diff --git a/OSDeveloperUbuntuMateContentsv1.0.pdf b/OSDeveloperUbuntuMateContentsv1.0.pdf
index cfd2e972a20ca79c4186f83190ef071b7b0b5394..5d66519186c78df6e991e23fea8778627be83691 100755
Binary files a/OSDeveloperUbuntuMateContentsv1.0.pdf and b/OSDeveloperUbuntuMateContentsv1.0.pdf differ
diff --git a/UbuntuMate16.04/32bit/shellScripts/essentialfiles20.tar.gz b/UbuntuMate16.04/32bit/shellScripts/essentialfiles20.tar.gz
index fc17d9381d7d09928ec314d841c3249e2769d8c0..7dc2eef717ee1b2e932a2dc5dc50949825a0f711 100644
Binary files a/UbuntuMate16.04/32bit/shellScripts/essentialfiles20.tar.gz and b/UbuntuMate16.04/32bit/shellScripts/essentialfiles20.tar.gz differ
diff --git a/UbuntuMate16.04/32bit/shellScripts/postinstall.sh b/UbuntuMate16.04/32bit/shellScripts/postinstall.sh
index 53253734e110c74b93588050b0fc51b115fba263..f5c527114177b54adf3df6483c7c75dbdbe1b117 100755
--- a/UbuntuMate16.04/32bit/shellScripts/postinstall.sh
+++ b/UbuntuMate16.04/32bit/shellScripts/postinstall.sh
@@ -7,6 +7,8 @@ dpkg -i /tmp/StarUML-v2.8.0-32-bit.deb
 dpkg -i /tmp/sublime-text_build_i386.deb
 dpkg -i /tmp/code_1.12.2_i386.deb
 mv /tmp/VidyoDesktopInstaller-ubuntu32bit.deb /home/ostdeveloper
+mv /tmp/keys.sh /home/ostdeveloper
+chmod +x /home/ostdeveloper/keys.sh
 echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main" | tee /etc/apt/sources.list.d/webupd8team-java.list
 echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main" | tee -a /etc/apt/sources.list.d/webupd8team-java.list
 mv /tmp/*.desktop /home/ostdeveloper
diff --git a/UbuntuMate16.04/32bit/shellScripts/runme.sh b/UbuntuMate16.04/32bit/shellScripts/runme.sh
index 55d7c65b84c757922161094cc515b301bc3bf82b..60059a4c7478d6b4149213100e724e40b642b620 100755
--- a/UbuntuMate16.04/32bit/shellScripts/runme.sh
+++ b/UbuntuMate16.04/32bit/shellScripts/runme.sh
@@ -5,7 +5,7 @@ mkdir /home/ostdeveloper/EducationSoftware/FlashPlayer
 mv /home/ostdeveloper/*.desktop "/home/ostdeveloper/Επιφάνεια εργασίας"
 chmod +x "/home/ostdeveloper/Επιφάνεια εργασίας/*.desktop"
 
-uxterm -e "wget -O /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.ι386.tar.gz http://ostdev.minedu.gov.gr/~pgeorg/customDistros/developerEdition/UbuntuMate/flash_player_npapi_linux.ι386.tar.gz ; tar xvf /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.ι386.tar.gz -C  /home/ostdeveloper/EducationSoftware/FlashPlayer ; echo xtremesource | sudo -S cp /home/ostdeveloper/EducationSoftware/FlashPlayer/libflashplayer.so /usr/lib/mozilla/plugins ; sudo cp -r /home/ostdeveloper/EducationSoftware/FlashPlayer/usr/* /usr ; sudo apt-get update ; sudo apt-get -y --force-yes install oracle-java8-installer ; sudo apt-get -y --force-yes install python-tk ; sudo apt-get -y --force-yes install phpmyadmin ; sudo apt-get -y --force-yes install nodejs ; sudo apt-get -y --force-yes install npm ; sudo apt-get -y --force-yes install xtightvncviewer ; sudo apt-get -y --force-yes install --reinstall ttf-mscorefonts-installer ; sudo apt-get -y --force-yes install ibus-gtk ibus-gtk3 ; sudo apt-get -y --force-yes install software-center ; sudo phpenmod mcrypt ; sudo phpenmod mbstring ; sudo dpkg -i --ignore-depends=libqt4-gui /home/ostdeveloper/VidyoDesktopInstaller-ubuntu32bit.deb ; sudo dpkg --add-architecture i386 ; sudo apt-get update ; sudo gpasswd -a ostdeveloper epoptes ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ orientation bottom ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ size 20 ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/bottom/ size 20 ; gsettings set org.freedesktop.ibus.general use-system-keyboard-layout true ; gsettings set org.freedesktop.ibus.panel show-icon-on-systray false ; gsettings set org.mate.caja.desktop computer-icon-visible true ; gsettings set org.mate.caja.desktop network-icon-visible true ; gsettings set org.mate.caja.desktop trash-icon-visible true ; rm /home/ostdeveloper/.config/autostart/RunME.desktop ; rm /home/ostdeveloper/Επιφάνεια\ εργασίας/RunME.desktop ; sudo dpkg --configure -a ; reboot"
+uxterm -e "wget -O /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.ι386.tar.gz http://ostdev.minedu.gov.gr/~pgeorg/customDistros/developerEdition/UbuntuMate/flash_player_npapi_linux.ι386.tar.gz ; tar xvf /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.ι386.tar.gz -C /home/ostdeveloper/EducationSoftware/FlashPlayer ; echo xtremesource | sudo -S cp /home/ostdeveloper/EducationSoftware/FlashPlayer/libflashplayer.so /usr/lib/mozilla/plugins ; sudo cp -r /home/ostdeveloper/EducationSoftware/FlashPlayer/usr/* /usr ; sudo apt-get update ; sudo apt-get -y --force-yes install oracle-java8-installer ; sudo apt-get -y --force-yes install python-tk ; sudo apt-get -y --force-yes install phpmyadmin ; sudo apt-get -y --force-yes install nodejs ; sudo apt-get -y --force-yes install npm ; sudo apt-get -y --force-yes install xtightvncviewer ; sudo apt-get -y --force-yes install ibus-gtk ibus-gtk3 ; sudo apt-get -y --force-yes install software-center ; sudo apt-get -y --force-yes install skype ; sudo /bin/sh /home/ostdeveloper/keys.sh ; sudo phpenmod mcrypt ; sudo phpenmod mbstring ; sudo dpkg --add-architecture i386 ; sudo apt-get update ; sudo dpkg -i --ignore-depends=libqt4-gui /home/ostdeveloper/VidyoDesktopInstaller-ubuntu32bit.deb ; sudo gpasswd -a ostdeveloper epoptes ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ orientation bottom ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ size 20 ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/bottom/ size 20 ; gsettings set org.freedesktop.ibus.general use-system-keyboard-layout true ; gsettings set org.freedesktop.ibus.panel show-icon-on-systray false ; gsettings set org.mate.caja.desktop computer-icon-visible true ; gsettings set org.mate.caja.desktop network-icon-visible true ; gsettings set org.mate.caja.desktop trash-icon-visible true ; rm /home/ostdeveloper/.config/autostart/RunME.desktop ; rm /home/ostdeveloper/Επιφάνεια\ εργασίας/RunME.desktop ; sudo dpkg --configure -a ; reboot"
 
 
 
diff --git a/UbuntuMate16.04/32bit/shellScripts/skype.desktop b/UbuntuMate16.04/32bit/shellScripts/skype.desktop
new file mode 100755
index 0000000000000000000000000000000000000000..7e7d2adfba4f7b08a6b93e621907967c12ca6ed2
--- /dev/null
+++ b/UbuntuMate16.04/32bit/shellScripts/skype.desktop
@@ -0,0 +1,12 @@
+#!/usr/bin/env xdg-open
+[Desktop Entry]
+Name=Skype
+Comment=Skype Internet Telephony
+Exec=env PULSE_LATENCY_MSEC=60 skype %U
+Icon=skype.png
+Terminal=false
+Type=Application
+Encoding=UTF-8
+Categories=Network;Application;
+MimeType=x-scheme-handler/skype;
+X-KDE-Protocols=skype
diff --git a/UbuntuMate16.04/32bit/shellScripts/sources.list b/UbuntuMate16.04/32bit/shellScripts/sources.list
index 072e927db31ca7daf6478bcd217b7bf3498c4a25..23c43b8304c625de7abb48b8d8b2a9fac34d7f2e 100755
--- a/UbuntuMate16.04/32bit/shellScripts/sources.list
+++ b/UbuntuMate16.04/32bit/shellScripts/sources.list
@@ -44,4 +44,4 @@ deb http://security.ubuntu.com/ubuntu xenial-security universe
 deb http://security.ubuntu.com/ubuntu xenial-security multiverse
 # deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
 deb http://gr.archive.ubuntu.com/ubuntu precise main universe
-
+deb http://archive.canonical.com/ubuntu zesty partner
diff --git a/UbuntuMate16.04/32bit/ubuntu_developer.seed b/UbuntuMate16.04/32bit/ubuntu_developer.seed
index adf560fb56758a43e621ba1114bd616c7428f260..167d7d3c5489692b60a576b37db8e2d567cb0742 100755
--- a/UbuntuMate16.04/32bit/ubuntu_developer.seed
+++ b/UbuntuMate16.04/32bit/ubuntu_developer.seed
@@ -381,7 +381,7 @@ tasksel tasksel/first multiselect ubuntu-desktop
 #d-i pkgsel/install-language-support boolean true
 #d-i pkgsel/language-pack-patterns string el_GR
 # Individual additional packages to install
-d-i pkgsel/include string openssh-client openssh-server mysql-server mysql-client putty php7.0 php7.0-curl php7.0-cgi php-mbstring php-gettext build-essential vim less git subversion default-jdk rsync curl xterm x11-utils xorg ubuntu-mate-desktop apache2 libapache2-mod-php libapache2-mod-php7.0 filezilla ubuntu-software python-pip sshfs q4wine flashplugin-installer alien python3-dev gparted gsfonts-x11 netbeans isomaster virtualbox ninja-ide k3b libxss1 libgconf2-4 libappindicator1 libindicator7 python-software-properties nano epoptes chromium-browser 
+d-i pkgsel/include string openssh-client openssh-server mysql-server mysql-client putty php7.0 php7.0-curl php7.0-cgi php-mbstring php-gettext build-essential vim less git subversion default-jdk rsync curl xterm x11-utils xorg ubuntu-mate-desktop apache2 libapache2-mod-php libapache2-mod-php7.0 filezilla ubuntu-software python-pip sshfs q4wine flashplugin-installer alien python3-dev gparted apt-transport-https whois gsfonts-x11 netbeans isomaster virtualbox ninja-ide k3b libxss1 libgconf2-4 libappindicator1 libindicator7 python-software-properties nano epoptes chromium-browser 
   
 # Whether to upgrade packages after debootstrap.
 # Allowed values: none, safe-upgrade, full-upgrade
diff --git a/UbuntuMate16.04/64bit/shellScripts/essentialfiles10.tar.gz b/UbuntuMate16.04/64bit/shellScripts/essentialfiles10.tar.gz
index f26f3e96e3601909ebf9de2699f7af1ecabb2e4d..f2e8856eda7515fe566760af63acb54e2183f15e 100644
Binary files a/UbuntuMate16.04/64bit/shellScripts/essentialfiles10.tar.gz and b/UbuntuMate16.04/64bit/shellScripts/essentialfiles10.tar.gz differ
diff --git a/UbuntuMate16.04/64bit/shellScripts/keys.sh b/UbuntuMate16.04/64bit/shellScripts/keys.sh
new file mode 100755
index 0000000000000000000000000000000000000000..1de0b806b73af471c5923528bd1cc8abd840dfcf
--- /dev/null
+++ b/UbuntuMate16.04/64bit/shellScripts/keys.sh
@@ -0,0 +1 @@
+echo xtremesource | sudo -S rm /etc/ssh/sshhostdsakey ; sudo rm /etc/ssh/sshhostrsakey ; sudo rm /etc/ssh/sshhostecdsa_key ; sudo ssh-keygen -t dsa -N "" -f /etc/ssh/sshhostdsakey ; sudo ssh-keygen -t rsa -N "" -f /etc/ssh/sshhostrsakey ; sudo ssh-keygen -t ecdsa -N "" -f /etc/ssh/sshhostecdsa_key
diff --git a/UbuntuMate16.04/64bit/shellScripts/postinstall.sh b/UbuntuMate16.04/64bit/shellScripts/postinstall.sh
index 3788bcf57f2384e5c78f901a41d53a0f05715a73..924c8757cbd77c46212f8093bdbd297b8523893e 100755
--- a/UbuntuMate16.04/64bit/shellScripts/postinstall.sh
+++ b/UbuntuMate16.04/64bit/shellScripts/postinstall.sh
@@ -8,6 +8,8 @@ dpkg -i /tmp/StarUML-v2.8.0-64-bit.deb
 dpkg -i /tmp/sublime-text_build_amd64.deb
 dpkg -i /tmp/code_1.12.2_amd64.deb
 mv /tmp/VidyoDesktopInstaller-ubuntu64bit.deb /home/ostdeveloper
+mv /tmp/keys.sh /home/ostdeveloper
+chmod +x /home/ostdeveloper/keys.sh
 echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main" | tee /etc/apt/sources.list.d/webupd8team-java.list
 echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main" | tee -a /etc/apt/sources.list.d/webupd8team-java.list
 mv /tmp/*.desktop /home/ostdeveloper
diff --git a/UbuntuMate16.04/64bit/shellScripts/runme.sh b/UbuntuMate16.04/64bit/shellScripts/runme.sh
index 7a2f17f6df7cf64f38801093e00cb73e5a70c7a0..e260cfd491c79f73929c80cb577dd51cab81700c 100755
--- a/UbuntuMate16.04/64bit/shellScripts/runme.sh
+++ b/UbuntuMate16.04/64bit/shellScripts/runme.sh
@@ -5,7 +5,7 @@ mkdir /home/ostdeveloper/EducationSoftware/FlashPlayer
 mv /home/ostdeveloper/*.desktop "/home/ostdeveloper/Επιφάνεια εργασίας"
 chmod +x "/home/ostdeveloper/Επιφάνεια εργασίας/*.desktop"
 
-uxterm -e "wget -O /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.x86_64.tar.gz http://ostdev.minedu.gov.gr/~pgeorg/customDistros/developerEdition/UbuntuMate/flash_player_npapi_linux.x86_64.tar.gz ; tar xvf /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.x86_64.tar.gz -C  /home/ostdeveloper/EducationSoftware/FlashPlayer ; echo xtremesource |sudo -S cp /home/ostdeveloper/EducationSoftware/FlashPlayer/libflashplayer.so /usr/lib/mozilla/plugins ; sudo cp -r /home/ostdeveloper/EducationSoftware/FlashPlayer/usr/* /usr ; sudo apt-get update ; sudo apt-get -y --force-yes install oracle-java8-installer ; sudo apt-get -y --force-yes install python-tk ; sudo apt-get -y --force-yes install phpmyadmin ; sudo apt-get -y --force-yes install nodejs ; sudo apt-get -y --force-yes install npm ; sudo apt-get -y --force-yes install xtightvncviewer ; sudo apt-get -y --force-yes install --reinstall ttf-mscorefonts-installer ; sudo apt-get -y --force-yes install ibus-gtk ibus-gtk3 ; sudo apt-get -y --force-yes install software-center ; sudo phpenmod mcrypt ; sudo phpenmod mbstring ; sudo dpkg -i --ignore-depends=libqt4-gui /home/ostdeveloper/VidyoDesktopInstaller-ubuntu64bit.deb ; sudo dpkg --add-architecture i386 ; sudo apt-get update ; sudo gpasswd -a ostdeveloper epoptes ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ orientation bottom ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ size 20 ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/bottom/ size 20 ; gsettings set org.freedesktop.ibus.general use-system-keyboard-layout true ; gsettings set org.freedesktop.ibus.panel show-icon-on-systray false ; gsettings set org.mate.caja.desktop computer-icon-visible true ; gsettings set org.mate.caja.desktop network-icon-visible true ; gsettings set org.mate.caja.desktop trash-icon-visible true ; rm /home/ostdeveloper/.config/autostart/RunME.desktop ; rm /home/ostdeveloper/Επιφάνεια\ εργασίας/RunME.desktop ; sudo dpkg --configure -a ; reboot"
+uxterm -e "wget -O /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.x86_64.tar.gz http://ostdev.minedu.gov.gr/~pgeorg/customDistros/developerEdition/UbuntuMate/flash_player_npapi_linux.x86_64.tar.gz ; tar xvf /home/ostdeveloper/EducationSoftware/FlashPlayer/flash_player_npapi_linux.x86_64.tar.gz -C /home/ostdeveloper/EducationSoftware/FlashPlayer ; echo xtremesource | sudo -S cp /home/ostdeveloper/EducationSoftware/FlashPlayer/libflashplayer.so /usr/lib/mozilla/plugins ; sudo cp -r /home/ostdeveloper/EducationSoftware/FlashPlayer/usr/* /usr ; sudo apt-get update ; sudo apt-get -y --force-yes install oracle-java8-installer ; sudo apt-get -y --force-yes install python-tk ; sudo apt-get -y --force-yes install phpmyadmin ; sudo apt-get -y --force-yes install nodejs ; sudo apt-get -y --force-yes install npm ; sudo apt-get -y --force-yes install xtightvncviewer ; sudo apt-get -y --force-yes install ibus-gtk ibus-gtk3 ; sudo apt-get -y --force-yes install software-center ; sudo apt-get -y --force-yes install skype ; sudo phpenmod mcrypt ; sudo phpenmod mbstring ; sudo dpkg --add-architecture i386 ; sudo apt-get update ; sudo /bin/sh /home/ostdeveloper/keys.sh ; sudo dpkg -i --ignore-depends=libqt4-gui /home/ostdeveloper/VidyoDesktopInstaller-ubuntu64bit.deb ; sudo gpasswd -a ostdeveloper epoptes ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ orientation bottom ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/top/ size 20 ; gsettings set org.mate.panel.toplevel:/org/mate/panel/toplevels/bottom/ size 20 ; gsettings set org.freedesktop.ibus.general use-system-keyboard-layout true ; gsettings set org.freedesktop.ibus.panel show-icon-on-systray false ; gsettings set org.mate.caja.desktop computer-icon-visible true ; gsettings set org.mate.caja.desktop network-icon-visible true ; gsettings set org.mate.caja.desktop trash-icon-visible true ; rm /home/ostdeveloper/.config/autostart/RunME.desktop ; rm /home/ostdeveloper/Επιφάνεια\ εργασίας/RunME.desktop ; sudo dpkg --configure -a ; reboot"
 
 
 
diff --git a/UbuntuMate16.04/64bit/shellScripts/skype.desktop b/UbuntuMate16.04/64bit/shellScripts/skype.desktop
new file mode 100755
index 0000000000000000000000000000000000000000..7e7d2adfba4f7b08a6b93e621907967c12ca6ed2
--- /dev/null
+++ b/UbuntuMate16.04/64bit/shellScripts/skype.desktop
@@ -0,0 +1,12 @@
+#!/usr/bin/env xdg-open
+[Desktop Entry]
+Name=Skype
+Comment=Skype Internet Telephony
+Exec=env PULSE_LATENCY_MSEC=60 skype %U
+Icon=skype.png
+Terminal=false
+Type=Application
+Encoding=UTF-8
+Categories=Network;Application;
+MimeType=x-scheme-handler/skype;
+X-KDE-Protocols=skype
diff --git a/UbuntuMate16.04/64bit/shellScripts/softwarecenter.desktop b/UbuntuMate16.04/64bit/shellScripts/softwarecenter.desktop
index 9a46260cf3816486e6ff3f3bf060ea9ba1047dd8..d744cb3df6a98e9c454cf82cbe81d6c63794b5f2 100755
--- a/UbuntuMate16.04/64bit/shellScripts/softwarecenter.desktop
+++ b/UbuntuMate16.04/64bit/shellScripts/softwarecenter.desktop
@@ -6,4 +6,4 @@ Terminal=false
 Name=Software Center
 Comment=Ubuntu Application Store
 Exec=/usr/bin/software-center %u
-Icon=/usr/share/icons/matefaenza/apps/96/softwarecenter.png
+Icon=/usr/share/icons/matefaenza/apps/scalable/softwarecenter.svg
diff --git a/UbuntuMate16.04/64bit/shellScripts/sources.list b/UbuntuMate16.04/64bit/shellScripts/sources.list
index 072e927db31ca7daf6478bcd217b7bf3498c4a25..23c43b8304c625de7abb48b8d8b2a9fac34d7f2e 100755
--- a/UbuntuMate16.04/64bit/shellScripts/sources.list
+++ b/UbuntuMate16.04/64bit/shellScripts/sources.list
@@ -44,4 +44,4 @@ deb http://security.ubuntu.com/ubuntu xenial-security universe
 deb http://security.ubuntu.com/ubuntu xenial-security multiverse
 # deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
 deb http://gr.archive.ubuntu.com/ubuntu precise main universe
-
+deb http://archive.canonical.com/ubuntu zesty partner
diff --git a/UbuntuMate16.04/64bit/ubuntu_developer.seed b/UbuntuMate16.04/64bit/ubuntu_developer.seed
index 4e830fb795e083ed9e8d7e47cf448483be4ababf..80ea07941b6245ed9856c7536f80933bc3caf814 100755
--- a/UbuntuMate16.04/64bit/ubuntu_developer.seed
+++ b/UbuntuMate16.04/64bit/ubuntu_developer.seed
@@ -381,7 +381,7 @@ tasksel tasksel/first multiselect ubuntu-desktop
 #d-i pkgsel/install-language-support boolean true
 #d-i pkgsel/language-pack-patterns string el_GR
 # Individual additional packages to install
-d-i pkgsel/include string openssh-client openssh-server mysql-server mysql-client putty php7.0 php7.0-curl php7.0-cgi php-mbstring php-gettext build-essential vim less git subversion default-jdk rsync curl xterm x11-utils xorg ubuntu-mate-desktop apache2 libapache2-mod-php libapache2-mod-php7.0 filezilla ubuntu-software python-pip sshfs q4wine flashplugin-installer alien python3-dev gparted gsfonts-x11 netbeans isomaster virtualbox ninja-ide k3b libxss1 libgconf2-4 libappindicator1 libindicator7 python-software-properties nano epoptes 
+d-i pkgsel/include string openssh-client openssh-server mysql-server mysql-client putty php7.0 php7.0-curl php7.0-cgi php-mbstring php-gettext build-essential vim less git subversion default-jdk rsync curl xterm x11-utils xorg ubuntu-mate-desktop apache2 libapache2-mod-php libapache2-mod-php7.0 filezilla ubuntu-software python-pip sshfs q4wine flashplugin-installer alien python3-dev gparted apt-transport-https whois gsfonts-x11 netbeans isomaster virtualbox ninja-ide k3b libxss1 libgconf2-4 libappindicator1 libindicator7 python-software-properties nano epoptes 
   
 # Whether to upgrade packages after debootstrap.
 # Allowed values: none, safe-upgrade, full-upgrade