Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App Post: 303043645

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Top Forums Programming Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App Post 303043645 by Neo on Sunday 2nd of February 2020 11:52:53 PM

02-03-2020

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I see folks on FB are starting to show interest in this app, so here are the steps to get started, for those who do not want login:

(1) Download and install the IoT-OnOff app. Basic use is free and that is all you need. Note, I am not the creator of this app and have no relationship with the creator at all.

Configure the app as follows.

(2) Go to settings:

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_0465ajpg

(3) Then go to MQTT Broker and add the IP address of the MQTT server / service (and make sure all the other settings are the exact same as in the photo):

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_450213596df6-1jpeg

(3) Then go to the Authentication screen and add the user name and password to the broker service:

The user name is: <contact me, or reply back asking for user name>
The password is: <contact me, or reply back asking for password>

There is no "hidden meaning" to the user name and password, I just used them at random when I first installed and tested the MQTT message broker Smilie

Make sure you turn on "authentication" at the bottom of that screen:

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_52044ea2d923-1jpeg

(4) Next you configure your dashboard (just take a few minutes, see next post):

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pam_chauthtok

pam_chauthtok(3)					     Library Functions Manual						  pam_chauthtok(3)

NAME

       pam_chauthtok - perform password related functions within the PAM framework

SYNOPSIS

       [ flag ... ] file ...  [ library ... ]

DESCRIPTION

       is called to change the authentication token associated with a particular user referenced by the authentication handle, pamh.

       The following flag may be passed in to

       The password service should not generate any messages.

       The password service should only update those passwords that have aged.
	      If this flag is not passed, all password services should update their passwords.

       Upon  successful  completion of the call, the authentication token of the user will be changed in accordance with the password service con-
       figured in the system through pam.conf(4).

   Notes
       The flag is typically used by a application which has determined that the user's password has aged or expired.  Before allowing the user to
       login, the application may invoke with this flag to allow the user to update the password.  Typically applications such as passwd(1) should
       not use this flag.

       performs a preliminary check before attempting to update passwords. This check is performed for each password module in the stack as listed
       in  pam.conf(4).   The  check  may  include  pinging remote name services to determine if they are available. If returns then the check has
       failed, and passwords are not updated.

APPLICATION USAGE

       Refer to pam(3) for information on thread-safety of PAM interfaces.

RETURN VALUE

       Upon successful completion, is returned.  In addition to the error return values described in pam(3), the following values may be returned:

       No permission.

       Authentication token manipulation error.

       Authentication information cannot be recovered.

       Authentication token lock busy.

       Authentication token aging disabled.

       User unknown to password service.

       Preliminary check by password service failed.

SEE ALSO

       pam(3), pam_start(3), pam_authenticate(3).

																  pam_chauthtok(3)