snippetbashTip

keyctl — Manipulate the Linux kernel keyring. More information: <https://manned.org/keyctl>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

Viewed 0 times

thecommandmanipulateclikeyctlkeyringlinuxkernel

linux

Problem

How to use the keyctl command: Manipulate the Linux kernel keyring. More information: <https://manned.org/keyctl>.

keyctl — Manipulate the Linux kernel keyring. More information: <https://manned.org/keyctl>.

List keys in a specific keyring:

keyctl list {{target_keyring}}

List current keys in the user default session:

keyctl list {{@us}}

Store a key in a specific keyring:

keyctl add {{type_keyring}} {{key_name}} {{key_value}} {{target_keyring}}

Store a key with its value from stdin:

echo -n {{key_value}} | keyctl padd {{type_keyring}} {{key_name}} {{target_keyring}}

Put a timeout on a key:

keyctl timeout {{key_name}} {{timeout_in_seconds}}

Read a key and format it as a hex-dump if not printable:

keyctl read {{key_name}}

Read a key and format as-is:

keyctl pipe {{key_name}}

Revoke a key and prevent any further action on it:

keyctl revoke {{key_name}}

List keys in a specific keyring

keyctl list {{target_keyring}}

List current keys in the user default session

keyctl list {{@us}}

Store a key in a specific keyring

keyctl add {{type_keyring}} {{key_name}} {{key_value}} {{target_keyring}}

Store a key with its value from `stdin`

echo -n {{key_value}} | keyctl padd {{type_keyring}} {{key_name}} {{target_keyring}}

Put a timeout on a key

keyctl timeout {{key_name}} {{timeout_in_seconds}}

tldr-pages: linux/keyctl

No revisions yet.