issues : Login in RStudio, SWIRL Package installation and R 3.1.0 installation

Tried to access Rstudio via HTTP using default port 8787. http://localhost:8787.

Error
In my first login i was given root as a username and password. got below error

cannot login to rtudio server on Debian (RStudio initialization error) Unable to connect to service (RStudio initialization error)

Solution
Create new user called ruser.

root@solaiv[bin]# adduser ruser

Adding user `ruser' ...
Adding new group `ruser' (1002) ...
Adding new user `ruser' (1002) with group `ruser' ...
Creating home directory `/home/ruser' ...
Copying files from `/etc/skel' ...
Enter new UNIX password: 
Retype new UNIX password: 
passwd: password updated successfully 

Refreshed the browser and login with newly created user credentials

Error
R version 3.1.0, while configure R

root@solaiv[R-3.1.0]# ./configure

configure: error: --with-readline=yes (default) and headers/libs are not available configure: error: --with-x=yes (default) and X11 headers/libs are not available

Solution
do not need R to be built with this library, you can simply set with-readline to "no":

root@solaiv[R-3.1.0]# ./configure --with-x=no --with-readline=no

Error
while installing "SWIRL" packages

> install.packages("swirl")

Cannot find curl-config
ERROR: configuration failed for package "RCurl"
* removing "/usr/local/lib/R/library/RCurl"
ERROR: dependency "RCurl" is not available for 
package "httr"

* removing "/usr/local/lib/R/library/httr"
ERROR: dependencies "httr", "RCurl" are not 
available for package "swirl"

* removing "/usr/local/lib/R/library/swirl"

Solution

> install.packages("swirl", dependencies=TRUE)

still getting the same error, install and re-try

root@solaiv[R-3.1.0]# apt-get install libcurl4-openssl-dev

root@solaiv[R-3.1.0]# apt-get install libxml2-dev

root@solaiv[R-3.1.0]# R

> install.packages("swirl", dependencies=TRUE)

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