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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
Old 02-03-2020
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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KDESU(1)							 KDE User's Manual							  KDESU(1)

NAME
kdesu - Runs a program with elevated privileges SYNOPSIS
kdesu [-c command] [-d] [-f file] [-i icon name] [-n] [-p priority] [-r] [-s] [-t] [-u user] [--noignorebutton] [--attach winid] kdesu [KDE Generic Options] [Qt Generic Options] DESCRIPTION
KDE su is a graphical front end for the UNIX(R)su command for the K Desktop Environment. It allows you to run a program as different user by supplying the password for that user. KDE su is an unprivileged program; it uses the system's su. KDE su has one additional feature: it can optionally remember passwords for you. If you are using this feature, you only need to enter the password once for each command. This program is meant to be started from the command line or from .desktop files. Since kdesu is no longer installed in $(kde4-config --prefix)/bin but in kde4-config --path libexec and therefore not in your Path, you have to use $(kde4-config --path libexec)kdesu to launch kdesu. OPTIONS
-c command This specifies the command to run as root. It has to be passed in one argument. So if, for example, you want to start a new file manager, you would enter at the prompt: $(kde4-config --path libexec)kdesu -c Dolphin -d Show debug information. -f file This option allow efficient use of KDE su in .desktop files. It tells KDE su to examine the file specified by file. If this file is writable by the current user, KDE su will execute the command as the current user. If it is not writable, the command is executed as user user (defaults to root). file is evaluated like this: if file starts with a /, it is taken as an absolute filename. Otherwise, it is taken as the name of a global KDE configuration file. -i icon name Specify icon to use in the password dialog. You may specify just the name, without any extension. -n Do not keep the password. This disables the keep password checkbox in the password dialog. -p priority Set priority value. The priority is an arbitrary number between 0 and 100, where 100 means highest priority, and 0 means lowest. The default is 50. -r Use realtime scheduling. -s Stop the kdesu daemon. This is the daemon that caches successful passwords in the background. This feature may also be disabled with -n when KDE su is initially run. -t Enable terminal output. This disables password keeping. This is largely for debugging purposes; if you want to run a console mode app, use the standard su instead. -u user While the most common use for KDE su is to run a command as the superuser, you can supply any user name and the appropriate password. --noignorebutton Do not display an ignore button. --attach winid Makes the dialog transient for an X app specified by winid. SEE ALSO
su(1) More detailed user documentation is available from help:/kdesu (either enter this URL into Konqueror, or run khelpcenter help:/kdesu). EXAMPLES
Run kfmclient as user jim, and show the Konqueror icon in the password dialog: $(kde4-config --path libexec)kdesu -u jim -i konqueror kfmclient AUTHORS
KDE su was written by Geert Jansen<jansen@kde.org> and Pietro Iglio<iglio@fub.it>. AUTHOR
Lauri Watts <lauri@kde.org> Author. K Desktop Environment 2010-09-18 KDESU(1)
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