yum 出现epel错误,如何处理!

yum的时候出现一下错误: Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again简单粗暴的解决方案是:yum --disablerepo=epel -y update ca-certificates

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Letsencrypt免费CA证书过期后续期

用Letsencrypt建立了IKE v2的VPN,证书过期后如何处理!!sudo ~/.local/share/letsencrypt/bin/letsencrypt renewcd /etc/letsencrypt/live/域名/ cp -f chain.pem /root/ca.cert.pem cp -f cert.pem /root/server.cert.pem cp -f priv

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