gem 安装报错：SSL verification error at depth 2: certificate has expired (10)
Certificate /C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA expired
官方答案
1. Download from above
2. Unpack into a directory and cd there
3. Install with: ruby setup.rb
报错如下
ERROR: SSL verification error at depth 2: certificate has expired (10)
ERROR: Certificate /C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA expired at 2014-01-28T12:00:00Z
ERROR: SSL verification error at depth 2: certificate has expired (10)
ERROR: Certificate /C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA expired at 2014-01-28T12:00:00Z
ERROR: SSL verification error at depth 2: certificate has expired (10)
ERROR: Certificate /C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA expired at 2014-01-28T12:00:00Z
ERROR: Could not find a valid gem 'bundler' (>= 0), here is why:
Unable to download data from https://rubygems.org/ - SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://api.rubygems.org/specs.4.8.gz)
ERROR: SSL verification error at depth 2: certificate has expired (10)
ERROR: Certificate /C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA expired at 2014-01-28T12:00:00Z
解决方案
cd /tmp
wget https://rubygems.org/rubygems/rubygems-3.3.11.tgz
tar zxf rubygems-3.3.11.tgz
cd rubygems-3.3.11
ruby setup.rb
参考