wget https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2020.11-Linux-x86_64.sh
--2023-10-17 21:36:56-- https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2020.11-Linux-x86_64.sh
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'.
[ ~/software]$ wget --no-check-certificate https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2020.11-Linux-x86_64.sh
--2023-10-17 21:37:44-- https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2020.11-Linux-x86_64.sh
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... 403 Forbidden
2023-10-17 21:37:44 ERROR 403: Forbidden.
[rnx]# wget https://pRC3.tgz
--2023-09-22 16:01:04-- https://pC3.tgz
正在解析主机 pecl.php.net (pecl.php.net)... 104.236.228.160
正在连接 pecl.php.net (pecl.php.net)|104.236.228.160|:443... 已连接。
错误: 无法验证 pecl.php.net 的由 “/C=US/O=Let's Encrypt/CN=R3” 颁发的证书:
颁发的证书已经过期。
要以不安全的方式连接至 pecl.php.net，使用“--no-check-certificate”。
解决方法
yum install ca-certificates
[ ~/software]$ yum install ca-certificates
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
You need to be root to perform this command.