diff --git a/.idea/kiwi-scp.iml b/.idea/kiwi-scp.iml
index d3e64c5..a74c05f 100644
--- a/.idea/kiwi-scp.iml
+++ b/.idea/kiwi-scp.iml
@@ -5,7 +5,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
       <excludeFolder url="file://$MODULE_DIR$/src/venv" />
     </content>
-    <orderEntry type="jdk" jdkName="Pipenv (kiwi-config)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Pipenv (kiwi-scp)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 6d2139f..bd89605 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Pipenv (kiwi-config)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Pipenv (kiwi-scp)" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/Pipfile.lock b/Pipfile.lock
index 94a7e7e..30dd482 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,20 +18,38 @@
     "default": {
         "pyyaml": {
             "hashes": [
-                "sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97",
-                "sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76",
-                "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2",
-                "sha256:69f00dca373f240f842b2931fb2c7e14ddbacd1397d57157a9b005a6a9942648",
-                "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf",
-                "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f",
-                "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2",
-                "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee",
-                "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d",
-                "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c",
-                "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a"
+                "sha256:08682f6b72c722394747bddaf0aa62277e02557c0fd1c42cb853016a38f8dedf",
+                "sha256:0f5f5786c0e09baddcd8b4b45f20a7b5d61a7e7e99846e3c799b05c7c53fa696",
+                "sha256:129def1b7c1bf22faffd67b8f3724645203b79d8f4cc81f674654d9902cb4393",
+                "sha256:294db365efa064d00b8d1ef65d8ea2c3426ac366c0c4368d930bf1c5fb497f77",
+                "sha256:3b2b1824fe7112845700f815ff6a489360226a5609b96ec2190a45e62a9fc922",
+                "sha256:3bd0e463264cf257d1ffd2e40223b197271046d09dadf73a0fe82b9c1fc385a5",
+                "sha256:4465124ef1b18d9ace298060f4eccc64b0850899ac4ac53294547536533800c8",
+                "sha256:49d4cdd9065b9b6e206d0595fee27a96b5dd22618e7520c33204a4a3239d5b10",
+                "sha256:4e0583d24c881e14342eaf4ec5fbc97f934b999a6828693a99157fde912540cc",
+                "sha256:5accb17103e43963b80e6f837831f38d314a0495500067cb25afab2e8d7a4018",
+                "sha256:607774cbba28732bfa802b54baa7484215f530991055bb562efbed5b2f20a45e",
+                "sha256:6c78645d400265a062508ae399b60b8c167bf003db364ecb26dcab2bda048253",
+                "sha256:72a01f726a9c7851ca9bfad6fd09ca4e090a023c00945ea05ba1638c09dc3347",
+                "sha256:74c1485f7707cf707a7aef42ef6322b8f97921bd89be2ab6317fd782c2d53183",
+                "sha256:895f61ef02e8fed38159bb70f7e100e00f471eae2bc838cd0f4ebb21e28f8541",
+                "sha256:8c1be557ee92a20f184922c7b6424e8ab6691788e6d86137c5d93c1a6ec1b8fb",
+                "sha256:bb4191dfc9306777bc594117aee052446b3fa88737cd13b7188d0e7aa8162185",
+                "sha256:bfb51918d4ff3d77c1c856a9699f8492c612cde32fd3bcd344af9be34999bfdc",
+                "sha256:c20cfa2d49991c8b4147af39859b167664f2ad4561704ee74c1de03318e898db",
+                "sha256:cb333c16912324fd5f769fff6bc5de372e9e7a202247b48870bc251ed40239aa",
+                "sha256:d2d9808ea7b4af864f35ea216be506ecec180628aced0704e34aca0b040ffe46",
+                "sha256:d483ad4e639292c90170eb6f7783ad19490e7a8defb3e46f97dfe4bacae89122",
+                "sha256:dd5de0646207f053eb0d6c74ae45ba98c3395a571a2891858e87df7c9b9bd51b",
+                "sha256:e1d4970ea66be07ae37a3c2e48b5ec63f7ba6804bdddfdbd3cfd954d25a82e63",
+                "sha256:e4fac90784481d221a8e4b1162afa7c47ed953be40d31ab4629ae917510051df",
+                "sha256:fa5ae20527d8e831e8230cbffd9f8fe952815b2b7dae6ffec25318803a7528fc",
+                "sha256:fd7f6999a8070df521b6384004ef42833b9bd62cfee11a09bda1079b4b704247",
+                "sha256:fdc842473cd33f45ff6bce46aea678a54e3d21f1b61a7750ce3c498eedfe25d6",
+                "sha256:fe69978f3f768926cfa37b867e3843918e012cf83f680806599ddce33c2c68b0"
             ],
             "index": "pypi",
-            "version": "==5.3.1"
+            "version": "==5.4.1"
         }
     },
     "develop": {}
diff --git a/example/kiwi.yml b/example/kiwi.yml
index f89e075..ff10127 100644
--- a/example/kiwi.yml
+++ b/example/kiwi.yml
@@ -2,7 +2,7 @@
 # kiwi-scp instance configuration #
 ###################################
 
-version: '0.1.5'
+version: '0.1.6'
 
 runtime:
   storage: /tmp/kiwi
diff --git a/install.sh b/install.sh
index f4a3b06..13ce687 100755
--- a/install.sh
+++ b/install.sh
@@ -5,7 +5,7 @@
 #############
 
 # default installation directory
-INSTALL_DIR_DEFAULT="/usr/local/bin"
+INSTALL_DIR_DEFAULT="/usr/local/sbin"
 # URI of "kiwi" launcher script
 KIWI_URI="https://raw.githubusercontent.com/ldericher/kiwi-scp/master/kiwi"
 
diff --git a/kiwi b/kiwi
index f03783d..ff64118 100755
--- a/kiwi
+++ b/kiwi
@@ -25,7 +25,7 @@ KIWI_VERSION="master"
 KIWI_URI="https://raw.githubusercontent.com/ldericher/kiwi-scp/master/kiwi"
 INSTALLER_URI="https://raw.githubusercontent.com/ldericher/kiwi-scp/master/install.sh"
 # canary file: limit curl requests
-CANARY_FILENAME="/tmp/kiwi-scp.canary"
+CANARY_FILENAME="/tmp/kiwi-scp-$(id -u).canary"
 CANARY_MAX_AGE=600
 
 ###################
diff --git a/src/etc/version_tag b/src/etc/version_tag
index 9faa1b7..c946ee6 100644
--- a/src/etc/version_tag
+++ b/src/etc/version_tag
@@ -1 +1 @@
-0.1.5
+0.1.6
diff --git a/src/kiwi/_constants.py b/src/kiwi/_constants.py
index 8c33fed..be0ab6d 100644
--- a/src/kiwi/_constants.py
+++ b/src/kiwi/_constants.py
@@ -1,7 +1,6 @@
 # system
 import os
 
-
 #############
 # ENVIRONMENT
 
@@ -10,7 +9,6 @@ KIWI_ROOT = os.getenv('KIWI_ROOT', ".")
 # default name of kiwi-scp file
 KIWI_CONF_NAME = os.getenv('KIWI_CONF_NAME', "kiwi.yml")
 
-
 ############
 # FILE NAMES
 
@@ -27,7 +25,6 @@ CONF_DIRECTORY_NAME = 'conf'
 # location for auxiliary Dockerfiles
 IMAGES_DIRECTORY_NAME = f"{KIWI_ROOT}/images"
 
-
 ####################
 # DOCKER IMAGE NAMES
 
diff --git a/src/kiwi/misc.py b/src/kiwi/misc.py
index 221b9c3..ed91da9 100644
--- a/src/kiwi/misc.py
+++ b/src/kiwi/misc.py
@@ -1,6 +1,6 @@
 def _surround(string, bang):
     midlane = f"{bang * 3} {string} {bang * 3}"
-    sidelane = bang*len(midlane)
+    sidelane = bang * len(midlane)
 
     return f"{sidelane}\n{midlane}\n{sidelane}"
 
diff --git a/src/kiwi/project.py b/src/kiwi/project.py
index 7a11fc0..60a3fbd 100644
--- a/src/kiwi/project.py
+++ b/src/kiwi/project.py
@@ -1,10 +1,9 @@
 import logging
 import os
 
-from .executable import Executable
-
 from ._constants import CONF_DIRECTORY_NAME
 from .config import LoadedConfig
+from .executable import Executable
 
 
 class Project:
diff --git a/src/kiwi/subcommands/_hidden.py b/src/kiwi/subcommands/_hidden.py
index 28ce50d..d3e0901 100644
--- a/src/kiwi/subcommands/_hidden.py
+++ b/src/kiwi/subcommands/_hidden.py
@@ -4,11 +4,11 @@ import subprocess
 
 # local
 from .._constants import CONF_DIRECTORY_NAME
-from ..executable import Executable
-from ..subcommand import SubCommand
 from ..config import LoadedConfig
+from ..executable import Executable
 from ..projects import Projects
 from ..rootkit import Rootkit, prefix_path_mnt
+from ..subcommand import SubCommand
 
 
 class ConfCopyCommand(SubCommand):
diff --git a/src/kiwi/subcommands/down.py b/src/kiwi/subcommands/down.py
index 9c4032f..b0a1147 100644
--- a/src/kiwi/subcommands/down.py
+++ b/src/kiwi/subcommands/down.py
@@ -4,10 +4,10 @@ import subprocess
 
 # local
 from ._hidden import _find_net
-from ..subcommand import ServiceCommand
 from ..config import LoadedConfig
 from ..executable import Executable
 from ..misc import are_you_sure
+from ..subcommand import ServiceCommand
 
 
 class DownCommand(ServiceCommand):
diff --git a/src/kiwi/subcommands/init.py b/src/kiwi/subcommands/init.py
index d5174be..1ca9c6a 100644
--- a/src/kiwi/subcommands/init.py
+++ b/src/kiwi/subcommands/init.py
@@ -4,8 +4,8 @@ import os
 
 # local
 from .._constants import KIWI_CONF_NAME
-from ..subcommand import SubCommand
 from ..config import DefaultConfig, LoadedConfig
+from ..subcommand import SubCommand
 
 
 class InitCommand(SubCommand):
@@ -42,7 +42,6 @@ class InitCommand(SubCommand):
 
         # check force switch
         if args.force and os.path.isfile(KIWI_CONF_NAME):
-
             logging.warning(f"Overwriting existing '{KIWI_CONF_NAME}'!")
             config = DefaultConfig.get()
 
diff --git a/src/kiwi/subcommands/purge.py b/src/kiwi/subcommands/purge.py
index 2200302..86cd372 100644
--- a/src/kiwi/subcommands/purge.py
+++ b/src/kiwi/subcommands/purge.py
@@ -4,10 +4,10 @@ import subprocess
 
 # local
 from ._hidden import _find_net
-from ..subcommand import SubCommand
 from ..config import LoadedConfig
 from ..executable import Executable
 from ..misc import are_you_sure
+from ..subcommand import SubCommand
 
 
 class PurgeCommand(SubCommand):
diff --git a/src/kiwi/subcommands/restart.py b/src/kiwi/subcommands/restart.py
index d8856c9..86fce22 100644
--- a/src/kiwi/subcommands/restart.py
+++ b/src/kiwi/subcommands/restart.py
@@ -1,6 +1,6 @@
 # local
-from ..subcommand import ServiceCommand
 from ..misc import are_you_sure
+from ..subcommand import ServiceCommand
 
 
 class RestartCommand(ServiceCommand):
diff --git a/src/kiwi/subcommands/shell.py b/src/kiwi/subcommands/shell.py
index 6ae4a0f..7547ced 100644
--- a/src/kiwi/subcommands/shell.py
+++ b/src/kiwi/subcommands/shell.py
@@ -2,9 +2,9 @@
 import logging
 import subprocess
 
+from ..config import LoadedConfig
 # local
 from ..subcommand import ServiceCommand
-from ..config import LoadedConfig
 
 
 def _service_has_executable(project, service, exe_name):
@@ -52,7 +52,7 @@ def _find_shell(args, project, service):
 
         elif i + 1 < len(shells):
             # try next in list
-            logging.info(f"Shell '{shell}' not found in container, trying '{shells[i+1]}'")
+            logging.info(f"Shell '{shell}' not found in container, trying '{shells[i + 1]}'")
 
         elif args.shell:
             # not found, user suggestion provided
diff --git a/src/kiwi/subcommands/show.py b/src/kiwi/subcommands/show.py
index 23ee8ce..d8e7a34 100644
--- a/src/kiwi/subcommands/show.py
+++ b/src/kiwi/subcommands/show.py
@@ -3,10 +3,10 @@ import logging
 import os
 import yaml
 
-# local
-from ..subcommand import ServiceCommand
 from ..project import Project
 from ..projects import Projects
+# local
+from ..subcommand import ServiceCommand
 
 
 def _print_list(strings):
diff --git a/src/kiwi/subcommands/update.py b/src/kiwi/subcommands/update.py
index 0440cdc..35bc6dd 100644
--- a/src/kiwi/subcommands/update.py
+++ b/src/kiwi/subcommands/update.py
@@ -1,6 +1,6 @@
 # local
-from ..subcommand import ServiceCommand
 from ..misc import are_you_sure
+from ..subcommand import ServiceCommand
 
 
 class UpdateCommand(ServiceCommand):
@@ -8,7 +8,7 @@ class UpdateCommand(ServiceCommand):
 
     def __init__(self):
         super().__init__(
-            'update',  num_projects='?', num_services='*',
+            'update', num_projects='?', num_services='*',
             action="Updating",
             description="Update the whole instance, a project or service(s) inside a project"
         )