RVM无法加载公钥解决方法

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1.安装curl

sudo yum install curl

2. 安装RVM

curl -L get.rvm.io | bash -s stable

一: 错误：

$ curl -sSL https://get.rvm.io | bash -s stable
Downloading https://github.com/rvm/rvm/archive/1.26.11.tar.gz…
Downloading https://github.com/rvm/rvm/releases/download/1.26.11/1.26.11.tar.gz.asc…
gpg: failed to create temporary file `/home/cky/.gnupg/.#lk0x2518060.cky-pc.29930’: 权限不够
gpg: 密钥块资源‘/home/cky/.gnupg/pubring.gpg’：常规错误
gpg: 于 2015年03月31日星期二 05时52分13秒 CST 创建的签名，使用 RSA，钥匙号 BF04FF17
gpg: 无法检查签名：找不到公钥
二：解决方法：
**$ curl -sSL https://rvm.io/mpapis.asc | gpg –import -
$ gpg –keyserver hkp://http://keys.gnupg.net –recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
接下来再次执行：
$ curl -sSL https://get.rvm.io | bash -s stable
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 184 100 184 0 0 229 0 –:–:– –:–:– –:–:– 229
100 22721 100 22721 0 0 21250 0 0:00:01 0:00:01 –:–:– 6802k
Downloading https://github.com/rvm/rvm/archive/1.26.11.tar.gz
Downloading https://github.com/rvm/rvm/releases/download/1.26.11/1.26.11.tar.gz.asc
gpg: Signature made Tue 31 Mar 2015 05:52:13 CST using RSA key ID BF04FF17
gpg: Good signature from “Michal Papis (RVM signing) mpapis@gmail.com”
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 409B 6B17 96C2 7546 2A17 0311 3804 BB82 D39D C0E3
Subkey fingerprint: 62C9 E5F4 DA30 0D94 AC36 166B E206 C29F BF04 FF17
GPG verified ‘/home/charles/.rvm/archives/rvm-1.26.11.tgz’

Installing RVM to /home/charles/.rvm/
Adding rvm PATH line to /home/charles/.profile /home/charles/.mkshrc /home/charles/.bashrc /home/charles/.zshrc.
Adding rvm loading line to /home/charles/.profile /home/charles/.bash_profile /home/charles/.zlogin.
Installation of RVM in /home/charles/.rvm/ is almost complete:

*To start using RVM you need to run source /home/charles/.rvm/scripts/rvm
in all your open shell windows, in rare cases you need to reopen all shell windows.
# Thank you for using RVM!
# We sincerely hope that RVM helps to make your life easier and more enjoyable!!!
#
~Wayne, Michal & team.

这时我们以安装好了RVM,接下来就可以使用RVM安装ruby了：

source /usr/local/rvm/scripts/rvm

4. 查看rvm库中已知的ruby版本

rvm list known

5. 安装一个ruby版本

rvm install 2.3.3

6. 使用一个ruby版本

rvm use 2.3.3

7. 设置默认版本

rvm remove 2.0.0

8. 卸载一个已知版本

ruby --version