灵感/技术来源： Red Hat Enterprise Linux 官方文档 Kdump 官方配置文档 grubby 手册 https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_real_time/8/html/installing_rhel_8_for_real_time/configuring-kdump-on-the-command-line_installing-rhel8-for-real-time#configurin...