FastRWeb 安装

1、安装R 环境
  http://blog.chinaunix.net/uid-25135004-id-4173752.html
2、安装 cairo   
# R CMD INSTALL  cairo-1.12.14.tar.xz 
  1)报错
    Error in untar2(tarfile, files, list, exdir, restore_times) : 
    unsupported entry type ‘’
   解决方法：
    export R_INSTALL_TAR=tar

  2)报错
  configure: error: Cannot find cairo.h! Please install cairo () and/or set CAIRO_CFLA
  解决方法：
   yum install cairo-devel

installing to /usr/local/lib64/R/library/Cairo/libs
** R
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
* DONE (Cairo)

3、安装 FastRWeb 
# R CMD INSTALL FastRWeb_1.1-0.tar.gz 

touch null.so null.dll # to make R CMD SHLIB happy
installing to /usr/local/lib64/R/library/FastRWeb/libs
** R
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
* DONE (FastRWeb)

4、安装Rserve  

# R CMD INSTALL Rserve_1.7-3.tar.gz 

installing via 'install.libs.R' to /usr/local/lib64/R/library/Rserve
** R
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
* DONE (Rserve)

5、初始化FastRWeb

 1)cd /usr/local/lib64/R/library/FastRWeb
 2)# sh install.sh 
  Done.
  Please check files in /var/FastRWeb/code
  If they match tour setup, you can start Rserve using
  /var/FastRWeb/code/start

6、配置FastRWeb 
cd /var/FastRWeb/code/
 1)配置rserve.conf
  cp rserve.conf rserve.confbak
  vi rserve.conf

http.port 80
remote enable
source /var/FastRWeb/code/rserve.R
control enable

 2)配置 rserve.R
  cp rserve.R  rserve.Rbak
  vim rserve.R（在文件上的最上面增加2行代码）
  

library(FastRWeb)
.http.request <- FastRWeb:::.http.request

7、启动 FastRWeb 
 ./start 

Starting Rserve on slave1
Loading packages...
XML: FALSE
Cairo: TRUE
Matrix: TRUE
FastRWeb: TRUE
Rserv started in daemon mode.

8、查看启动端口
# lsof -i:80
COMMAND  PID USER   FD   TYPE  DEVICE SIZE/OFF NODE NAME
Rserve  7564 root    4u  IPv4 3676662      0t0  TCP *:http (LISTEN)

9、访问
访问本机ip 





example1.png 相对应的代码  /var/FastRWeb/web.R/example1.png.R

# create an image
# some browsers and/or web server are more happy if you call you script foo.png.R instead of foo.R so they can guess the MIME type from the name
run <- function(...) {
  p <- WebPlot(600, 600)
  plot(rnorm(100), rnorm(100), pch = 19, col = 2)
  p
}