private function rewriteDb()
{
$wpcmd = $this->getWpCommand();
$remote = $this->remote->properUrl($this->remoteSettings->url);
$local = $this->remote->properUrl($this->remoteSettings->localurl);
$cmd = $wpcmd . sprintf('search-replace %s %s --skip-columns=guid', $remote, $local);
exec($cmd);
}