You need to unlock your account to be able to operate with it. The third parameter of unlockAccount is a timeout in seconds.

web3.personal.unlockAccount("0x..", "<passs>", 1000);

But be aware that if you unlock your account, any other program with access to your node can sign whithin the timeout.

See this to know how to secure your node and to avoid problems: How to reduce the chances of your Ethereum wallet getting hacked?.

You need to unlock your account to be able to operate with it. The third parameter of unlockAccount is a timeout in seconds.

web3.personal.unlockAccount("0x..", "<passs>", 1000);

But be aware that if you unlock your account, any other program with access to your node can sign whithin the timeout.

See this to know how to secure your node and to avoid problems: How to reduce the chances of your Ethereum wallet getting hacked?.