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Ubuntu 12.04 LTS Server

I'm relatively new to Unix/Ubuntu. I need to install the ruby gem libopenssl-ruby.

I know that Ubuntu LTS versions maintain lists of authorized package versions. apt-get update will sync-up the local copy of these lists , and apt-get upgrade will upgrade all installed packages to the latest authorized versions.

apt-get install libopenssl-ruby will install the libopenssl-ruby gem, but will this potentially pull-down a version of libopenssl-ruby ( and its dependencies ) that are not authorized for Ubuntu 12.04 LTS?

What is best practice for installing a gem on an Ubuntu LTS release?

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As long as you're using apt-get and you haven't modified any of the source repositoires from which apt-get pulls packages you should be completely fine in installing a gem in this fashion.

Going forward if you need to install lots of gems or need to have multiple versions of Ruby you might want to give the application rvm a try.

rvm aka. Ruby Version Manager is a tool for managing your own local versions of Ruby + Gems outside of the Ruby that comes with your distro.

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  • Thanks for the response slm. Could you please explain more about the source repositories from which apt-get pulls packages, and why/how these would have been modified ? Commented Jul 18, 2013 at 21:06
  • @BaltoStar - if you poke around on a Debian/Ubuntu box you'll see this file: /etc/apt/sources.list as well as files under here: /etc/apt/sources.list.d/*. These are the source repository definitions where apt will look to pull software from. Commented Jul 18, 2013 at 21:23
  • Ok, so these are the source repo defs updated by apt-get update ... is that what you meant by "modified" ? Commented Jul 18, 2013 at 23:05
  • @BaltoStar - correct. Commented Jul 18, 2013 at 23:50

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