diff --git a/README.rst b/README.rst
index f9dede9..2cccd1d 100644
--- a/README.rst
+++ b/README.rst
@@ -888,6 +888,14 @@
           - timeout: 2
           - attempts: 2
 
+**setting custom TX queue length for tap interfaces**
+
+.. code-block:: yaml
+
+    linux:
+      network:
+        tap_custom_txqueuelen: 10000
+
 DPDK OVS interfaces
 --------------------
 
@@ -998,6 +1006,22 @@
           - file_system: cifs
           - options: guest,uid=myuser,iocharset=utf8,file_mode=0777,dir_mode=0777,noperm
 
+NFS mount
+
+.. code-block:: yaml
+
+  linux:
+    storage:
+      enabled: true
+      mount:
+        nfs_glance:
+          enabled: true
+          path: /var/lib/glance/images
+          device: 172.16.10.110:/var/nfs/glance
+          file_system: nfs
+          opts: rw,sync
+
+
 File swap configuration
 
 .. code-block:: yaml
diff --git a/linux/files/60-net-txqueue.rules b/linux/files/60-net-txqueue.rules
new file mode 100644
index 0000000..7805c9c
--- /dev/null
+++ b/linux/files/60-net-txqueue.rules
@@ -0,0 +1 @@
+KERNEL==”tap[0-9a-z\-]*", RUN+="/sbin/ip link set %k txqueuelen {{ network.tap_custom_txqueuelen }}"
\ No newline at end of file
diff --git a/linux/files/etc_environment b/linux/files/etc_environment
index 3b6f480..0ffa7e1 100644
--- a/linux/files/etc_environment
+++ b/linux/files/etc_environment
@@ -11,22 +11,22 @@
 {%- endfor %}
 
 {%- if ftp_proxy and ftp_proxy.lower() != 'none' %}
-ftp_proxy="{{ ftp_proxy }}";
-FTP_PROXY="{{ ftp_proxy }}";
+ftp_proxy="{{ ftp_proxy }}"
+FTP_PROXY="{{ ftp_proxy }}"
 {%- endif %}
 
 {%- if http_proxy and http_proxy.lower() != 'none' %}
-http_proxy="{{ http_proxy }}";
-HTTP_PROXY="{{ http_proxy }}";
+http_proxy="{{ http_proxy }}"
+HTTP_PROXY="{{ http_proxy }}"
 {%- endif %}
 
 {%- if https_proxy and https_proxy.lower() != 'none' %}
-https_proxy="{{ https_proxy }}";
-HTTPS_PROXY="{{ https_proxy }}";
+https_proxy="{{ https_proxy }}"
+HTTPS_PROXY="{{ https_proxy }}"
 {%- endif %}
 
 {%- if no_proxy %}
-no_proxy="{{ no_proxy|join(',') }}";
-NO_PROXY="{{ no_proxy|join(',') }}";
+no_proxy="{{ no_proxy|join(',') }}"
+NO_PROXY="{{ no_proxy|join(',') }}"
 {%- endif %}
 
diff --git a/linux/network/interface.sls b/linux/network/interface.sls
index ad695ae..bed9a3f 100644
--- a/linux/network/interface.sls
+++ b/linux/network/interface.sls
@@ -292,3 +292,13 @@
   - enable: false
 
 {%- endif %}
+
+{%- if network.tap_custom_txqueuelen is defined %}
+
+/etc/udev/rules.d/60-net-txqueue.rules:
+  file.managed:
+  - source: salt://linux/files/60-net-txqueue.rules
+  - mode: 755
+  - template: jinja
+
+{%- endif %}
diff --git a/linux/system/profile.sls b/linux/system/profile.sls
index 1ccea1e..7e1fb28 100644
--- a/linux/system/profile.sls
+++ b/linux/system/profile.sls
@@ -1,12 +1,6 @@
 {%- from "linux/map.jinja" import system with context %}
 {%- if system.enabled %}
 
-/etc/profile.d:
-  file.directory:
-  - user: root
-  - mode: 750
-  - makedirs: true
-
 profile.d_clean:
   file.directory:
   - name: /etc/profile.d
@@ -19,7 +13,6 @@
 profile.d_script_{{ name  }}:
     file.managed:
     - name: /etc/profile.d/salt_profile_{{ name }}{%if name.split('.')|length == 1 %}.sh{% endif %}
-    - mode: 755
     - source:
       - salt://linux/files/etc_profile_{{ name }}
       - salt://linux/files/etc_profile
diff --git a/linux/system/repo.sls b/linux/system/repo.sls
index 5a4dce7..abb0ffb 100644
--- a/linux/system/repo.sls
+++ b/linux/system/repo.sls
@@ -88,6 +88,7 @@
   - architectures: {{ repo.architectures }}
   {%- endif %}
   - file: /etc/apt/sources.list.d/{{ name }}.list
+  - clean_file: {{ repo.clean|default(True) }}
   {%- if repo.key_id is defined %}
   - keyid: {{ repo.key_id }}
   {%- endif %}