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Let's Encrypt or Commercial Certificates?
Let's Encrypt is a free, automated, and open certificate authority (CA), run for the public's benefit. It is a service provided by the Internet Security Research Group (ISRG).
Resolving the 'Cannot Import Name Appengine' Error When Using Certbot with Nginx on Ubuntu 22.04.2
urllib3 was installed by both apt and pip.
自建机房响应SSL错误：SSL routines::wrong version number Unable to establish SSL connection
最近我们公司的机房在外网被使用cURL访问https链接的时候常有报错，但用浏览器访问网站又一切正常。 大概10次有9次会出现这个错误： SSL routines::wrong version number Unable to establish SSL connection 同时，使用certbot部署的证书也无法更新，一直都报错Unauthroized或者DNS未找到。 排查下来发现有少数几个…
Fix Nginx SSL Permission Denied (0200100D) error
Fix Nginx SSL Permission Denied (0200100D) error by restoring SELinux Security Contexts of the certificate files.
Let's Encrypt Authority X3 证书在iOS上加载缓慢是因为某个特色
最新有新的 WebApp 项目上线，发现在 Android 上打开速度很快，却在 iOS 上打开缓慢，调查下来发现是由于Let's Encrypt Authority X3证书的验证服务器域名被大防火墙认证了造成。 目前尝试下来是好的方案还是弃用Let's Encrypt Authority X3证书。 比如我到腾讯云白嫖了一个证书，顺利解决问题。腾讯云向每个账号免费颁发一定数量的二级证书，不支持…
How to Install Certbot with Nginx on Linux
Certbot is a handy command-line tool for Let's Encrypt, enabling you to set up and update SSL certificates effortlessly via straightforward commands. Though the official guide suggests using snapd for…
Bootstrap a GitLab pipeline in no time
Requirements A VPS or Linux machine with more than 4GB RAM; Docker and docker-compose installed; Linux OS; GitLab team officially stated the requirement for RAM is 2GB, but I am sure you really need…