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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$ docker exec -it main_chain neo-go wallet export -w wallets/wallet.json -d NTrezR3C4X8aMLVg7vozt5wguyNfFhwuFx
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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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Wallet3.0 NTrezR3C4X8aMLVg7vozt5wguyNfFhwuFx
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ScriptHash3.0 12b97a2206ae4b10c7e0194b7b655c32cc912057
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ScriptHash3.0BE 572091cc325c657b4b19e0c7104bae06227ab912
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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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Later this functionality will be included in `neofs-cli` directly.
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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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