rbenv

问题 I'm install ruby 2.1.2 via rbenv, and rbenv is installed by homebrew on my MAC OSX 10.9.2, ruby global is successful set to 2.1.2, but when i try to run gem install, get some errors below. MacBook-Pro:~ user1$ gem install bundler ERROR: Loading command: install (LoadError) cannot load such file -- zlib ERROR: While executing gem ... (NoMethodError) undefined method `invoke_with_build_args' for nil:NilClass How to solve it, does anyone faced same problems before? 回答1: You need to install the

问题 I moved from RVM to rbenv on my production server. I uninstalled rvm using "rvm implode" and installed rbenv, ruby 1.9.2 , rails, passenger and nginx-module. I have not modified my originlal nginx.conf apart from changing the passenger_root as follows: 1st Try: passenger_root /root/.rbenv/versions/1.9.2-p290/lib/ruby/gems/1.9.1/gems/passenger-3.0.9; passenger_ruby /root/.rbenv/versions/1.9.2-p290/bin/ruby; 2nd Try: passenger_root /root/.rbenv/shims/passenger; passenger_ruby /root/.rbenv/shims

问题 I'm currently experiencing an issue with my new rails application, more specifically: Rails 5.2.0 Ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin17] rvm 1.29.4 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io] When I run rails c , it produces a warning links to fileutils gem as the following: `/usr/local/Cellar/ruby/2.5.1/lib/ruby/2.5.0/fileutils.rb:90:` `warning:` `already` initialized constant FileUtils::VERSION /usr/local/lib/ruby/gems/2.5.0/gems

问题 I'm currently experiencing an issue with my new rails application, more specifically: Rails 5.2.0 Ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin17] rvm 1.29.4 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io] When I run rails c , it produces a warning links to fileutils gem as the following: `/usr/local/Cellar/ruby/2.5.1/lib/ruby/2.5.0/fileutils.rb:90:` `warning:` `already` initialized constant FileUtils::VERSION /usr/local/lib/ruby/gems/2.5.0/gems

问题 In Ubuntu 10.04 I just installed rbenv. The install command it is not present. rbenv 0.4.0-49-g8b04303 Usage: rbenv <command> [<args>] Some useful rbenv commands are: commands List all available rbenv commands local Set or show the local application-specific Ruby version global Set or show the global Ruby version shell Set or show the shell-specific Ruby version rehash Rehash rbenv shims (run this after installing executables) version Show the current Ruby version and its origin versions List

问题 I tried to get rvm uninstalled in order to use rbenv on my Mac. Everything works fine until ruby comes into play.. when using rbenv install 1.9.3-p194 it compiles it correctly, but after that I'd like to install bundler.. this produces the following error computer:~ computer$ gem install bundler /Users/computer/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/psych.rb:203:in `parse': (<unknown>): mapping values are not allowed in this context at line 1 column 34 (Psych::SyntaxError) from /Users

问题 How do you uninstall rbenv on OSX? My version of rbenv is messed up, and brew uninstall rbenv isn't working because brew relies on ruby. 回答1: I took these steps to successfully get rid of rbenv on my mac running El Capitan (10.11.4). Rbenv is a major cause of Failed to build gem native extension errors from my experience. Remove using brew: brew remove rbenv Delete .rbenv directory: rm -rf ~/.rbenv Open .bash_profile file and delete any lines with rbenv in them: vi ~/.bash_profile Open

问题 I am interested in how RVM and rbenv actually work. Obviously they swap between different versions of Ruby and gemsets, but how is this achieved? I had assumed they were simply updating symlinks, but having delved into the code (and I must admit my knowledge of Bash is superficial) they appear to be doing more than this. 回答1: Short explanation: rbenv works by hooking into your environment's PATH . The concept is simple, but the devil is in the details; full scoop below. First, rbenv creates

问题 I'm using Homebrew rbenv. brew doctor comes out fine. rbenv install 2.0.0-p451 gives the following error message: user$ rbenv install 2.0.0-p451 Downloading ruby-2.0.0-p451.tar.gz... -> http://dqw8nmjcqpjn7.cloudfront.net/9227787a9636551f1749ee8394b5ffe5 Installing ruby-2.0.0-p451... BUILD FAILED Inspect or clean up the working tree at /var/folders/4h/ty8nj6c144b5cmhcrt0hd3cw0000gn/T/ruby-build.20140501101240.6245 Results logged to /var/folders/4h/ty8nj6c144b5cmhcrt0hd3cw0000gn/T/ruby-build

问题 I'm trying to deploy my Rails app project to my Digital Ocean vps using this guide. When it says: cap production deploy:check I get a error: DEBUG [8906f2ab] Running /usr/bin/env [ ! -d ~/.rbenv/versions/2.1.2 ] on 178.62.204.53 DEBUG [8906f2ab] Command: [ ! -d ~/.rbenv/versions/2.1.2 ] DEBUG [8906f2ab] Finished in 1.320 seconds with exit status 0 (successful). ERROR rbenv: 2.1.2 is not installed or not found in ~/.rbenv/versions/2.1.2 I ran: rbenv install 2.1.2 Which resulted in: Downloading