Symptoms
After starting a migration in Tools & Settings > Migration & Transfer Manager the pre-migration check shows the following warnings:
The following Apache modules are not installed on the destination server: <module_name>
Cause
Additional Apache module from Source server isn't installed on a destination.
Resolution
Note: No need to apply the below solution if the module is from here, ignore the warning.
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Connect to the destination server via SSH.
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Install the missing module as follows depending on the OS installed:
Note: change the "<module_name>" in the command below to the correct one.
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For RPM-based systems:
# yum install <module_name>
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For Debian-based systems:
# apt install <module_name>
Note: Sometimes module name in the error message does not coincide with the corresponding package.
In order to find the correct module name use the package search tool:-
For RPM-based systems:
# yum search <module_name> | grep -i apache
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For Debian-based systems:
# apt search <module_name> | grep -i apache
Note: change the "<module_name>" in the command below to the correct one.
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Additional information
How to enable/disable Apache modules shipped with Plesk