If you installed pgagent with yum or apt-get, it should have created the systemd file for you. For example, on RHEL 8 (essentially CentOS 8), you can instal ...
安装了新版的XE10.4.1,发现使用DataSnap的客户端连接服务时报"Error querying header (12019). The handle is in the wrong state."的错误,中文提示是"用户验证发生错误,原因:Error querying header (12019)要求 ...