I had a shiny app working till last month on EC2 of AWS.
Today when I launched the ubuntu server (EC2) and went to the IP address and signed into the rstudio default user, the rstudio IDE opens up exactly where I left off last time. But strangely the mouse does not click - no buttons can be clicked. Keyboard is also frozen - nothing appears on the console when I type. Even escape key also does not work. So it's a complete freeze.
Killed the browser tab and started again, and again the same frozen state of rstudio IDE.
What could be wrong?
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