Installing shiny on AWS EC2 ubuntu 20.4 fail - r

Question

I keep struggling installing shiny on a ubuntu 20.4 vm on EC2.
I followed this procedure.
Then I tried:
install.packages("shiny")
install.packages("shiny", dependencies = T)
install.packages("shiny", dependencies = T, INSTALL_opts ='--no-lock')
I also add 4GB of SWAP memory.
But no way...
Here are my outputs:
** R
** demo
** byte-compile and prepare package for lazy loading Error: package ‘promises’ was installed before R 4.0.0: please re-install it
Execution halted ERROR: lazy loading failed for package ‘httpuv’
removing ‘/usr/local/lib/R/site-library/httpuv’ ERROR: dependency ‘openssl’ is not available for package ‘httr’
removing ‘/usr/local/lib/R/site-library/httr’ ERROR: dependency ‘textshaping’ is not available for package ‘ragg’
removing ‘/usr/local/lib/R/site-library/ragg’ ERROR: dependency ‘httpuv’ is not available for package ‘shiny’
removing ‘/usr/local/lib/R/site-library/shiny’ ERROR: dependency ‘httr’ is not available for package ‘webdriver’
removing ‘/usr/local/lib/R/site-library/webdriver’ ERROR: dependencies ‘httr’, ‘shiny’, ‘webdriver’, ‘httpuv’ are not available
for package ‘shinytest’
removing ‘/usr/local/lib/R/site-library/shinytest’
The downloaded source packages are in
‘/tmp/RtmpGvP9AB/downloaded_packages’ Warning messages: 1: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘openssl’ had non-zero exit status 2: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘textshaping’ had non-zero exit status 3: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘httpuv’ had non-zero exit status 4: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘httr’ had non-zero exit status 5: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘ragg’ had non-zero exit status 6: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘shiny’ had non-zero exit status 7: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘webdriver’ had non-zero exit status 8: In
install.packages("shiny", dependencies = TRUE) : installation of
package ‘shinytest’ had non-zero exit status
Each time I try to install a dependency "by hand", an other missing one, deeper nested, shows up.
Could someone help me with this, please ?

Answer 1

Not sure if you were able to solve your issues. Recently I also faced similar issues in trying to install Shiny server and related packages in EC2. I researched a bit and came across a Rstudio server AMI (Amazon Machine Image)- https://www.louisaslett.com/RStudio_AMI/, maintained by Louis Aslett. You can choose the AMI from the nearest region and once the instance is up and running, you can directly start using R-studio or Shiny. I find it very helpful.

Answer 2

To install openssl R package, you'll also need system-wide installation of the samename package. You could try something like sudo apt-get install openssl. Search the internet for dependencies of other packages.