解决：Connecting to |0.0.0.0|:443... failed: Connec

报错信息：

[root@master ~]# wget https:///flannel-io/flannel/master/Documentation/
--2022-11-17 21:51:56--  https:///flannel-io/flannel/master/Documentation/
Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 0.0.0.0, ::
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|0.0.0.0|:443... failed: Connection refused.
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|::|:443... failed: Connection refused.

解决

[root@master ~]#   vi /etc/hosts
185.199.110.133 raw.githubusercontent.com

重新执行

[root@master ~]# wget https:///flannel-io/flannel/master/Documentation/
--2022-11-17 21:54:56--  https:///flannel-io/flannel/master/Documentation/
Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 185.199.110.133
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|185.199.110.133|:443... connected.
HTTP request sent, awaiting response... Read error (Success.) in headers.
Retrying.

--2022-11-17 21:55:19--  (try: 2)  https:///flannel-io/flannel/master/Documentation/
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|185.199.110.133|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4583 (4.5K) [text/plain]
Saving to: ‘kube-flannel.yml’

kube-flannel.yml              100%[================================================>]   4.48K  --.-KB/s    in 0s      

2022-11-17 21:55:19 (109 MB/s) - ‘kube-flannel.yml’ saved [4583/4583]