高版本MySQL占用资源有点多，安装5.7也够用。 wget https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.44-linux-glibc2.12-x86_64.tar.gz tar z……

vi /etc/systemd/resolved.conf 打开resolved.conf文件写入 DNS=8.8.8.8#dns.google 8.8.4.4#dns.google 2001:4860:4860::8888#dns.google 2001:4860:4860::8……