MySQL :: MySQL 8.4 Reference Manual :: 25.5.24 ndb_secretsfile_reader — Obtain Key Information from an Encrypted NDB Data File

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25.5.24 ndb_secretsfile_reader — 从加密的 NDB 数据文件中获取密钥信息

ndb_secretsfile_reader gets the encryption key from an NDB encryption secrets file, given the password.

ndb_secretsfile_reader options file

The options must include one of --filesystem-password or --filesystem-password-from-stdin, and the encryption password must be supplied, as shown here:

> ndb_secretsfile_reader --filesystem-password=54kl14 ndb_5_fs/D1/NDBCNTR/S0.sysfile
ndb_secretsfile_reader: [Warning] Using a password on the command line interface can be insecure.
cac256e18b2ddf6b5ef82d99a72f18e864b78453cc7fa40bfaf0c40b91122d18

These and other options that can be used with ndb_secretsfile_reader are shown in the following table. Additional descriptions follow the table.

--defaults-extra-file

Command-Line Format	`--defaults-extra-file=path`
Type	String
Default Value	`[none]`

Read given file after global files are read.

--defaults-file

Command-Line Format	`--defaults-file=path`
Type	String
Default Value	`[none]`

Read default options from given file only.

--defaults-group-suffix

Command-Line Format	`--defaults-group-suffix=string`
Type	String
Default Value	`[none]`

Also read groups with concat(group, suffix).

--filesystem-password

Command-Line Format	`--filesystem-password=password`

Pass the filesystem encryption and decryption password to ndb_secretsfile_reader using stdin, tty, or the my.cnf file.

--filesystem-password-from-stdin

Command-Line Format	`--filesystem-password-from-stdin={TRUE\|FALSE}`

Pass the filesystem encryption and decryption password to ndb_secretsfile_reader from stdin (only).

--help

Command-Line Format	`--help`

Display help text and exit.

--login-path

Command-Line Format	`--login-path=path`
Type	String
Default Value	`[none]`

Read given path from login file.

--no-login-paths

Command-Line Format	`--no-login-paths`

Skips reading options from the login path file.

--no-defaults

Command-Line Format	`--no-defaults`

Do not read default options from any option file other than login file.

--print-defaults

Command-Line Format	`--print-defaults`

Print program argument list and exit.

--usage

Command-Line Format	`--usage`

Display help text and exit; same as --help.

--version

Command-Line Format	`--version`

Display version information and exit.

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