在 ubuntu 19.04 上安装 ruby 版本 2.1.1 时，出现错误 -
rvm install ruby-2.1.1
Searching for binary rubies, this might take some time.
No binary rubies available for: ubuntu/19.04/x86_64/ruby-2.1.1.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for ubuntu.
Removing undesired packages: libssl-dev....
Installing requirements for ubuntu.
Updating system....
Installing required packages: libssl1.0-dev....
Error running 'requirements_debian_libs_install libssl1.0-dev',
please read /home/user/.rvm/log/1560773845_ruby-2.1.1/package_install_libssl1.0-dev.log
Requirements installation failed with status: 100.