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etcdctl:tldr:3e6ee
etcdctl: Store a key-value pair, reading the value from a file.
$ etcdctl put ${my-file} < ${filename-txt}
try on your machine
The command etcdctl put ${my-file} < ${filename.txt}
is using the etcdctl
tool to store a value in the etcd
distributed key-value store.
Here's a breakdown of the command:
etcdctl
: It is a command-line interface for interacting with theetcd
key-value store.etcd
is a distributed, consistent, and highly available key-value store used for storing shared configuration and service discovery.put
: It is the command used withetcdctl
to store a value in the key-value store. It takes a key and a value as parameters.${my-file}
: It is the key or path under which the value will be stored in the key-value store.${my-file}
is a placeholder for the actual key or path.<
: It is the input redirection operator that takes the content from the file specified after it and passes it as input to the command before it.${filename.txt}
: It is the name of the file from which the value will be read and stored in the key-value store.${filename.txt}
is a placeholder for the actual file name.
So, in summary, the command etcdctl put ${my-file} < ${filename.txt}
will read the contents of ${filename.txt}
and store them with the key ${my-file}
in the etcd
key-value store.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.