update from ran

pages/UbuntuAutoUpgrade.md

@@ -9,24 +9,50 @@ apt-get install unattended-upgrades
 Edit /etc/apt/apt.conf.d/10periodic
 
 ```
+// Enable the update/upgrade script (0=disable)
+APT::Periodic::Enable "1";
+
+// Do "apt-get update" automatically every n-days (0=disable)
 APT::Periodic::Update-Package-Lists "1";
+
+// Do "apt-get upgrade --download-only" every n-days (0=disable)
 APT::Periodic::Download-Upgradeable-Packages "1";
-APT::Periodic::AutocleanInterval "7";
+
+// Run the "unattended-upgrade" security upgrade script
+// every n-days (0=disabled)
+// Requires the package "unattended-upgrades" and will write
+// a log in /var/log/unattended-upgrades
 APT::Periodic::Unattended-Upgrade "1";
+
+// Do "apt-get autoclean" every n-days (0=disable)
+APT::Periodic::AutocleanInterval "7";
+
+// Try to cover vuln
+// APT::Acquire::http::AllowRedirect "0";
 ```
 
 Edit /etc/apt/apt.conf.d/50unattended-upgrades
 
 ```
 // Automatically upgrade packages from these (origin:archive) pairs
+//
+// Note that in Ubuntu security updates may pull in new dependencies
+// from non-security sources (e.g. chromium). By allowing the release
+// pocket these get automatically pulled in.
 Unattended-Upgrade::Allowed-Origins {
+        "${distro_id}:${distro_codename}";
         "${distro_id}:${distro_codename}-security";
+        // Extended Security Maintenance; doesn't necessarily exist for
+        // every release and this system may not have it installed, but if
+        // available, the policy for updates is such that unattended-upgrades
+        // should also install from here by default.
+        "${distro_id}ESM:${distro_codename}";
         "${distro_id}:${distro_codename}-updates";
 //      "${distro_id}:${distro_codename}-proposed";
 //      "${distro_id}:${distro_codename}-backports";
 };
 
-// List of packages to not update
+// List of packages to not update (regexp are supported)
 Unattended-Upgrade::Package-Blacklist {
 //      "vim";
 //      "libc6";
@@ -34,6 +60,10 @@ Unattended-Upgrade::Package-Blacklist {
 //      "libc6-i686";
 };
 
+// This option will controls whether the development release of Ubuntu will be
+// upgraded automatically.
+Unattended-Upgrade::DevRelease "false";
+
 // This option allows you to control if on a unclean dpkg exit
 // unattended-upgrades will automatically run 
 //   dpkg --force-confold --configure -a
@@ -41,12 +71,12 @@ Unattended-Upgrade::Package-Blacklist {
 //Unattended-Upgrade::AutoFixInterruptedDpkg "false";
 
 // Split the upgrade into the smallest possible chunks so that
-// they can be interrupted with SIGUSR1. This makes the upgrade
+// they can be interrupted with SIGTERM. 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";
+//Unattended-Upgrade::MinimalSteps "false";
 
-// Install all unattended-upgrades when the machine is shuting down
+// Install all unattended-upgrades when the machine is shutting down
 // instead of doing it in the background while the machine is running
 // This will (obviously) make shutdown slower
 //Unattended-Upgrade::InstallOnShutdown "true";
@@ -54,23 +84,47 @@ Unattended-Upgrade::Package-Blacklist {
 // 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.
+// 'mailx' must be installed. E.g. "user@example.com"
-//Unattended-Upgrade::Mail "root@localhost";
+//Unattended-Upgrade::Mail "root";
+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";
 
+// Remove unused automatically installed kernel-related packages
+// (kernel images, kernel headers and kernel version locked tools).
+//Unattended-Upgrade::Remove-Unused-Kernel-Packages "false";
+
 // Do automatic removal of new unused dependencies after the upgrade
 // (equivalent to apt-get autoremove)
+//Unattended-Upgrade::Remove-Unused-Dependencies "false";
 Unattended-Upgrade::Remove-Unused-Dependencies "true";
 
-// Automatically reboot *WITHOUT CONFIRMATION* if a 
+// Automatically reboot *WITHOUT CONFIRMATION*
-// the file /var/run/reboot-required is found after the upgrade 
+//  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";
+
+// Enable logging to syslog. Default is False
+// Unattended-Upgrade::SyslogEnable "false";
+
+// Specify syslog facility. Default is daemon
+// Unattended-Upgrade::SyslogFacility "daemon";
+
+// Download and install upgrades only on AC power
+// (i.e. skip or gracefully stop updates on battery)
+// Unattended-Upgrade::OnlyOnACPower "true";
+
+// Download and install upgrades only on non-metered connection
+// (i.e. skip or gracefully stop updates on a metered connection)
+// Unattended-Upgrade::Skip-Updates-On-Metered-Connections "true";
 ```