first commit

etc_org/apt/apt.conf.d/00aptitude

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+Aptitude::Get-Root-Command "sudo:/usr/bin/sudo";

etc_org/apt/apt.conf.d/01-vendor-ubuntu

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+Acquire::Changelogs::AlwaysOnline "true";

etc_org/apt/apt.conf.d/01autoremove

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+APT
+{
+  NeverAutoRemove
+  {
+	"^firmware-linux.*";
+	"^linux-firmware$";
+  };
+
+  VersionedKernelPackages
+  {
+	# linux kernels
+	"linux-image";
+	"linux-headers";
+	"linux-image-extra";
+	"linux-signed-image";
+	# kfreebsd kernels
+	"kfreebsd-image";
+	"kfreebsd-headers";
+	# hurd kernels
+	"gnumach-image";
+	# (out-of-tree) modules
+	".*-modules";
+	".*-kernel";
+	"linux-backports-modules-.*";
+        # tools
+        "linux-tools";
+  };
+
+  Never-MarkAuto-Sections
+  {
+	"metapackages";
+	"contrib/metapackages";
+	"non-free/metapackages";
+	"restricted/metapackages";
+	"universe/metapackages";
+	"multiverse/metapackages";
+  };
+
+  Move-Autobit-Sections
+  {
+	"oldlibs";
+	"contrib/oldlibs";
+	"non-free/oldlibs";
+	"restricted/oldlibs";
+	"universe/oldlibs";
+	"multiverse/oldlibs";
+  };
+};

etc_org/apt/apt.conf.d/01autoremove-kernels

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+// DO NOT EDIT! File autogenerated by /etc/kernel/postinst.d/apt-auto-removal
+APT::NeverAutoRemove
+{
+   "^linux-image-4\.4\.43-v7\+$";
+   "^linux-image-4\.8\.0-34-generic$";
+   "^linux-headers-4\.4\.43-v7\+$";
+   "^linux-headers-4\.8\.0-34-generic$";
+   "^linux-image-extra-4\.4\.43-v7\+$";
+   "^linux-image-extra-4\.8\.0-34-generic$";
+   "^linux-signed-image-4\.4\.43-v7\+$";
+   "^linux-signed-image-4\.8\.0-34-generic$";
+   "^kfreebsd-image-4\.4\.43-v7\+$";
+   "^kfreebsd-image-4\.8\.0-34-generic$";
+   "^kfreebsd-headers-4\.4\.43-v7\+$";
+   "^kfreebsd-headers-4\.8\.0-34-generic$";
+   "^gnumach-image-4\.4\.43-v7\+$";
+   "^gnumach-image-4\.8\.0-34-generic$";
+   "^.*-modules-4\.4\.43-v7\+$";
+   "^.*-modules-4\.8\.0-34-generic$";
+   "^.*-kernel-4\.4\.43-v7\+$";
+   "^.*-kernel-4\.8\.0-34-generic$";
+   "^linux-backports-modules-.*-4\.4\.43-v7\+$";
+   "^linux-backports-modules-.*-4\.8\.0-34-generic$";
+   "^linux-tools-4\.4\.43-v7\+$";
+   "^linux-tools-4\.8\.0-34-generic$";
+};
+/* Debug information:
+# dpkg list:
+iF  linux-image-4.8.0-34-generic          4.8.0-34.36~16.04.1                        armhf        Linux kernel image for version 4.8.0 on ARM (hard float) SMP
+# list of installed kernel packages:
+4.8.0-34-generic 4.8.0-34.36~16.04.1
+# list of different kernel versions:
+4.8.0-34.36~16.04.1
+# Installing kernel: 4.8.0-34.36~16.04.1 (4.8.0-34-generic)
+# Running kernel:  (4.4.43-v7+)
+# Last kernel: 4.8.0-34.36~16.04.1
+# Previous kernel: 
+# Kernel versions list to keep:
+4.8.0-34.36~16.04.1
+# Kernel packages (version part) to protect:
+4\.4\.43-v7\+
+4\.8\.0-34-generic
+*/

etc_org/apt/apt.conf.d/10periodic

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+APT::Periodic::Update-Package-Lists "0";
+APT::Periodic::Download-Upgradeable-Packages "0";
+APT::Periodic::AutocleanInterval "0";

etc_org/apt/apt.conf.d/15update-stamp

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+APT::Update::Post-Invoke-Success {"touch /var/lib/apt/periodic/update-success-stamp 2>/dev/null || true";};

etc_org/apt/apt.conf.d/20archive

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+APT::Archives::MaxAge "30";
+APT::Archives::MinAge "2";
+APT::Archives::MaxSize "500";

etc_org/apt/apt.conf.d/20auto-upgrades

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+APT::Periodic::Update-Package-Lists "0";
+APT::Periodic::Unattended-Upgrade "0";

etc_org/apt/apt.conf.d/20dbus

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+// Notify all clients to reload the cache
+APT::Update::Post-Invoke-Success { "[ ! -f /var/run/dbus/system_bus_socket ] || /usr/bin/dbus-send --system --dest=org.debian.apt --type=signal /org/debian/apt org.debian.apt.CacheChanged || true"; };

etc_org/apt/apt.conf.d/50raspi

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+# Never use pdiffs, current implementation is very slow on low-powered devices
+Acquire::PDiffs "0";

etc_org/apt/apt.conf.d/50unattended-upgrades

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+// Automatically upgrade packages from these (origin:archive) pairs
+Unattended-Upgrade::Allowed-Origins {
+	"${distro_id}:${distro_codename}";
+	"${distro_id}:${distro_codename}-security";
+//	"${distro_id}:${distro_codename}-updates";
+//	"${distro_id}:${distro_codename}-proposed";
+//	"${distro_id}:${distro_codename}-backports";
+};
+
+// List of packages to not update (regexp are supported)
+Unattended-Upgrade::Package-Blacklist {
+//	"vim";
+//	"libc6";
+//	"libc6-dev";
+//	"libc6-i686";
+};
+
+// This option allows you to control if on a unclean dpkg exit
+// unattended-upgrades will automatically run 
+//   dpkg --force-confold --configure -a
+// The default is true, to ensure updates keep getting installed
+//Unattended-Upgrade::AutoFixInterruptedDpkg "false";
+
+// Split the upgrade into the smallest possible chunks so that
+// they can be interrupted with SIGUSR1. This makes the upgrade
+// a bit slower but it has the benefit that shutdown while a upgrade
+// is running is possible (with a small delay)
+//Unattended-Upgrade::MinimalSteps "true";
+
+// Install all unattended-upgrades when the machine is shuting down
+// instead of doing it in the background while the machine is running
+// This will (obviously) make shutdown slower
+//Unattended-Upgrade::InstallOnShutdown "true";
+
+// Send email to this address for problems or packages upgrades
+// If empty or unset then no email is sent, make sure that you
+// have a working mail setup on your system. A package that provides
+// 'mailx' must be installed. E.g. "user@example.com"
+//Unattended-Upgrade::Mail "root";
+
+// Set this value to "true" to get emails only on errors. Default
+// is to always send a mail if Unattended-Upgrade::Mail is set
+//Unattended-Upgrade::MailOnlyOnError "true";
+
+// Do automatic removal of new unused dependencies after the upgrade
+// (equivalent to apt-get autoremove)
+//Unattended-Upgrade::Remove-Unused-Dependencies "false";
+
+// Automatically reboot *WITHOUT CONFIRMATION*
+//  if the file /var/run/reboot-required is found after the upgrade 
+//Unattended-Upgrade::Automatic-Reboot "false";
+
+// If automatic reboot is enabled and needed, reboot at the specific
+// time instead of immediately
+//  Default: "now"
+//Unattended-Upgrade::Automatic-Reboot-Time "02:00";
+
+// Use apt bandwidth limit feature, this example limits the download
+// speed to 70kb/sec
+//Acquire::http::Dl-Limit "70";

etc_org/apt/apt.conf.d/70debconf

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+// Pre-configure all packages with debconf before they are installed.
+// If you don't like it, comment it out.
+DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt || true";};

etc_org/apt/apt.conf.d/99update-notifier

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+#DPkg::Post-Invoke {"if [ -d /var/lib/update-notifier ]; then touch /var/lib/update-notifier/dpkg-run-stamp; fi; /usr/lib/update-notifier/update-motd-updates-available 2>/dev/null || true";};
+#APT::Update::Post-Invoke-Success {"/usr/lib/update-notifier/update-motd-updates-available 2>/dev/null || true";};