挂载本地iso源
mount /path/to/iso /media/cdrom
mount /dev/cdrom /media/cdrom
# vi /etc/apt/sources.list
cat > /etc/apt/sources.list <<EOF
deb [ trusted=yes ] file:///media/cdrom/ bullseye contrib main
EOF
cat /etc/apt/sources.list
apt-get update
apt-get install -y iotop
apt-get install -y openssh-server build-essential curl sudo vim python3-pip