您没有对/var/lib/gems/1.9.1 目录的写入权限 [英] You don't have write permissions into the /var/lib/gems/1.9.1 directory

问题描述

对于我尝试安装的所有 gem，我收到此错误:

I got this error, for all gem that I try to install:

错误:执行 gem 时 ... (Gem::FilePermissionError)您没有对 /var/lib/gems/1.9.1 目录的写入权限.

ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions into the /var/lib/gems/1.9.1 directory.

obs.我在 Ubuntu 14 上运行.

obs. I'm running on Ubuntu 14.

推荐答案

根据问题我看到几个步骤，以便允许写入 /var/lib/gems:

According the question I see a few steps in order to allow writing to /var/lib/gems:

1. 创建 gems(如果没有的话)组，并将自己添加到组中:

1. Create gems (if not any) group, and add yourself to the group:

$ groupadd -f gems
$ usermod -aG gems $(whoami)

重新进入会话时:

When reenter to the session:

$ sudo -u $(whoami) bash

允许为 gems 组写入 /var/lib/gems/，并设置 setgid 位:

Allow write for a gems group to /var/lib/gems/, and set the setgid bits:

$ chown :gems /var/lib/gems/
$ chmod g+sw /var/lib/gems/

尝试将 gem 安装到 /var/lib/gems/.

注意:我强烈建议您通过 rbenv/rvm 将它们保存在本地主文件夹中.请参阅答案了解如何正确设置您的项目.

NOTE: I strongly advice you to control rubies and gems via rbenv/rvm keeping them in a local home folder. Please refer to the answer to know how to properly setup your project.

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