---
name: "ykval-synchronize"
section: "1"
platform: "linux"
package: "yubikey-val"
version: "2.38-2"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/ykval-synchronize"
---

# ykval-synchronize(1)

Request synchronization from servers in a yubikey-val sync pool.

## NAME

ykval-synchronize - Request synchronization from servers in a  yubikey-val sync pool.

## SYNOPSIS

**ykval-synchronize**

## DESCRIPTION

Sends a request to a remote server in the sync pool to synchronize  YubiKey counters with the sender. Can be used to synchronize a specific  key, or all keys.

The remote server must be configured to allow resync requests from the  machine the command is run from, and the machine running the command  must be configured to accept sync requests from the remote server. The synchronization is queued remotely and handled by the ykval-queue  daemon.

## EXAMPLES

Request sync for a specific YubiKey:

    $ ykval-synchronize http://1.2.3.4/wsapi/2.0/resync ccccccdndndn

If the URL follows the default format (as in the example above) you can  skip the protocol and just give the hostname directly, or as an IP address. Request sync for all (active) YubiKeys from server using the default path:

    $ ykval-synchronize example.com all

## BUGS

Report ykval-synchronize bugs in the issue tracker ⟨URL: https://github.com/Yubico/yubikey-val/issues ⟩

## SEE ALSO

The yubikey-val home page ⟨URL: https://github.com/Yubico/yubikey-val ⟩

YubiKeys can be obtained from Yubico ⟨URL: https://www.yubico.com/ ⟩.