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Server: Apache
System: Linux sg241.singhost.net 2.6.32-896.16.1.lve1.4.51.el6.x86_64 #1 SMP Wed Jan 17 13:19:23 EST 2018 x86_64
User: honghock (909)
PHP: 8.0.30
Disabled: passthru,system,shell_exec,show_source,exec,popen,proc_open
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File: //var/softaculous/admidio/notes.txt
1. we have disabled auto upgrade because upgrade utility asks for login details to update the database. Enable it later if it works
2. Select Timezone : America/New_York
3. PHP REQUIREMENT LINK : https://www.admidio.org/download.php
4. We don't exclude the installation folder i.e /adm_program/installation/ from install.xml, as the script needs some files from installation folder. 
Also it's not mentioned in their documentation to do so.