Rails keeps telling me that it’s not currently installed
If you’re running a rails command immediately after installing rails, you will need to restart your terminal before your commands will be recognized.
rvm
rails server fails to start with mysql2 using rvm & ruby 1.9.2-p0 on OSX 10.6.5
The problem comes from the mysql2 gem missing the dynamic library from MySQL. A cleaner solution than install_name_tool … would need to update your DYLD_LIBRARY_PATH to add MySQL libs to it. To do so, update your ~/.bash_profile to add the MySQL library folder : export DYLD_LIBRARY_PATH=”/usr/local/mysql/lib:$DYLD_LIBRARY_PATH” Note: You might want to update the MySQL location … Read more
rvm installation not working: “RVM is not a function”
You need to run the following $ source ~/.rvm/scripts/rvm then run this $ type rvm | head -n 1 and if you get rvm is a function the problem is solved. You also need to run user$ rvm requirements to see dependency requirements for your operating system Source: https://rvm.io/rvm/install/ I forget mention that you need … Read more
Can’t install Ruby under Lion with RVM – GCC issues
This answer was edited multiple times and now contains several alternative solutions. Try the simple “Edit 3” solution first. Ruby 1.9.3-p125 and later have official support for clang, so if you are installing such a version you should not need GCC. If you’re installing an older version of Ruby, read on. To compile Ruby with … Read more
Installed Ruby 1.9.3 with RVM but command line doesn’t show ruby -v
You have broken version of RVM. Ubuntu does something to RVM that produces lots of errors, the only safe way of fixing for now is to: sudo apt-get –purge remove ruby-rvm sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh open new terminal and validate environment is clean from old RVM settings (should be no output): env | … Read more
SSL Error When installing rubygems, Unable to pull data from ‘https://rubygems.org/
For RVM & OSX users Make sure you use latest rvm: rvm get stable Then you can do two things: Update certificates: rvm osx-ssl-certs update all Update rubygems: rvm rubygems latest For non RVM users Find path for certificate: cert_file=$(ruby -ropenssl -e ‘puts OpenSSL::X509::DEFAULT_CERT_FILE’) Generate certificate: security find-certificate -a -p /Library/Keychains/System.keychain > “$cert_file” security find-certificate … Read more
How to remove RVM (Ruby Version Manager) from my system
There’s a simple command built-in that will pull it: rvm implode This will remove the rvm/ directory and all the rubies built within it. In order to remove the final trace of rvm, you need to remove the rvm gem, too, if you installed that: gem uninstall rvm There may be elements left over from … Read more