Kill apt and make sure there's no dpkg lock in place.

aptkill.sh

# !/usr/bin/env bash

# Setting the logfile location
logfile=/var/log/kill_output.log

# Logging all actions 
exec 3>&1 4>&2
trap 'exec 2>&4 1>&3' 0 1 2 3
exec 1>$logfile 2>&1

# Logging the start date and time
date +"%F_%R"

# DPKG PID lock files
pidlockfile=/var/lib/dpkg/lock
pidcachelockfile=/var/cache/apt/archives/lock

# Building a while loop
finished=false
while ! $finished ; do

# Create an array with the pids for active apt
declare -a aptarray="$(ps aux | grep -v grep | grep apt | awk '{print $2}')"

# If the array is not empty
if [ ! -z "$aptarray" ] ; then
# Iterate through each line of the array
printf '%s\n' "${aptarray[*]}" | while read line; do

    # Get the pid value and kill it
    aptpid="$echo $line"
    echo  "killing pid : $aptpid"
    kill -9 $aptpid

  # Check if dpkg pid locks are in use by any process
   if fuser $pidlockfile ; then
        rm -f $pidlockfile
   else
        echo "$pidlockfile is not in use."
   fi

   if fuser $pidcachelockfile ; then
        rm -f $pidcachelockfile
   else
        echo "$pidcachelockfile is not in use."
    fi

done
    echo "All install process killed.No install process in progress. Exiting." 
else

   # If the array is empty
   echo "No install process in progress. Exiting."
  
fi
finished=true
done
date +"%F_%R"
exit 0