System commands to kill port processes tend to take out rstudio on ubuntu 19.10. On my system if I do the following, I crash my session:
library(RSelenium)
rD1 <- rsDriver(browser="chrome",port=4567L, chromever = "79.0.3945.36")
system("kill -9 $(lsof -t -i:4567)")
Sys.sleep(1)
Session Info:
> sessionInfo()
R version 3.6.1 (2019-07-05)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 19.10
Matrix products: default
BLAS: /usr/lib/x86_64-linux-gnu/blas/libblas.so.3.8.0
LAPACK: /usr/lib/x86_64-linux-gnu/lapack/liblapack.so.3.8.0
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 LC_PAPER=en_US.UTF-8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] RSelenium_1.7.5 compiler_3.6.1 assertthat_0.2.1 tools_3.6.1 wdman_0.2.4 binman_0.1.1 Rcpp_1.0.3
[8] caTools_1.17.1.3 openssl_1.4.1 bitops_1.0-6 semver_0.2.0 XML_3.98-1.20 askpass_1.1