红帽全球峰会22.2. 重启 GDM
当您更改系统配置时，如设置登录屏幕横幅消息、登录屏幕徽标或登录屏幕背景时，请重新启动 GDM 以使更改生效。
警告
重启 gdm 服务会终止当前登录的桌面用户正在运行的所有 GNOME 会话。这可能会导致用户丢失未保存的数据。
流程
要重启 GDM 服务，请运行以下命令：
# systemctl restart gdm.service
流程
要显示 GDM 配置的结果，请运行以下命令：
$ DCONF_PROFILE=gdm gsettings list-recursively org.gnome.login-screen
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