Debug

If the node is started and there is a connection, but the blocks are not synchronized (Node Stuck), you can use the monitoring debug script.

Create new debug file

nano debug.sh

Copy code below to the debug.sh file

#!/bin/bash
 enode=("e1389d912d3a698d71601d998520dc57a2800e417696bdf93553e63bcf31e597"
      "28192f4f62b8538db9ad9a5f107837ea83f8f06533ddd3fc39451cd0aa8da8bd"
      "1485287a41bc8bc95b1ef63e66f9e46b49eddc40f0da18d67c07ae755b3643ce"
      "9de7cb767b330068e376c59d84d84e6073a06b6e784241a9b13aa824ab455326"
      "d4bea76130db2e51273fa50e96f2a9f08c92c174700a0bdb452ea737633382a0"
      "04c7aa8da7ba470c8f40bae7a270bbdff450ebbc2d0413026de5545864a1b6d6"
      "78454a74ed32cf193fafecb53e6a45b12e2a4e25fb0176c7aa1855459e8e862b"
      "7577b2c26b704a7eae65f9e8db33217fe3f74bd41c550b06b624e23ab7f55d05"
      "ff031c02094a56842ed55db84d0a8127d3120684cc70ec12e6e8f44ee990b5ac"
      "8383a25545be7796ae8e676b52eae6d396e82358d703bedec2ab11e723127230"
      "18e395764e4576759f4d4a932dbdacc91fd967e2a5c3f04d321752d99a7741c8"
      "ab5053267a9d6e4e37586d3b36c1550f16c43b5dd85f1379e708d89da9789d9b"
      "5f7363273a1a7bce9e06ca8ebbae84e9879f908700c6ef5d15e928abfb556a21"
      "4c2f3b23553c8dd0610e7beaffac4cd934f026dcaf0f9d9eeddcd9af85d8943e"
      "fcdbd389487776e2f89c8429bad3f0edd751b3b8def4aaddbcf5533ec93452c2"
      "1fc8ece119b7122eb6fc386a7bf72621dd7c4fe4af77632e3177c08f53fdaf09"
      "7cd2ea1270fb9e56e1f051b180e36bcb85534939fbad02bef4589c7bbf7864d7"
      "f9d5094c9232b48c5cb05603e8bc0bb1bfb1adb7b063aa2ee3c8c9a3439f4d49"
      "c3bc1316d5048510ccb0c032aead286db1ed6cc6f6a0f68ef4cd482f85488edc"
      "ae03016db11b639bb9ed18a6ec39fbc79932572128b4a42ec232ba396e6a216d"
  )

 function info(){
    cn=0
    while true
    do
            echo "$cn second."
            echo "node $1"
            rs1=`curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"net_peerCount","id":64}' 127.0.0.1:$1 2>/dev/null`
            count=$(parse_json $rs1 "result")
            echo "Number of node connections: $((16#${count:2}))"
            rs2=`curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_blockNumber","id":64}' 127.0.0.1:$1 2>/dev/null`
            blockNumber=$(parse_json $rs2 "result")
            echo "Block height of the current peer: $((16#${blockNumber:2}))"
            rs3=`curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["'{blockNumber}'",true],"id":64}' 127.0.0.1:$1 2>/dev/null`
            difficulty=$(parse_json $rs3 "totalDifficulty")
            dy=$((16#${difficulty:2}))
            echo "current difficulty is $dy"
            peers=$(console $1 "admin.peers")
            echo $peers|sed -r 's/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g;s/,/\n/g'|while read line
            do
            if [[ $line =~ "id:" ]];then
                          id=`echo ${line##*:}|tr -d "\""`
                          i=0
                          while [ $i -lt ${#enode[@]} ]
                          do
                                  if [[ $id == ${enode[$i]} ]];then
                                          echo -e "\033[45;36mid: ${id:0:4}.....${id:0-3:3}\033[0m"
                                          break
                                  fi
                                  if [[ $i -eq $((${#enode[@]}-1)) ]];then
                                      echo -e "id: ${id:0:4}.....${id:0-3:3}"
                                  fi
                                  let i++
                          done
                  elif [[ $line =~ "difficulty" ]];then
                          df=`echo ${line##*:}`
                          echo "difficulty: $df"
                          if [[ $df -gt $dy ]];then
                              echo -e "\033[32m can sync\033[0m"
                          fi
                          echo ""
                  fi
            done
            sleep 10
            clear
            let cn+=10
    done
}
 function console(){
       expect -c "
       spawn ./erbie attach http://127.0.0.1:$1
       expect \"<\"
       send \"$2\r\"
       expect \"<\"
       send \"exit\r\"
       expect eof
       "
 }

 function parse_json(){
    if [[ $# -gt 1 ]] && [[ $1 =~ $2 ]];then
       echo "${1//\"/}"|sed "s/.*$2:\([^,}]*\).*/\1/"
    else
       echo "0x0"
    fi
 }

 function main(){
    if [[ ! -f erbie ]];then
          sudo docker cp erbie:/erb/erbie ./
    fi
    if [[ $# -eq 0 ]];then
             info 8545
    else
             info $1
    fi
 }

 main "$@"

Add access to the file

chmod +x debug.sh

Run Debug

./debug.sh