Linux启动Postfix报错Job for postfix.service failed because the control process exited with error code.See "systemctl status postfix.service" and "journalctl -xe" ...
错误信息namespaces.c: In function ‘setns’:namespaces.c:187: error: ‘SYS_setns’ undeclared (first use in this function)namespaces.c:187: error: (Each undeclared i...