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View all FAQs about Project Deployment and End-user Installation

Scanner source is listed on XSane application but not on my web application on Linux machines

Symptom

On Linux machines, the scanner can be accessed using the XSane application and it can successfully scan. But the scanner does not show on the web application integrated with Dynamic Web TWAIN even after the Dynamic Web TWAIN Service (also called “Dynamsoft Service”) is installed.

Cause

Dynamic Web TWAIN Service is not installed correctly.

Please follow the steps below to reinstall Dynamic Web TWAIN Service:

Run the following commands

su
usermod -aG wheel XXX ps:XXX is current username

Restart the terminal under current user

Run the following command

sudo rpm -i DynamicWebTWAINServiceSetup.rpm
OR
sudo dpkg -i DynamicWebTWAINServiceSetup.deb

If the above does not resolve the issue, please follow the troubleshooting steps below.

Run the command below and check whether the process (DynamsoftScanningMgr) has started.
```
ps aux | grep dynamsoft
```

Does the below command list out the source?

bash /opt/dynamsoft/DynamicWebTWAINService/DynamsoftScanning list

Please check the logs here: /var/log/syslog

Please follow the steps below to reinstall Dynamsoft Service:

Run the following commands

su
usermod -aG wheel XXX ps:XXX is current username

Restart the terminal under current user

Run the following command

sudo rpm -i DynamsoftServiceSetup.rpm
OR
sudo dpkg -i DynamsoftServiceSetup.deb

If the above does not resolve the issue, please follow the troubleshooting steps below.

Run the command below and check whether the process (DynamsoftScanningMgr) has started.
```
ps aux | grep dynamsoft
```

Does the below command list out the source?

bash /opt/dynamsoft/DynamsoftService/DynamsoftScanning list

Please check the logs here: /var/log/syslog

For further support, please email support@dynamsoft.com and include any screenshots and logs collected.

Original post creation date: Apr 13, 2022

Last modified date: Oct 21, 2022