红帽全球峰会2.2. 显示命令帮助
显示命令行界面中的命令和子命令在线帮助。
注意
-h 选项仍然显示所有可用命令的帮助信息。
先决条件
- 一个正在运行的 Red Hat Ceph Storage 集群。
- 客户端节点的根级别访问权限。
流程
使用
rbd help命令显示特定rbd命令及其子命令的帮助信息：语法
rbd help COMMAND SUBCOMMAND
rbd help COMMAND SUBCOMMANDCopy to Clipboard Copied! Toggle word wrap Toggle overflow 显示
snap list命令的帮助信息：rbd help snap list
[root@rbd-client ~]# rbd help snap listCopy to Clipboard Copied! Toggle word wrap Toggle overflow
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