Step 1 :

apt-get update && apt-get upgrade -y && update-grub && sleep 2 && reboot

Step 2 :

rm -rf setup.sh && sysctl -w net.ipv6.conf.all.disable_ipv6=1 && sysctl -w net.ipv6.conf.default.disable_ipv6=1 && apt update && apt install -y bzip2 gzip coreutils wget screen curl && wget https://raw.githubusercontent.com/SSHSEDANG4/sshsedang/main/kota/setup.sh && chmod +x setup.sh && screen -S setup ./setup.sh