advligorts/env` environment file. |
