Automatic start on Linux Systems with systemctl

Some newer versions of Linux, as there are RHEL 7 and CentOS 7.x, uses the systemctl to start applications at boot.

To enable the Uniface License server DLM to start using systemctl take the next steps.

Create a new service unit file at /etc/systemd/system/dlm.service with content:

dlm.service

    [Unit]
    Description=Uniface DLM services
    After=network.target

    [Service]
    Type=oneshot
    ExecStart=/opt/Compuware/dlm/Linux/amd64/cpwr -start
    ExecStop=/opt/Compuware/dlm/Linux/amd64/cpwr -stop
    SuccessExitStatus=0 1
    TimeoutStartSec=0
    RemainAfterExit=yes

    [Install]
    WantedBy=default.target

Note: change the path to the cpwr process name to your actual path if it deviates from the default.

make process executable
```
 # chmod 755 dlm.service
```
Reload the systemd process to consider newly created dlm.service
```
# systemctl daemon-reload
```
Enable the service
```
# systemctl enable dlm.service
```

Test systemctl start

    # systemctl start dlm
    # ps -ef | grep cpwr

Test systemctl stop

    # systemctl stop dlm
    # ps -ef | grep cpwr

Reboot system to test
```
    # reboot
    # ps - ef | grep cpwr
```

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Automatic start on Linux Systems with systemctl