带有R 3.5.1的OpenCPU

Question

从昨天开始，一切都很好，因为我使用的是openCPU和R 3.4.4。今天我尝试在一个全新的ubuntu 16.04系统中安装R 3.5.1，因为我遇到了一个软件包的问题。因此，我所做的如下：

# Repos for R3.5.1
sudo add-apt-repository ppa:marutter/rrutter3.5
sudo add-apt-repository ppa:marutter/c2d4u
# Repos for opencpu
sudo add-apt-repository -y ppa:opencpu/opencpu-2.0
sudo apt-get update && sudo apt upgrade
# Installs OpenCPU server
sudo apt-get install -y opencpu-server

一切似乎都很正常，直到我尝试访问http:/ip/ocpu/test，但页面从未加载。然后我搜索了一下阿帕奇的errorlog

Error: package ‘unix’ was installed by an R version with different
internals; it needs to be reinstalled for use with this R version 
From directive RSourceOnStartup on line 7 of
/etc/apache2/sites-enabled/opencpu.conf. Using locale: en_US.UTF-8 
Error: package ‘unix’ was installed by an R version with different
internals; it needs to be reinstalled for use with this R version 
From directive RSourceOnStartup on line 7 of
/etc/apache2/sites-enabled/opencpu.conf.

然后，我打开一个R会话，并尝试加载unix库，该库已按预期加载，并且没有任何问题。

有什么想法吗？opencpu和R 3.5.2之间是否存在冲突？

Answer 1

实际上，位于/usr/lib/opencpu/library的openCPU有自己的库，这些包需要重新编译。因此，我做了以下工作：

pkgs <- as.data.frame(installed.packages(lib.loc="/usr/lib/opencpu/library/"))
pkgs <- as.character(pkgs$Package)
install.packages(pkgs, lib="/usr/lib/opencpu/library/")

现在，一切似乎都在运转。