排除网络原因的前提下 是 权限问题  用 sudo 来 执行命令即可  sudo  gem sources -a https://gems.ruby-china.org/…

执行换源操作 gem source -a https://gems.ruby-china.org/ 时报错: Error fetching https://gems.ruby-china.org/: bad response Not Found 404 (https://gems.ruby-china.org/specs.4.8.gz) 原因是服务域名更换了,打开报错地址:https://gems.ruby-china.org/,会有如下图提示,将org后缀改为com即可 解决办法: 将后缀.o…

[ WARN ] Keyword 'Capture Page Screenshot' could not be run on failure: URLError: <urlopen error [Errno 10061] Connection refused>…

[时间]2014年2月25日 [平台]ubuntu 12.04.3 openstack havana  with nova-network in multi-host [日志]实例启动时输出的日志内容如下: ... ...- util.py[WARNING]: /120s]: url error [[Errno ] Connection refused] ... - DataSourceEc2.py[CRITICAL]: giving up on md after seconds ... [情景…

redis集群配置中 >gem sources -a https://ruby.taobao.org/ Error fetching https://gems.ruby-china.org/: SSL_connect returned=1 errno=0 state=error: certificate verify failed (https://gems.ruby-china.org/specs.4.8.gz) 出现了这个问题..在百度上找了好多资料都不行: https://stackove…

问题: I am trying to connect to a postgres database installed in a remote server using the following command: psql -h host_ip -U db_username -d db_name This the error that occurs: psql: could not connect to server: Connection refused Is the server runn…

$ pip install redis>>> import redis>>> conn = redis.Redis()>>> conn.keys('*')Traceback (most recent call last): File "/home/henry/.local/lib/python3.5/site-packages/redis/connection.py", line 484, in connect sock = sel…

今天安装了一个CocoaPods,在安装淘宝ruby是遇到了问题 bogon:~ zhch$ gem sources -a http://ruby.taobao.org/ Error fetching http://ruby.taobao.org/: bad response Not Found 404 (http://ruby.taobao.org/specs.4.8.gz) 在网上查询原因,说是网络不好,需要重试几次.我重试几次之后,依然报上边的错误. 后来发现是网址不对:http应该改成h…

升级ruby版本,有时候安装ruby的版本过低,需要进行升级,例如安装在centos6.7安装fpm需要ruby版本在1.9以上. 1.主机环境如下: 1 [root@test ~]# cat /etc/redhat-release 2 CentOS release 6.7 (Final) 3 [root@test ~]# uname -r 4 2.6.32-573.el6.x86_64 2.使用yum安装ruby 1 [root@web ~]# yum install rubygems rub…

一直学 REACT + METEOR 但路由部分有点问题,参考一下:基于 React.js + Redux + Bootstrap 的 Ruby China 示例 http://react-china.org/t/react-js-redux-bootstrap-ruby-china/8752 示例的演示地址:http://ruby-china.liuzhen.me/   很好!!! React.js + RubyChina 项目 代码地址: https://github.com/liuzhen…