diff --git a/roles/host.py b/roles/host.py
index 8087dabc94d4a4e1d499bc0486a0d425cadb3c6c..f0e6b39855d80c2ff96f3ad832d38c465dca94cd 100644
--- a/roles/host.py
+++ b/roles/host.py
@@ -6,6 +6,7 @@ import time
 import requests
 
 from utils import Problem
+import utils.adcclilib as adccli
 
 class Host(object):
 
@@ -149,6 +150,48 @@ class Host(object):
             problem_key = params['problem']
             solution_id = params['solution']
             return self.get_solution_for_viewer(problem_key, solution_id)
+        elif cmd == 'adccli/login':
+            with open('path-to-adccli-login', 'r') as fp:
+                d = json.load(fp)
+            r = adccli.login(d['url'], d['username'], d['password'])
+            res = {'message': r}
+            return json.dumps(res)
+        elif cmd == 'adccli/logout':
+            r = adccli.logout()
+            res = {'message': r}
+            return json.dumps(res)
+        elif cmd == 'adccli/whoami':
+            with open('path-to-adccli-login', 'r') as fp:
+                d = json.load(fp)
+            r = adccli.whoami()
+            res = {'message': r, 'status': r == d['username']}
+            return json.dumps(res)
+        elif cmd == 'adccli/download-problem':
+            out_abspath = os.path.abspath(self.config['problem_path'])
+            r = adccli.get_q_all(out_abspath)
+            self._load_problems(self.config['problem_path'])
+            res = {'message': r}
+            return json.dumps(res)
+        elif cmd == 'adccli/upload-solution':
+            qname = params['problem']
+            if not "best_json" in questions[qname]:
+                res = {'message': "Required to 'save' before submission"}
+            else:
+                out_path = "{}/{}".format(self.config['solution_path'], "submit")
+                # qnumber = qname.replace("NL_Q", "").replace(".txt", "")
+                # ans_file_path = "{}/T01_A{}.txt".format(out_path, qnumber)
+                # ans_file_abspath = os.path.abspath(ans_file_path)
+
+                # r = adccli.put_a(qnumber, ans_file_abspath)
+                # mes = r + "\n"
+
+                # json_name = questions[qname]['best_json']
+                # data = questions[qname]['answers'][json_name]
+                # r = adccli.put_a_info(qnumber, data['cputime'], "0", "Test")
+                # mes += r
+                mes = ''
+                res = {'message': mes}
+            return json.dumps(res)
         else:
             return None
 
diff --git a/utils/adcclilib.py b/utils/adcclilib.py
new file mode 100644
index 0000000000000000000000000000000000000000..fb03db34b7bf8148f0a26f4a642c203c20353d31
--- /dev/null
+++ b/utils/adcclilib.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+
+import subprocess
+
+PYTHON2 = "/usr/bin/python"
+ADCCLI = "/home/pi/adc2018/conmgr/client/adccli"
+
+def _exec_adccli(cmd):
+    exec_cmd = "{} {} {}".format(PYTHON2, ADCCLI, cmd).strip()
+    print("ADCCLI: {}".format(exec_cmd))
+    p = subprocess.run(exec_cmd, stdout=subprocess.PIPE, shell=True)
+    res = p.stdout.decode().strip()
+    print(res)
+    return res
+
+def login(url, username, password):
+    cmd = "--URL='{}' --username='{}' --password='{}' login".format(url, username, password)
+    return _exec_adccli(cmd)
+
+def logout():
+    cmd = "logout"
+    return _exec_adccli(cmd)
+
+def whoami():
+    cmd = "whoami"
+    return _exec_adccli(cmd)
+
+def put_message(message):
+    cmd = "put-user-alive '{}'"
+    return _exec_adccli(cmd)
+
+def post_user_q(qnum, filepath):
+    cmd = "post-user-q {} {}".format(qnum, filepath)
+    return _exec_adccli(cmd)
+
+def get_q_all(outpath):
+    cmd = "get-q"
+    question_list = _exec_adccli(cmd).split("\n")
+
+    print("--- ADCCLI questions ---")
+    print(question_list)
+
+    for v in question_list:
+        if v.startswith("Q"):
+            qnumber = int(v.replace("Q", ""))
+            out_file_path = "{}/NL_Q{:02d}.txt".format(outpath, qnumber)
+            cmd = "--output {} get-q {}".format(out_file_path, qnumber)
+            r = _exec_adccli(cmd)
+
+    return question_list
+
+def put_a(qnum, filepath):
+    cmd = "put-a {} {}".format(qnum, filepath)
+    return _exec_adccli(cmd)
+
+def put_a_info(qnum, cpu, mem, misc):
+    cmd = "put-a-info {} {} {} '{}'".format(qnum, cpu, mem, misc)
+    return _exec_adccli(cmd)
+