Updating Ruby from source

This guide explains how to update Ruby in case you installed it from source according to the instructions in https://gitlab.com/gitlab-org/gitlab-ce/blob/masterdoc/install/installation.md#2-ruby .

1. Look for Ruby versions

This guide will only update /usr/local/bin/ruby. You can see which Ruby binaries are installed on your system by running:

ls -l $(which -a ruby)

2. Stop GitLab

sudo service gitlab stop

3. Install or update dependencies

Here we are assuming you are using Debian/Ubuntu.

sudo apt-get install build-essential zlib1g-dev libyaml-dev libssl-dev libgdbm-dev libreadline-dev libncurses5-dev libffi-dev curl

4. Download, compile and install Ruby

Find the latest stable version of Ruby 1.9 or 2.0 at https://www.ruby-lang.org/en/downloads/ . We recommend at least 2.0.0-p353, which is patched against CVE-2013-4164.

cd /tmp
curl --progress http://cache.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p353.tar.gz | tar xz
cd ruby-2.0.0-p353
./configure --disable-install-rdoc
make
sudo make install # overwrite the existing Ruby in /usr/local/bin
sudo gem install bundler

5. Reinstall GitLab gem bundle

Just to be sure we will reinstall the gems used by GitLab. Note that the bundle install command depends on your choice of database.

cd /home/git/gitlab
sudo -u git -H rm -rf vendor/bundle  # remove existing Gem bundle
sudo -u git -H bundle install --deployment --without development test postgres aws # Assuming MySQL

6. Start GitLab

We are now ready to restart GitLab.

sudo service gitlab start

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