centos6.8编译安装python2.7之后,使用pip报错:pip cannot confirm SSL certificate: SSL module is not available 解决方法: 安装openssl-devel 后重新编译安装python ref: https://stackoverflow.com/questions/25981703/pip-install-fails-with-connection-error-ssl-certificate-verify-fail…

Could not fetch URL https://pypi.python.org/simple/xlrd/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:661) - skipping Could not find a version that satisfies the require…

参考: Problem Confirming the SSL Certificate - OSX OS X EI Captain 下解决 There was a problem confirming the ssl certificate 问题 在安装 matplotlib 时,出现以下错误: python3 -mpip install matplotlib Collecting matplotlib Could not fetch URL https://pypi.python.org/sim…

chenhuimingdeMacBook-Pro:groceryList Mch$ sudo pip3 install beautifulsoup4 The directory '/Users/Mch/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and o…

最近项目不忙了~~有开始专研的python大业,上来想用pip安装一个第三方的库,就一直报错: Could not fetch URL https://pypi.org/simple/xrld/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/xrld/ (Cause…

pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=4…

首先pyspider all启动pyspider的所有服务,然后访问http://localhost:5000创建一个爬虫任务:taobaomm,点开任务链接编辑http://localhost:5000/debug/taobaomm,默认模板:   右侧为代码编辑区,可以在crawl_config里做一些配置,具体可以参考官网API文档:http://docs.pyspider.org/en/latest/apis/self.crawl/#validate_cert,Handler共实现了三个…

Prerequisites Before we get started, here are the web tools you need for this tutorial: Google Chrome browser Apache installed on your VPS (cloud server) A domain name you own Access to an email address at that domain, either: postmaster@duable.co ho…

SSL certificate problem unable to get local issuer certificate 解决办法: 下载:ca-bundle.crt 将它放在自己的wamp或者xampp目录下,如 c:\wamp\ ca-bundle.crt 在Apache中开启mod_ssl ,在php.ini开启php_openssl.dll 在php.ini文件中添加ca-bundle.crt的文件路径,如: curl.cainfo="C:/wamp/ca-bundle.crt&qu…

About Self-Signed Certificates 自签证书.一个SSL证书,是加密网站的信息,并创建更安全的链接的一种方式.附加地,证书可以给网站浏览者显示VPS的的身份证明信息.如果一个SSC没有第三方证实,那么证书作者可以发行SSL证书,用以验证虚拟服务器的细节. Step One-Install Mod SSL 为了设置自签名证书,我们先要确保Apache和Mod SSL已经在VPS上安装.你可以通过下面的命令安装他们: yum install mod_ssl Step Two…