diff --git a/.travis.yml b/.travis.yml
index 274d14c1..8a550ca4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ addons:
   apt:
     packages:
       - build-essential
-      - libcap-dev
+      - libpcap-dev
       - python-qt4
       - tor
       - xvfb
diff --git a/checkdeps.py b/checkdeps.py
index 619cd668..7abd129a 100755
--- a/checkdeps.py
+++ b/checkdeps.py
@@ -10,6 +10,7 @@ Limitations:
     EXTRAS_REQUIRE. This is fine because most developers do, too.
 """
 
+print('line...........................13')
 import os
 import sys
 from distutils.errors import CompileError
@@ -44,9 +45,9 @@ EXTRAS_REQUIRE_DEPS = {
         # The packages needed for this requirement, by OS
         "OpenBSD": [""],
         "FreeBSD": [""],
-        "Debian": ["libcap-dev python-prctl"],
-        "Ubuntu": ["libcap-dev python-prctl"],
-        "Ubuntu 12": ["libcap-dev python-prctl"],
+        "Debian": ["libpcap-dev python-prctl"],
+        "Ubuntu": ["libpcap-dev python-prctl"],
+        "Ubuntu 12": ["libpcap-dev python-prctl"],
         "openSUSE": [""],
         "Fedora": ["prctl"],
         "Guix": [""],
@@ -56,19 +57,26 @@ EXTRAS_REQUIRE_DEPS = {
 
 
 def detectPrereqs(missing=True):
+    print('line...........................60')
     available = []
     for module in PACKAGES:
         try:
+            # import pdb;pdb.set_trace()
+            print('nodule---------: ', module)
             import_module(module)
+            print('pass.........................')
             if not missing:
                 available.append(module)
         except ImportError:
+            print('Fail.........................')
             if missing:
                 available.append(module)
+    print('available------:', available)
     return available
 
 
 def prereqToPackages():
+    print('line...........................78')
     if not detectPrereqs():
         return
     print("%s %s" % (
@@ -77,6 +85,7 @@ def prereqToPackages():
 
 
 def compilerToPackages():
+    print('line...........................87')
     if not detectOS() in COMPILING:
         return
     print("%s %s" % (
@@ -84,6 +93,7 @@ def compilerToPackages():
 
 
 def testCompiler():
+    print('line...........................95')
     if not HAVE_SETUPTOOLS:
         # silent, we can't test without setuptools
         return True
@@ -109,21 +119,26 @@ def testCompiler():
         return os.path.isfile(fullPath)
 
 
+print('line...........................121')
 prereqs = detectPrereqs()
 compiler = testCompiler()
+print('compiler-----------: ', compiler)
 
 if (not compiler or prereqs) and detectOS() in PACKAGE_MANAGER:
+    print('line...........................126')
     print(
         "It looks like you're using %s. "
         "It is highly recommended to use the package manager\n"
         "to install the missing dependencies." % detectOS.result)
 
 if not compiler:
+    print('line...........................133')
     print(
         "Building the bitmsghash module failed.\n"
         "You may be missing a C++ compiler and/or the OpenSSL headers.")
 
 if prereqs:
+    print('line...........................139')
     mandatory = [x for x in prereqs if not PACKAGES[x].get("optional")]
     optional = [x for x in prereqs if PACKAGES[x].get("optional")]
     if mandatory:
@@ -136,17 +151,25 @@ if prereqs:
 # Install the system dependencies of optional extras_require components
 OPSYS = detectOS()
 CMD = PACKAGE_MANAGER[OPSYS] if OPSYS in PACKAGE_MANAGER else 'UNKNOWN_INSTALLER'
+print('CMD---------------: ', CMD)
+print('line...........................152')
 for lhs, rhs in EXTRAS_REQUIRE.items():
     if OPSYS is None:
         break
+    print()
     if rhs and any([
         EXTRAS_REQUIRE_DEPS[x][OPSYS]
         for x in rhs
         if x in EXTRAS_REQUIRE_DEPS
     ]):
+        print('EXTRAS_REQUIRE_DEPS[x][OPSYS]: ', EXTRAS_REQUIRE_DEPS[rhs[0]][OPSYS])
         try:
+            print('lhs---------: ', lhs, rhs)
             import_module(lhs)
+            print('pass..................167')
+            # import pdb;pdb.set_trace()
         except Exception as e:
+            print('fail-----------------169')
             rhs_cmd = ''.join([
                 CMD,
                 ' ',
@@ -162,6 +185,7 @@ for lhs, rhs in EXTRAS_REQUIRE.items():
                 "Optional dependency `pip install .[{}]` would require `{}`"
                 " to be run as root".format(lhs, rhs_cmd))
 
+print('line...........................179')
 if (not compiler or prereqs) and OPSYS in PACKAGE_MANAGER:
     print("You can install the missing dependencies by running, as root:")
     if not compiler:
diff --git a/requirements.txt b/requirements.txt
index f24f599c..5b93af1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 #python_prctl
+python-prctl
 psutil
 pycrypto
 #libssl-dev
-#libcap-dev
-python-prctl
\ No newline at end of file
+#libcap-dev
\ No newline at end of file