因为VirtualBox的版本与vagrant版本不匹配，我们换一下VirtualBox的版本，将版本换成5.2.16，比较稳定。下载地址：
Mac电脑：https://download.virtualbox.org/virtualbox/5.2.26/VirtualBox-5.2.26-128414-OSX.dmg Window电脑：https://download.virtualbox.org/virtualbox/5.2.26/VirtualBox-5.2.26-128414-Win.exe
下载安装完成后，继续执行vagrant up
如果又出现了错误OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 54
可以查看文章：安装vagrant报错OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 54
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背景今天在部署一个平台容器版的时候redis集群始终无法正常启动，报以下错误：Liveness probe failed: Could not connect to Redis at localhost:6379解决过程排除dns解析问题因为报localhost无法访问首先修改成127.0.0.1排除是dns解析的问题，改完后仍然报错，只不过localhost改成127.0.0.1了。
Server Error in '/' Application.A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provid
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