diff --git a/ee/cli/plugins/stack.py b/ee/cli/plugins/stack.py
index e0b82e14..b4954546 100644
--- a/ee/cli/plugins/stack.py
+++ b/ee/cli/plugins/stack.py
@@ -354,7 +354,6 @@ class EEStackController(CementBaseController):
 
         self.pre_pref(apt_packages)
         if len(apt_packages):
-            pkg.update()
             pkg.install(apt_packages)
         if len(packages):
             EEDownload.download(packages)
diff --git a/ee/core/aptget.py b/ee/core/aptget.py
index 5c10b1e9..efa35f41 100644
--- a/ee/core/aptget.py
+++ b/ee/core/aptget.py
@@ -14,13 +14,14 @@ class EEAptGet:
     def update(self):
         """Similar to apt-get update"""
         self.cache.update(self.fprogress)
-        pass
+        self.cache.open()
 
     def upgrade(self, packages):
         """Similar to apt-get update"""
         my_selected_packages = []
         # Cache Initialization
-        self.cache = apt.Cache()
+        if not self.cache:
+            self.cache = apt.Cache()
         # Cache Read
         self.cache.open()
         for package in packages:
@@ -64,11 +65,16 @@ class EEAptGet:
         """Installation of packages"""
         my_selected_packages = []
         # Cache Initialization
-        self.cache = apt.Cache()
+        if not self.cache:
+            self.cache = apt.Cache()
         # Cache Read
         self.cache.open()
+
         for package in packages:
-            pkg = self.cache[package]
+            try:
+                pkg = self.cache[package]
+            except KeyError as e:
+                continue
             # Check Package Installed
             if pkg.is_installed or pkg.marked_install:
                 # Check Package is Upgradeble
@@ -80,7 +86,7 @@ class EEAptGet:
                     if not pkg.marked_install:
                         print("\'{package_name}-{package_ver}\'"
                               "already the newest version"
-                              .format(package_name=pkg.name,
+                              .format(package_name=pkg.shortname,
                                       package_ver=pkg.installed))
             else:
                 with self.cache.actiongroup():
@@ -132,6 +138,11 @@ class EEAptGet:
 
     def remove(self, packages, auto=True, purge=False):
         my_selected_packages = []
+        # Cache Initialization
+        if not self.cache:
+            self.cache = apt.Cache()
+        # Cache Read
+        self.cache.open()
         for package in packages:
             print("processing", package)
             package = self.cache[package]
diff --git a/tests/cli/test_stack.py b/tests/cli/test_stack.py
new file mode 100644
index 00000000..a108e594
--- /dev/null
+++ b/tests/cli/test_stack.py
@@ -0,0 +1,76 @@
+from ee.utils import test
+from ee.cli.main import get_test_app
+
+
+class CliTestCaseStack(test.EETestCase):
+
+    def test_ee_cli(self):
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_web(self):
+        self.app = get_test_app(argv=['stack', 'install', '--web'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_admin(self):
+        self.app = get_test_app(argv=['stack', 'install', '--admin'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_mail(self):
+        self.app = get_test_app(argv=['stack', 'install', '--mail'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_nginx(self):
+        self.app = get_test_app(argv=['stack', 'install', '--nginx'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_php(self):
+        self.app = get_test_app(argv=['stack', 'install', '--php'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_mysql(self):
+        self.app = get_test_app(argv=['stack', 'install', '--mysql'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_postfix(self):
+        self.app = get_test_app(argv=['stack', 'install', '--postfix'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_wpcli(self):
+        self.app = get_test_app(argv=['stack', 'install', '--wpcli'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_phpmyadmin(self):
+        self.app = get_test_app(argv=['stack', 'install', '--phpmyadmin'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_adminer(self):
+        self.app = get_test_app(argv=['stack', 'install', '--adminer'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()
+
+    def test_ee_cli_stack_install_utils(self):
+        self.app = get_test_app(argv=['stack', 'install', '--utils'])
+        self.app.setup()
+        self.app.run()
+        self.app.close()