Default unattended-upgrades config
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root/etc/apt/apt.conf.d/20auto-upgrades
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root/etc/apt/apt.conf.d/20auto-upgrades
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APT::Periodic::Update-Package-Lists "1";
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APT::Periodic::Unattended-Upgrade "1";
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root/etc/apt/apt.conf.d/50unattended-upgrades
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root/etc/apt/apt.conf.d/50unattended-upgrades
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// Unattended-Upgrade::Origins-Pattern controls which packages are
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// upgraded.
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//
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// Lines below have the format "keyword=value,...". A
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// package will be upgraded only if the values in its metadata match
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// all the supplied keywords in a line. (In other words, omitted
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// keywords are wild cards.) The keywords originate from the Release
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// file, but several aliases are accepted. The accepted keywords are:
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// a,archive,suite (eg, "stable")
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// c,component (eg, "main", "contrib", "non-free")
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// l,label (eg, "Debian", "Debian-Security")
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// o,origin (eg, "Debian", "Unofficial Multimedia Packages")
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// n,codename (eg, "jessie", "jessie-updates")
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// site (eg, "http.debian.net")
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// The available values on the system are printed by the command
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// "apt-cache policy", and can be debugged by running
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// "unattended-upgrades -d" and looking at the log file.
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//
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// Within lines unattended-upgrades allows 2 macros whose values are
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// derived from /etc/debian_version:
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// ${distro_id} Installed origin.
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// ${distro_codename} Installed codename (eg, "buster")
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Unattended-Upgrade::Origins-Pattern {
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// Codename based matching:
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// This will follow the migration of a release through different
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// archives (e.g. from testing to stable and later oldstable).
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// Software will be the latest available for the named release,
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// but the Debian release itself will not be automatically upgraded.
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// "origin=Debian,codename=${distro_codename}-updates";
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// "origin=Debian,codename=${distro_codename}-proposed-updates";
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"origin=Debian,codename=${distro_codename},label=Debian";
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"origin=Debian,codename=${distro_codename},label=Debian-Security";
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"origin=Debian,codename=${distro_codename}-security,label=Debian-Security";
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// Archive or Suite based matching:
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// Note that this will silently match a different release after
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// migration to the specified archive (e.g. testing becomes the
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// new stable).
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// "o=Debian,a=stable";
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// "o=Debian,a=stable-updates";
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// "o=Debian,a=proposed-updates";
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// "o=Debian Backports,a=${distro_codename}-backports,l=Debian Backports";
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};
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// Python regular expressions, matching packages to exclude from upgrading
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Unattended-Upgrade::Package-Blacklist {
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// The following matches all packages starting with linux-
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// "linux-";
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// Use $ to explicitely define the end of a package name. Without
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// the $, "libc6" would match all of them.
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// "libc6$";
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// "libc6-dev$";
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// "libc6-i686$";
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// Special characters need escaping
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// "libstdc\+\+6$";
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// The following matches packages like xen-system-amd64, xen-utils-4.1,
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// xenstore-utils and libxenstore3.0
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// "(lib)?xen(store)?";
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// For more information about Python regular expressions, see
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// https://docs.python.org/3/howto/regex.html
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};
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// This option allows you to control if on a unclean dpkg exit
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// unattended-upgrades will automatically run
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// dpkg --force-confold --configure -a
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// The default is true, to ensure updates keep getting installed
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//Unattended-Upgrade::AutoFixInterruptedDpkg "true";
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// Split the upgrade into the smallest possible chunks so that
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// they can be interrupted with SIGTERM. This makes the upgrade
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// a bit slower but it has the benefit that shutdown while a upgrade
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// is running is possible (with a small delay)
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//Unattended-Upgrade::MinimalSteps "true";
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// Install all updates when the machine is shutting down
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// instead of doing it in the background while the machine is running.
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// This will (obviously) make shutdown slower.
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// Unattended-upgrades increases logind's InhibitDelayMaxSec to 30s.
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// This allows more time for unattended-upgrades to shut down gracefully
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// or even install a few packages in InstallOnShutdown mode, but is still a
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// big step back from the 30 minutes allowed for InstallOnShutdown previously.
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// Users enabling InstallOnShutdown mode are advised to increase
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// InhibitDelayMaxSec even further, possibly to 30 minutes.
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//Unattended-Upgrade::InstallOnShutdown "false";
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// Send email to this address for problems or packages upgrades
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// If empty or unset then no email is sent, make sure that you
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// have a working mail setup on your system. A package that provides
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// 'mailx' must be installed. E.g. "user@example.com"
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//Unattended-Upgrade::Mail "";
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// Set this value to one of:
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// "always", "only-on-error" or "on-change"
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// If this is not set, then any legacy MailOnlyOnError (boolean) value
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// is used to chose between "only-on-error" and "on-change"
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//Unattended-Upgrade::MailReport "on-change";
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// Remove unused automatically installed kernel-related packages
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// (kernel images, kernel headers and kernel version locked tools).
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//Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";
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// Do automatic removal of newly unused dependencies after the upgrade
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//Unattended-Upgrade::Remove-New-Unused-Dependencies "true";
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// Do automatic removal of unused packages after the upgrade
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// (equivalent to apt-get autoremove)
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//Unattended-Upgrade::Remove-Unused-Dependencies "false";
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// Automatically reboot *WITHOUT CONFIRMATION* if
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// the file /var/run/reboot-required is found after the upgrade
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//Unattended-Upgrade::Automatic-Reboot "false";
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// Automatically reboot even if there are users currently logged in
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// when Unattended-Upgrade::Automatic-Reboot is set to true
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//Unattended-Upgrade::Automatic-Reboot-WithUsers "true";
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// If automatic reboot is enabled and needed, reboot at the specific
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// time instead of immediately
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// Default: "now"
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//Unattended-Upgrade::Automatic-Reboot-Time "02:00";
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// Use apt bandwidth limit feature, this example limits the download
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// speed to 70kb/sec
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//Acquire::http::Dl-Limit "70";
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// Enable logging to syslog. Default is False
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// Unattended-Upgrade::SyslogEnable "false";
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// Specify syslog facility. Default is daemon
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// Unattended-Upgrade::SyslogFacility "daemon";
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// Download and install upgrades only on AC power
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// (i.e. skip or gracefully stop updates on battery)
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// Unattended-Upgrade::OnlyOnACPower "true";
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// Download and install upgrades only on non-metered connection
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// (i.e. skip or gracefully stop updates on a metered connection)
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// Unattended-Upgrade::Skip-Updates-On-Metered-Connections "true";
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// Verbose logging
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// Unattended-Upgrade::Verbose "false";
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// Print debugging information both in unattended-upgrades and
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// in unattended-upgrade-shutdown
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// Unattended-Upgrade::Debug "false";
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// Allow package downgrade if Pin-Priority exceeds 1000
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// Unattended-Upgrade::Allow-downgrade "false";
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// When APT fails to mark a package to be upgraded or installed try adjusting
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// candidates of related packages to help APT's resolver in finding a solution
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// where the package can be upgraded or installed.
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// This is a workaround until APT's resolver is fixed to always find a
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// solution if it exists. (See Debian bug #711128.)
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// The fallback is enabled by default, except on Debian's sid release because
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// uninstallable packages are frequent there.
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// Disabling the fallback speeds up unattended-upgrades when there are
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// uninstallable packages at the expense of rarely keeping back packages which
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// could be upgraded or installed.
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// Unattended-Upgrade::Allow-APT-Mark-Fallback "true";
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