wget 命令失败，linux centos 使用国内源如果解决

[root@www yum.repos.d]# wget https://mirrors.tuna.tsinghua.edu.cn/jenkins/redhat/jenkins-2.345-1.1.noarch.rpm
--2022-05-25 03:05:05--  https://mirrors.tuna.tsinghua.edu.cn/jenkins/redhat/jenkins-2.345-1.1.noarch.rpm
Resolving mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)... 101.6.15.130, 2402:f000:1:400::2
Connecting to mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)|101.6.15.130|:443... connected.
ERROR: cannot verify mirrors.tuna.tsinghua.edu.cn's certificate, issued by ‘/C=US/O=Let's Encrypt/CN=R3’:
  Issued certificate has expired.
To connect to mirrors.tuna.tsinghua.edu.cn insecurely, use `--no-check-certificate'.　　

提示镜像源证书过期，在执行命令后面加上 --no-check-certificate 即可

[root@www yum.repos.d]# wget https://mirrors.tuna.tsinghua.edu.cn/jenkins/redhat/jenkins-2.345-1.1.noarch.rpm  --no-check-certificate
--2022-05-25 03:07:12--  https://mirrors.tuna.tsinghua.edu.cn/jenkins/redhat/jenkins-2.345-1.1.noarch.rpm
Resolving mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)... 101.6.15.130, 2402:f000:1:400::2
Connecting to mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)|101.6.15.130|:443... connected.
WARNING: cannot verify mirrors.tuna.tsinghua.edu.cn's certificate, issued by ‘/C=US/O=Let's Encrypt/CN=R3’:
  Issued certificate has expired.
HTTP request sent, awaiting response... 200 OK