一：软件版本

dmetl版本：dmetl5_V5.03.13-Build(2022.08.24-113648)_Linux_64_std.zip
Kingbase版本：KingbaseES_V008R006C007B0012_Lin64_install.iso

1.修改金仓数据库sys_hba.conf配置文件，红色圈着的是默认配置

2.修改第五列scram-sha-256为trust

四：重启kingbase数据库

[kingbase@centos7 V8]$ service kingbase8d restart
Stopping KingbaseES V8: 
waiting for server to shut down.... done
server stopped
Starting KingbaseES V8: 
waiting for server to start.... done
server started
KingbaseES V8 started successfully

五：测试连接