2020-09-25 20:36:46 +00:00
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# F.A.Q, tips and tricks
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2020-12-03 06:43:58 +00:00
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### How to export private key from Neo wallet for NeoFS use?
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Private key for usage with NeoFS tools can be extracted from Neo wallet in three
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simple steps.
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1. Get the key in WIF format
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```
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2021-06-04 11:33:15 +00:00
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$ docker exec -it main_chain neo-go wallet export -w wallets/wallet.json -d NbUgTSFvPmsRxmGeWpuuGeJUoRoi6PErcM
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2020-12-03 06:43:58 +00:00
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Enter password >
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KxDgvEKzgSBPPfuVfw67oPQBSjidEiqTHURKSDL1R7yGaGYAeYnr
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```
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2. Convert form WIF to HEX
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```
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$ neofs-cli util keyer KxDgvEKzgSBPPfuVfw67oPQBSjidEiqTHURKSDL1R7yGaGYAeYnr
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PrivateKey 1dd37fba80fec4e6a6f13fd708d8dcb3b29def768017052f6c930fa1c5d90bbb
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PublicKey 031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a
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WIF KxDgvEKzgSBPPfuVfw67oPQBSjidEiqTHURKSDL1R7yGaGYAeYnr
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2021-06-04 11:33:15 +00:00
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Wallet3.0 NbUgTSFvPmsRxmGeWpuuGeJUoRoi6PErcM
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ScriptHash3.0 5ea4d57ff4b09098a37db8138686ae2ef6a5b9aa
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ScriptHash3.0BE aab9a5f62eae868613b87da39890b0f47fd5a45e
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2020-12-03 06:43:58 +00:00
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```
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3. Dump into file in binary format
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```
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$ echo '1dd37fba80fec4e6a6f13fd708d8dcb3b29def768017052f6c930fa1c5d90bbb' | xxd -r -p > wallets/wallet.key
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$ xxd wallets/wallet.key
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00000000: 1dd3 7fba 80fe c4e6 a6f1 3fd7 08d8 dcb3 ..........?.....
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00000010: b29d ef76 8017 052f 6c93 0fa1 c5d9 0bbb ...v.../l.......
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```
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2021-06-04 11:33:15 +00:00
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Later you will be able to provide wallet file in neofs-node config.
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2020-12-03 06:43:58 +00:00
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2021-03-19 10:43:39 +00:00
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### How to create Neo wallet JSON file using a NeoFS key file?
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You will need `neo-go` and `neofs-cli`.
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1. Get the WIF format of the private key
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```
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$ neofs-cli util keyer -key ./services/ir/01.key | grep WIF | awk '{print $NF}' > temp_WIF
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```
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2. Init a new empty Neo wallet
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```
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$ neo-go wallet init -w my_new_wallet.json
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```
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3. Import WIF to the new wallet
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```
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$ neo-go wallet import -w my_new_wallet.json --wif $(cat temp_WIF) && rm temp_WIF
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Enter the name of the account >
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Enter passphrase >
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Confirm passphrase >
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```
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2020-09-25 20:36:46 +00:00
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### How to see what's inside running container if there's no shell?
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You can run any program in container's namespace using `nsenter` utility.
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```
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$ docker inspect -f '{{.State.Pid}}' fs.neo.org
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27242
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$ sudo nsenter -t 27242 -n netstat -antp
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Active Internet connections (servers and established)
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Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
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tcp 0 0 127.0.0.11:43783 0.0.0.0:* LISTEN 1376/dockerd
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tcp6 0 0 :::443 :::* LISTEN 27242/nginx: master
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tcp6 0 0 :::80 :::* LISTEN 27242/nginx: master
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```
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