当进入ssh部分时，vagrant up失败：
myterminal$ vagrant up
[default] VM already created. Booting if its not already running...
[default] Running any VM customizations...
[default] Clearing any previously set forwarded ports...
[default] Forwarding ports...
[default] -- ssh: 22 => 2222 (adapter 1)
[default] -- db2: 30003 => 30003 (adapter 1)
[default] Cleaning previously set shared folders...
[default] Creating shared folders metadata...
[default] Booting VM...
[default] Waiting for VM to boot. This can take a few minutes.
[default] Failed to connect to VM!
Failed to connect to VM via SSH. Please verify the VM successfully booted
by looking at the VirtualBox GUI.
然后，当我随后尝试使用vagrant ssh或vagrant reload或类似方法进行连接时，得到以下信息：
myterminal$ vagrant reload
[default] Attempting graceful shutdown of linux...
SSH connection was refused! This usually happens if the VM failed to
boot properly. Some steps to try to fix this: First, try reloading your
VM with `vagrant reload`, since a simple restart sometimes fixes things.
If that doesn't work, destroy your VM and recreate it with a `vagrant destroy`
followed by a `vagrant up`. If that doesn't work, contact a Vagrant
maintainer (support channels listed on the website) for more assistance.
请帮忙！我真的很为难。
亲切的问候，
路加
我在安装程序中遇到了这个问题，最终将其范围缩小到了我在本地主机文件上添加了一个名称的事实。所以我有：
127.0.0.1 localhost myname myalias
删除了myalias我添加的内容，它可以正常启动。感谢@saphirlazuli提供了与网络相关的线索。
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我来说两句