ubuntu terminal:
// install liferay-portal-glassfish-6.2-ce-ga4 first then overwrite with liferay-portal-glassfish-6.2-ce-ga5
cd liferay/glassfish/bin && sudo chmod a+x ./asadmin
sudo ./asadmin start-domain
sudo ./asasdmin
create-jdbc-connection-pool --datasourceclassname org.postgresql.ds.PGSimpleDataSource --restype javax.sql.DataSource --property User=<DATABASEUSER>:DatabaseName=<DATABASENAME>:LogLevel=0:Password=password:ServerName=<localhost || IP>:Ssl=false:ProtocolVersion=0:TcpKeepAlive=false:SocketTimeout=0:PortNumber=5432:LoginTimeout=0:UnknownLength=2147483647:PrepareThreshold=5
//JDBC connection pool name
create-jdbc-resource
//JDBC resource name
//JDBC connection pool name

browser:
localhost:8080 > disable sample data / change database to PostgreSQL

//portal-setup-wizard.properties
admin.email.from.address=test@liferay.com
admin.email.from.name=Test Test
jdbc.default.driverClassName=org.postgresql.Driver
jdbc.default.password=password
jdbc.default.url=jdbc:postgresql://localhost:5432/<Database name>
jdbc.default.username=postgres
liferay.home=/home/<USER>/liferay
setup.wizard.enabled=false

//portal-ext.properties
jdbc.default.driverClassName=org.postgresql.Driver
jdbc.default.password=password
jdbc.default.username=postgres
jdbc.default.url=jdbc:postgresql://localhost:5432/<DATABASENAME>
auth.simultaneous.logins=false
layout.show.portlet.access.denied=true
live.users.enabled=true
organizations.membership.strict=true
organizations.search.with.index=false
passwords.change.on.first.use=true
session.timeout=5
session.timeout.auto.extend=true
theme.shortcut.icon=favicon.ico
user.timezone=Asia/Manila
users.search.with.index=false