diff --git a/pkg/de-p1st-mkinitcpio/PKGBUILD b/pkg/de-p1st-mkinitcpio/PKGBUILD
index 581e4e8..9645df5 100644
--- a/pkg/de-p1st-mkinitcpio/PKGBUILD
+++ b/pkg/de-p1st-mkinitcpio/PKGBUILD
@@ -2,7 +2,7 @@
 _pkgname=mkinitcpio
 _reponame=arch
 pkgname="de-p1st-$_pkgname"
-pkgver=0.0.9
+pkgver=0.0.10
 pkgrel=1
 pkgdesc="mkinitcpio configuration"
 arch=('any')
diff --git a/pkg/de-p1st-mkinitcpio/mkinitcpio.conf.holoscript b/pkg/de-p1st-mkinitcpio/mkinitcpio.conf.holoscript
index 7a72498..c026799 100644
--- a/pkg/de-p1st-mkinitcpio/mkinitcpio.conf.holoscript
+++ b/pkg/de-p1st-mkinitcpio/mkinitcpio.conf.holoscript
@@ -1,9 +1,10 @@
 #!/bin/sh
 # stdin: default config
 # stdout: modified config
+set -e
 
 # save stdin (content of /etc/mkinitcpio.conf) in variable
-stdin=$(cat)
+stdin="$(cat)"
 
 # assert MODULES is empty
 echo "$stdin" | grep --quiet '^MODULES=()'
@@ -18,8 +19,8 @@ echo "$stdin" | grep --quiet '^HOOKS=(base udev autodetect modconf block filesys
 echo "$stdin" | grep --quiet '^#COMPRESSION="lz4"'
 
 # 1) add to MODULES; 2 replace HOOKS; 3) uncomment lz4 COMPRESSION
-sed '
+echo "$stdin" | sed '
   s|^MODULES=(|MODULES=(crc32c-intel |;
   s|^#COMPRESSION="lz4".*$|COMPRESSION="lz4"|;
   s|^HOOKS=(.*$|HOOKS=(base udev modconf block keyboard keymap encrypt lvm2 btrfs filesystems fsck resume)|
-  ' <<< "$stdin"
+  '
diff --git a/pkg/de-p1st-ssh/PKGBUILD b/pkg/de-p1st-ssh/PKGBUILD
index 5455b87..864078d 100644
--- a/pkg/de-p1st-ssh/PKGBUILD
+++ b/pkg/de-p1st-ssh/PKGBUILD
@@ -2,7 +2,7 @@
 _pkgname=ssh
 _reponame=arch
 pkgname="de-p1st-$_pkgname"
-pkgver=0.0.7
+pkgver=0.0.8
 pkgrel=1
 pkgdesc="ssh with configuration"
 arch=('any')
diff --git a/pkg/de-p1st-ssh/sshd_config.holoscript b/pkg/de-p1st-ssh/sshd_config.holoscript
old mode 100644
new mode 100755
index 15887ba..511f51c
--- a/pkg/de-p1st-ssh/sshd_config.holoscript
+++ b/pkg/de-p1st-ssh/sshd_config.holoscript
@@ -1,28 +1,36 @@
 #!/bin/sh
 # stdin: default config
 # stdout: modified config
+set -e
 
 # save stdin (content of /etc/ssh/sshd_config) in variable
-stdin=$(cat)
+stdin="$(cat)"
 
 # assertions
+echo "=== assert UsePAM ===" 1>&2
 echo "$stdin" | grep --quiet '^UsePAM yes$'
 #
-echo "$stdin" | grep --quiet  '^#PermitRootLogin\s*$'
-! echo "$stdin" | grep --quiet '^PermitRootLogin\s*$'
-echo "$stdin" | grep --quiet  '^#PubkeyAuthentication\s*$'
-! echo "$stdin" | grep --quiet '^PubkeyAuthentication\s*$'
-echo "$stdin" | grep --quiet  '^#PasswordAuthentication\s*$'
-! echo "$stdin" | grep --quiet '^PasswordAuthentication\s*$'
-echo "$stdin" | grep --quiet  '^#PermitEmptyPasswords\s*$'
-! echo "$stdin" | grep --quiet '^PermitEmptyPasswords\s*$'
-echo "$stdin" | grep --quiet  '^#X11Forwarding\s*$'
-! echo "$stdin" | grep --quiet '^X11Forwarding\s*$'
+echo "=== assert PermitRootLogin ===" 1>&2
+echo "$stdin" | grep --quiet  '^#PermitRootLogin\s.*$'
+! echo "$stdin" | grep --quiet '^PermitRootLogin\s.*$'
+echo "=== assert PubkeyAuthentication ===" 1>&2
+echo "$stdin" | grep --quiet  '^#PubkeyAuthentication\s.*$'
+! echo "$stdin" | grep --quiet '^PubkeyAuthentication\s.*$'
+echo "=== assert PasswordAuthentication ===" 1>&2
+echo "$stdin" | grep --quiet  '^#PasswordAuthentication\s.*$'
+! echo "$stdin" | grep --quiet '^PasswordAuthentication\s.*$'
+echo "=== assert PermitEmptyPasswords ===" 1>&2
+echo "$stdin" | grep --quiet  '^#PermitEmptyPasswords\s.*$'
+! echo "$stdin" | grep --quiet '^PermitEmptyPasswords\s.*$'
+echo "=== assert X11Forwarding ===" 1>&2
+echo "$stdin" | grep --quiet  '^#X11Forwarding\s.*$'
+! echo "$stdin" | grep --quiet '^X11Forwarding\s.*$'
 
-sed '
-  s|^#PermitRootLogin\s*$|PermitRootLogin no|;
-  s|^#PubkeyAuthentication\s*$|PubkeyAuthentication yes|;
-  s|^#PasswordAuthentication\s*$|PasswordAuthentication no|;
-  s|^#PermitEmptyPasswords\s*$|PermitEmptyPasswords no|;
-  s|^#X11Forwarding\s*$|X11Forwarding no|
-  ' <<< "$stdin"
+echo "=== sed ===" 1>&2
+echo "$stdin" | sed '
+  s|^#PermitRootLogin\s.*$|PermitRootLogin no|;
+  s|^#PubkeyAuthentication\s.*$|PubkeyAuthentication yes|;
+  s|^#PasswordAuthentication\s.*$|PasswordAuthentication no|;
+  s|^#PermitEmptyPasswords\s.*$|PermitEmptyPasswords no|;
+  s|^#X11Forwarding\s.*$|X11Forwarding no|
+  '
diff --git a/pkg/de-p1st-xfce4-hidpi/PKGBUILD b/pkg/de-p1st-xfce4-hidpi/PKGBUILD
index 2aeccf5..06bbff3 100644
--- a/pkg/de-p1st-xfce4-hidpi/PKGBUILD
+++ b/pkg/de-p1st-xfce4-hidpi/PKGBUILD
@@ -2,7 +2,7 @@
 _pkgname=xfce4-hidpi
 _reponame=arch
 pkgname="de-p1st-$_pkgname"
-pkgver=0.0.8
+pkgver=0.0.9
 pkgrel=1
 pkgdesc="HiDPI for XFCE4"
 arch=('any')
diff --git a/pkg/de-p1st-xfce4-hidpi/thunar.xml.holoscript b/pkg/de-p1st-xfce4-hidpi/thunar.xml.holoscript
index 3c59dc5..3ed447a 100644
--- a/pkg/de-p1st-xfce4-hidpi/thunar.xml.holoscript
+++ b/pkg/de-p1st-xfce4-hidpi/thunar.xml.holoscript
@@ -2,11 +2,8 @@
 # stdin: default config
 # stdout: modified config
 
-# save stdin in variable
-stdin=$(cat)
-
 # Decrease size
 sed '
   s|<!-- Anchor1 for de-p1st-xfce4-hidpi -->|<property name="last-icon-view-zoom-level"    type="string" value="THUNAR_ZOOM_LEVEL_75_PERCENT"/>|;
   s|<!-- Anchor2 for de-p1st-xfce4-hidpi -->|<property name="last-details-view-zoom-level" type="string" value="THUNAR_ZOOM_LEVEL_50_PERCENT"/>|;
-  ' <<< "$stdin"
+  '
diff --git a/pkg/de-p1st-xfce4-hidpi/xsettings.xml.holoscript b/pkg/de-p1st-xfce4-hidpi/xsettings.xml.holoscript
index 59fc2fa..8ef2352 100644
--- a/pkg/de-p1st-xfce4-hidpi/xsettings.xml.holoscript
+++ b/pkg/de-p1st-xfce4-hidpi/xsettings.xml.holoscript
@@ -1,9 +1,10 @@
 #!/bin/sh
 # stdin: default config
 # stdout: modified config
+set -e
 
 # save stdin in variable
-stdin=$(cat)
+stdin="$(cat)"
 
 # assert WindowScalingFactor is as expected
 echo "$stdin" | grep --quiet '<property name="WindowScalingFactor" type="int" value="1"/>'
@@ -13,7 +14,7 @@ echo "$stdin" | grep --quiet '<property name="CursorThemeSize" type="int" value=
 
 # 1. Double WindowScalingFactor
 # 2.Increase cursor size to 32
-sed '
+echo "$stdin" | sed '
   s|<property name="WindowScalingFactor" type="int" value="1"/>|<property name="WindowScalingFactor" type="int" value="2"/>|;
   s|<property name="CursorThemeSize" type="int" value="0"/>|<property name="CursorThemeSize" type="int" value="32"/>|;
-  ' <<< "$stdin"
+  '
diff --git a/pkg/de-p1st-xfce4/PKGBUILD b/pkg/de-p1st-xfce4/PKGBUILD
index 1abef56..923650d 100644
--- a/pkg/de-p1st-xfce4/PKGBUILD
+++ b/pkg/de-p1st-xfce4/PKGBUILD
@@ -2,7 +2,7 @@
 _pkgname=xfce4
 _reponame=arch
 pkgname="de-p1st-$_pkgname"
-pkgver=0.0.26
+pkgver=0.0.27
 pkgrel=1
 pkgdesc="XFCE4 with configuration"
 arch=('any')
diff --git a/pkg/de-p1st-xfce4/xfce4-keyboard-shortcuts.xml.holoscript b/pkg/de-p1st-xfce4/xfce4-keyboard-shortcuts.xml.holoscript
index ecff4ca..f08972b 100644
--- a/pkg/de-p1st-xfce4/xfce4-keyboard-shortcuts.xml.holoscript
+++ b/pkg/de-p1st-xfce4/xfce4-keyboard-shortcuts.xml.holoscript
@@ -1,12 +1,13 @@
 #!/bin/sh
 # stdin: default config
 # stdout: modified config
+set -e
 
 # save stdin (content of /etc/mkinitcpio.conf) in variable
-stdin=$(cat)
+stdin="$(cat)"
 
 # assert a screenshot for key-combination "Print" exists
 echo "$stdin" | grep --quiet '^\s*<property name="Print" type="string" value="xfce4-screenshooter"/>\s*$'
 
 # replace action key-combination "Print"
-sed 's|<property name="Print" type="string" value="xfce4-screenshooter"/>|<property name="Print" type="string" value="sh -c &apos;xfce4-screenshooter -f -s &quot;Pictures/$(date +%Y%m%d_%H%M%S).png&quot;&apos;"/>|' <<< "$stdin"
+echo "$stdin" | sed 's|<property name="Print" type="string" value="xfce4-screenshooter"/>|<property name="Print" type="string" value="sh -c &apos;xfce4-screenshooter -f -s &quot;Pictures/$(date +%Y%m%d_%H%M%S).png&quot;&apos;"/>|'