
1 基础知识
2.1 R Markdown
2.1.1 R Markdown的简介
– R Markdown可以将分析数据转换为高质量的文档、报告、演示文稿和仪表板
2.1.2 R Markdown的特点
– R Markdown文档支持复制
– R Markdown支持文本和代码嵌套排版显示
– R Markdown支持多种语言(R、Python、SQL)
– R Markdown支持数十中静态和动态输出格式(HTML、PDF、MS Word、Beamer、HTML5幻灯片、Tufte风格讲义等)
2.2 Shiny
2.2.1 Shiny的简介
– Shiny是一个R包
– Shiny可以在R中构建交付式Web应用程序
2.2.2 Shiny的特点
– Shiny支持嵌入到R Markdown中
– Shiny支持构建仪表板
– Shiny支持CSS、htmlwidgets和JavaScript扩展
2.3 Shiny-Server的简介
Shiny-Server是Shiny的Web服务端实现
2 最佳实践
2.1 环境配置
2.1.1 系统环境配置
OS = CentOS 8.x x86_64
Host Name = rstudio.cmdschool.org
IP Address = 10.168.0.68
2.1.2 关闭SELinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config setenforce 0
2.2 安装R
2.2.1 下载指定版本的安装包
export R_VERSION=4.1.2 curl -O https://cdn.rstudio.com/r/centos-8/pkgs/R-${R_VERSION}-1-1.x86_64.rpm
2.2.2 安装R包
yum install R-${R_VERSION}-1-1.x86_64.rpm
2.2.3 设置环境变量
export R_VERSION=4.1.2 ln -s /opt/R/${R_VERSION}/bin/R /usr/local/bin/R ln -s /opt/R/${R_VERSION}/bin/Rscript /usr/local/bin/Rscript
设置完毕后,可使用如下命令确认设置,
R --version
2.3 安装shiny
R -e "install.packages('shiny', repos='https://cran.rstudio.com/')"
如果使用普通用户调用root则使用如下命令,
sudo su - \ -c "R -e \"install.packages('shiny', repos='https://cran.rstudio.com/')\""
安装完毕后,可以使用如下命令验证,
R -e 'packageVersion("shiny")'
另外,建议安装如下包,
R -e "install.packages('rmarkdown',repos='https://cran.rstudio.com/')"
2.4 安装shiny-server
2.4.1 安装软件包
wget https://download3.rstudio.org/centos7/x86_64/shiny-server-1.5.17.973-x86_64.rpm yum install --nogpgcheck shiny-server-1.5.17.973-x86_64.rpm
另外,其他版本请从如下链接下载,
https://www.rstudio.com/products/shiny/download-server/
安装完毕后,可以使用如下命令查看倾听的端口,
netstat -antp | grep shiny-ser
可见如下显示,
tcp6 0 0 :::3838 :::* LISTEN 79226/shiny-server
2.4.2 服务控制相关命令(可选)
systemctl start shiny-server.service systemctl stop shiny-server.service systemctl restart shiny-server.service systemctl status shiny-server.service systemctl disable shiny-server.service systemctl enable shiny-server.service
2.4.3 开放防火墙端口
firewall-cmd --permanent --add-port 3838/tcp firewall-cmd --reload firewall-cmd --list-all
2.4.4 修改存储目录
mkdir -p /data/shiny-server cp -r /opt/shiny-server/samples/* /data/shiny-server/ chown shiny:shiny -R /data/shiny-server chmod 775 -R /data/shiny-server vim /etc/shiny-server/shiny-server.conf
配置修改如下,
# Instruct Shiny Server to run applications as the user "shiny" run_as shiny; # Define a server that listens on port 3838 server { listen 3838; # Define a location at the base URL location / { # Host the directory of Shiny Apps stored in this directory site_dir /data/shiny-server; # Log all Shiny output to files in this directory log_dir /var/log/shiny-server; # When a user visits the base URL rather than a particular application, # an index of the applications available in this directory will be shown. directory_index on; } }
配置修改完毕后,需要重载使配置生效,
systemctl reload shiny-server.service
2.4.4 浏览器测试
http://10.168.0.68:3838/
参阅文档
============
RMarkdown简介
————
https://rmarkdown.rstudio.com/index.html
Shiny的简介
————–
https://shiny.rstudio.com/
Shiny-Server的简介
————–
https://github.com/rstudio/shiny-server
https://www.rstudio.com/products/shiny/shiny-server/
下载地址
————–
https://www.rstudio.com/products/shiny/download-server/
https://www.rstudio.com/products/shiny/download-server/redhat-centos/
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