SelfHelp plugin - survey-js

This is a SelfHelpPlugin that is used for Rserve integration

Installation

Download the code into the plugin folder
Checkout the latest version
Execute all .sql script in the DB folder in their version order
If there is a survey with upload files, the files are store in the DB. Then it should be adjusted the size max_allowed_packet in MYSQL .ini file. The default one is 1MB

Requirements

SelfHelp v6.3.0+
Rserve -server

R installation

sudo apt-get install r-base
sudo apt-get install r-base-dev # required for installing packages
for tidyverse: sudo apt-get -y install r-cran-tidyverse

Rserve Installation

install Rserve

install.packages("Rserve") library(Rserve) Rserve(args="--RS-enable-remote --RS-worker-threads=8")

#start process manually R CMD Rserve --vanilla --RS-conf /etc/Rserv.conf

check process

ps aux | grep Rserve

kill process

killall -INT Rserve

install libraries for httr package

sudo apt install libcurl4-openssl-dev sudo apt install libssl-dev install.packages("httr")

Sudo su instal R, instal Rserve

create file sudo vim /etc/Rserv.conf

auth required remote enable plaintext enable pwdfile /etc/Rserve_users.txt

create file with users sudo vim /etc/Rserve_users.txt

stefan 1234 bashev q1w2

create service sudo vim /etc/systemd/system/rserve.service

[Unit] Description=Rserve - R server

[Service] Type=forking ExecStart=/usr/bin/R CMD Rserve --vanilla --RS-conf /etc/Rserv.conf

[Install] WantedBy=default.target

reload the daemon sudo systemctl daemon-reload

Install packages - use this script. The installation on Linux takes time because everything is compiled. This will happen only the first time when is installed

`install_if_missing <- function(package_name) { if (!require(package_name, character.only = TRUE, quietly = TRUE)) { install.packages(package_name, dependencies = TRUE, repos = "https://cran.r-project.org") library(package_name, character.only = TRUE) } }

install_if_missing("tidyverse")`

humdek-unibe-ch / sh-shp-r_serve