X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/4e8c321b344d8ec23de7ee7c68b2553d87defb67..3ea8a43af615fc16cb8884a7bda78093c449542c:/doc/_includes/_install_ruby_and_bundler.liquid

diff --git a/doc/_includes/_install_ruby_and_bundler.liquid b/doc/_includes/_install_ruby_and_bundler.liquid
index e79cffb7f8..f33a067072 100644
--- a/doc/_includes/_install_ruby_and_bundler.liquid
+++ b/doc/_includes/_install_ruby_and_bundler.liquid
@@ -30,13 +30,13 @@ Install prerequisites for Debian 7 or 8:
     libssl-dev libxslt1.1 zlib1g-dev
 </span></code></pre></notextile>
 
-Install prerequisites for CentOS 6:
+Install prerequisites for CentOS 6 or 7:
 
 <notextile>
 <pre><code><span class="userinput">sudo yum install \
     libyaml-devel glibc-headers autoconf gcc-c++ glibc-devel \
     patch readline-devel zlib-devel libffi-devel openssl-devel \
-    automake libtool bison sqlite-devel
+    make automake libtool bison sqlite-devel tar
 </span></code></pre></notextile>
 
 Install prerequisites for Ubuntu 12.04 or 14.04:
@@ -59,5 +59,5 @@ cd ruby-2.1.7
 make
 sudo make install
 
-sudo gem install bundler</span>
+sudo -i gem install bundler</span>
 </code></pre></notextile>