Rstudio server 绘图报错如下
No protocol specified
Error in RStudioGD() :
Shadow graphics device error: r error 4 (R code execution error)
In addition: Warning message:
In grDevices:::png("/tmp/RtmpviG1D3/25b75e70d311432085cf86d366b2551e.png", :
unable to open connection to X11 display ''
解决办法
install.packages("Cairo")
library(Cairo)
options(bitmapType='cairo')
plot(cars)
