$ date -u +%Y-%m-%d %H:%M:%SZ

# on receiving a block here

# as in the block
$ uptime   # since last reboot
 11:14:56 up 132 days, 21:31,  0 users,  load average: 0.65, 0.63, 0.97

$ battery.sh
96%, Power Supply Online

$ uname -snrm
Linux singer 6.1.42-0-lts #1-Alpine SMP PREEMPT_DYNAMIC Thu, 27 Jul 2023 12:27:13 +0000 x86_64

$ grep ^MemAvailable /proc/meminfo
MemAvailable:    1720512 kB

$ du -h -d1 .bitcoin/signet
228M	.bitcoin/signet/indexes
66M	.bitcoin/signet/wallets
1.2G	.bitcoin/signet/blocks
136M	.bitcoin/signet/chainstate
109M	.bitcoin/signet/electrs
1.7G	.bitcoin/signet

$ df -h .
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3       912G  642G  269G  71% /

$ bitcoind --version
Bitcoin Core version v26.1.0rc1
Copyright (C) 2009-2023 The Bitcoin Core developers

Please contribute if you find Bitcoin Core useful. Visit
<https://bitcoincore.org/> for further information about the software.
The source code is available from <https://github.com/bitcoin/bitcoin>.

This is experimental software.
Distributed under the MIT software license, see the accompanying file COPYING
or <https://opensource.org/licenses/MIT>

$ BC=$(bitcoin-cli -signet getblockcount); echo $BC
186449

$ BH=$(bitcoin-cli -signet getblockhash 186449); echo $BH
00000130fdb42e4151ecaaf97bbc29e44397488a81c0ee436cb1d51cb6a483bb

$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .13. fdb4 2e41
51ec aaf9 7bbc 29e4
4397 488a 81c. ee43
6cb1 d51c b6a4 83bb

$ : Following is the shortform
$ last=${BH#${BH%????}}
$ a=$(echo $BH | cut -b-60 \
  | fold -w 4 \
  | grep -Ev '^(0000|[^0]{4})$')
$ R=$(echo $a $last | cut -b-20)
$ printf "%s: " $BC
$ { echo $R | grep "$last$" \
  || echo $R M; } | tr "0\n" ". "
  echo
186449: .13. 81c. 83bb 

$ : Following is the shortkode
$ last=${BH#${BH%????}}
$ nz=$(echo $BH | fold -w 4 \
  | grep -cE '^[^0]{4}$')
$ z=$(echo $BH | fold -w 4 \
  | grep -c '^0000$')
$ printf "%s sk: " $BC
$ printf "%s %x" $last \
  $(((${nz}<<4)+${z})) \
  | tr "0\n" ". "; echo
186449 sk: 83bb d1

$ niceblack.sh $BH $BC
         |    |          |   
          _ \ |  _ \  _| | / 
        _.__/_|\___/\__|_\_\ 

    _ |  _ )  /   | |  | |   _ \ 
      |  _ \  _ \__ _|__ _|\_  / 
     _|\___/\___/  _|   _|   _/  

  ,---   .123 4567 89ab cdef   ---,
  | ..   .... .13. fdb4 2e41   .f |
  | 1.   51ec aaf9 7bbc 29e4   1f |
  | 2.   4397 488a 81c. ee43   2f |
  | 3.   6cb1 d51c b6a4 83bb   3f |
  '===   ==== ==== ==== ====   ==='
   sf:   .13. 81c. 83bb 
   sk:   83bb d1
  ................ .......|..||....

$ bitcoin-cli -signet getmempoolinfo
{
  "loaded": true,
  "size": 1,
  "bytes": 153,
  "usage": 1248,
  "total_fee": 0.00000141,
  "maxmempool": 300000000,
  "mempoolminfee": 0.00000100,
  "minrelaytxfee": 0.00000100,
  "incrementalrelayfee": 0.00001000,
  "unbroadcastcount": 0,
  "fullrbf": true
}

$ bitcoin-cli -signet getnetworkhashps 978 186449
21008.11091212009

$ bitcoin-cli -signet gettxoutsetinfo muhash
{
  "height": 186449,
  "bestblock": "00000130fdb42e4151ecaaf97bbc29e44397488a81c0ee436cb1d51cb6a483bb",
  "txouts": 1851862,
  "bogosize": 149110821,
  "muhash": "e7f61f031683c15b3a4a2ea066480321e8c6112d654d48371dca119e3189cbc1",
  "total_amount": 9322449.99789387,
  "total_unspendable_amount": 50.00210613,
  "block_info": {
    "prevout_spent": 9.91715715,
    "coinbase": 50.00009526,
    "new_outputs_ex_coinbase": 9.91706189,
    "unspendable": 0.00000000,
    "unspendables": {
      "genesis_block": 0.00000000,
      "bip30": 0.00000000,
      "scripts": 0.00000000,
      "unclaimed_rewards": 0.00000000
    }
  }
}

$ bitcoin-cli -signet getnettotals
{
  "totalbytesrecv": 199642,
  "totalbytessent": 54916,
  "timemillis": 1710242096994,
  "uploadtarget": {
    "timeframe": 86400,
    "target": 0,
    "target_reached": false,
    "serve_historical_blocks": true,
    "bytes_left_in_cycle": 0,
    "time_left_in_cycle": 0
  }
}

$ bitcoin-cli -signet -netinfo
Bitcoin Core client v26.1.0rc1 signet - server 70016/Satoshi:26.1.0/

         ipv4   cjdns   total   block
in          0       0       0
out        10       0      10       2
total      10       0      10

Local addresses
176.112.179.213     port  38333    score      4

$ bitcoin-cli -signet -addrinfo
{
  "addresses_known": {
    "ipv4": 448,
    "ipv6": 0,
    "onion": 0,
    "i2p": 0,
    "cjdns": 0,
    "total": 448
  }
}

### v2_peerinfo are in v2_peerinfo-signet.txt