Fix some error during installation

Target on ubuntu 14.04

Author: mitivic

rails-install-ubuntu.sh

@@ -9,7 +9,7 @@ echo "Updates packages. Asks for your password."
 sudo apt-get update -y
 
 echo "Installs packages. Give your password when asked."
-sudo apt-get install build-essential git-core curl openssl libssl-dev libcurl4-openssl-dev zlib1g zlib1g-dev libreadline libreadline-dev libreadline6 libreadline6-dev libyaml-dev libsqlite3-dev libsqlite3-0 sqlite3 libxml2-dev libxslt1-dev python-software-properties libffi-dev libgdm-dev libncurses5-dev automake autoconf libtool bison postgresql postgresql-contrib libpq-dev pgadmin3 libc6-dev nodejs -y
+sudo apt-get --ignore-missing install build-essential git-core curl openssl libssl-dev libcurl4-openssl-dev zlib1g zlib1g-dev libreadline libreadline-dev libreadline6 libreadline6-dev libyaml-dev libsqlite3-dev libsqlite3-0 sqlite3 libxml2-dev libxslt1-dev python-software-properties libffi-dev libgdm-dev libncurses5-dev automake autoconf libtool bison postgresql postgresql-contrib libpq-dev pgadmin3 libc6-dev nodejs -y
 
 echo "Installs ImageMagick for image processing"
 sudo apt-get install imagemagick --fix-missing -y
@@ -34,7 +34,7 @@ echo -e "Now we are going to print some information to check that everything is
 echo -n "Should be sqlite 3.8.1 or higher: sqlite "
 sqlite3 --version
 echo -n "Should be rvm 1.26.11 or higher:         "
-rvm --version | sed '/^.*$/N;s/\n//g' | cut -c 1-10
+rvm --version | sed '/^.*$/N;s/\n//g' | cut -c 1-11
 echo -n "Should be ruby 2.2.2:                "
 ruby -v | cut -d " " -f 2
 echo -n "Should be Rails 4.2.1 or higher:         "