1. PHP REQUIREMENT LINK : https://lycheeorg.github.io/docs/installation.html#server-requirements
2. Installer is at http://{{URL}}/public
3. Upgrade is disabled as user name and password are reset after upgrade due to major structural changes from 3.1 to 3.2. Mentioned here:
https://github.com/LycheeOrg/Lychee/issues/278 Provide upgrade in next release as upgrade is possible from 3.2.x to 3.2.x
4. Comment security policy header in .htaccess in our zip i.e Header set Content-Security-Policy "default-src 'self'; style-src 'self' 'unsafe-inline'; script-src 'self'; connect-src 'self' https://lycheeorg.github.io; form-action 'none'; base-uri 'none'; frame-ancestors 'none'; upgrade-insecure-requests; block-all-mixed-content;" . This is needed to install the script on non https servers.(Needed while manual installation as well). Mentioned here :
https://lycheeorg.github.io/docs/
5. Upgrade method https://lycheeorg.github.io/docs/update.html#update-manually
6. We have enabled upgrade from 4.0.x versions.
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