How to collect the cycles from the useless canisters?

[honopu]

I had created a few canister, now i want to destory the canisters and collect the cycles, is there any way? Or when destory the canister, the cycles will back to the cycle wallet automatically ?

[cryptoschindler]

maybe this helps

How to retrieve cycles from an abandoned canister

Note that this guide uses dfx version 0.8.1 Create a new identity using dfx identity new move_cycles Use the identity created by issuing dfx identity use move_cycles Save the principal ID of the move_cycles identity to the environment variable MOVE_CYCLES_IDENTITY by running MOVE_CYCLES_IDENTITY=$(dfx identity get-principal) Use the previous identity that is controller of the wallet canister that controls the abandoned canister by issuing the following command and substituting <your_o…

[honopu]

Thanks a lot, it’s really useful for me

[saikatdas0790]

I would suggest not destroying the canister but reusing it to deploy whatever new wasm you’re deploying. That way the 1T cycles used when creating a new canister is not wasted.

Simply use the same identity and the existing canister ID in your new project’s canister_ids.json when deploying.