Hello,
I am getting same message as before....
Installation
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Building data structures... Done
RStudio Server
RStudio is a set of integrated tools designed to help you be more productive with R. It includes a console, syntax-highlighting editor that supports direct code execution, as well as tools for plotting, history, and workspace management.
Do you want to install the software package? [y/N]:y
Selecting previously unselected package rstudio-server.
(Reading database ... 281755 files and directories currently installed.)
Preparing to unpack rstudio-server-1.2.1572-amd64.deb ...
Unpacking rstudio-server (1.2.1572) ...
Setting up rstudio-server (1.2.1572) ...
useradd: user 'rstudio-server' already exists
groupadd: group 'rstudio-server' already exists
rstudio-server start/spawned, process 18869
sudo rstudio-server verify-installation
25 Aug 2019 00:01:05 [rserver] ERROR system error 98 (Address already in use); OCCURRED AT: rstudio::core::Error rstudio::core::http::initTcpIpAcceptor(rstudio::core::http::SocketAcceptorService<rstudio_boost::asio::ip::tcp>&, const string&, const string&) /var/lib/jenkins/workspace/IDE/open-source-pipeline/v1.2-patch/src/cpp/core/include/core/http/TcpIpSocketUtils.hpp:103; LOGGED FROM: int main(int, char* const*) /var/lib/jenkins/workspace/IDE/open-source-pipeline/v1.2-patch/src/cpp/server/ServerMain.cpp:502