CentOS is the free-ware version of RedHat Enterprise Server. Therefore, CentOS is an extremely light-weight stable linux operating system and is an excellent choice to build a web platform. The current version of CentOS is 8.

Whether you have a stand-along or cloud machine, i.e., Amazon's AWS, once minimal CentOS is installed, the following procedure will setup your server to a working web server that is dynamically driven by Python 3, Web2Py, and the PostGreSQL backend database server. A very powerful and fully customizable web server and the choice for this website.

> nano /etc/hosts
127.0.0.1   localhost iquanta.info iquanta.org
#lucas...commenting out the next line speeds up localhost lookup tremendously
#::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
>> Ctrl-X, Save? >> Y, Enter 

Setting the timezone of the server is done with:

> date
> timedatectl set-timezone America/New_York
> date

which also sets the /etc/localtime symbolic link to /etc/usr/share/zoneinfo/America/New_York.

And to set the default client timezone under PostGreSQL update two lines in /var/lib/pgsql/data/postgresql.conf:

> nano /var/lib/pgsql/data/postgresql.conf 
#------------------------------------------------------------------------------
# CONNECTIONS AND AUTHENTICATION
#------------------------------------------------------------------------------
# - Connection Settings -

listen_addresses = '*'

#------------------------------------------------------------------------------
# CLIENT CONNECTION DEFAULTS
#------------------------------------------------------------------------------
# - Locale and Formatting -

timezone = 'America/New_York'

>> Ctrl-X, Save? >> Y, Enter 

> nano /var/lib/pgsql/data/pg_hba.conf 
#lucas...change local access from ident to trust...
# "local" is for Unix domain socket connections only
local   all             all                                     peer
# IPv4 local connections:
#host    all             all             127.0.0.1/32            ident
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
#host    all             all             ::1/128                 ident
host    all             all             ::1/128                 md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local   replication     all                                     peer
#host    replication     all             127.0.0.1/32            ident
#host    replication     all             ::1/128                 ident
#lucas...from lab acess only...
host    all             alternate_login_user        226.166.31.0/24          md5
>> Ctrl-X, Save? >> Y, Enter 
>systemctl restart postgresql