Un-managed servers based on Apache have option to enable or disable modules accordingly. mod_expires and mod-headers are used for caching.
If you have already installed Apache on un-managed server, you can enable or disable Apache modules using SSH login.
Please note that anything you change in your server, a restart is needed to make that change effective.
Now login to server using SSH console and continue below steps:
To enable mod_headers:
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sudo a2enmod headers |
To enable mod_expires:
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sudo a2enmod expires |
after completing the server update, you need to restart Apache server to make these changes effective. Enter below line in your SSH console to restart Apache.
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service apache2 restart |
Or else reboot your server by following code in SSH:
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reboot |
thank you for this tip