Verified 1.1ubuntu1.18.04.7~16.04.2 on Xenial. $ dpkg -l unattended-upgrades | cat Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-===================-==========================-============-=========================================== ii unattended-upgrades 1.1ubuntu1.18.04.7~16.04.2 all automatic installation of security upgrades $ sudo unattended-upgrade --dry-run --debug --verbose Initial blacklisted packages: Initial whitelisted packages: Starting unattended upgrades script Allowed origins are: o=Ubuntu,a=xenial, o=Ubuntu,a=xenial-security, o=UbuntuESM,a=xenial ... wireshark-common wireshark-gtk wireshark-qt System is on metered connection, stopping $ nmcli -t -f GENERAL.DEVICE,GENERAL.METERED dev show `ip route list 0/0 | sed -r 's/.*dev (\S*).*/\1/g'` GENERAL.DEVICE:ens3 GENERAL.METERED:yes $ sudo nmcli connection modify 'Wired connection 1' connection.metered no $ nmcli -t -f GENERAL.DEVICE,GENERAL.METERED dev show `ip route list 0/0 | sed -r 's/.*dev (\S*).*/\1/g'` GENERAL.DEVICE:ens3 GENERAL.METERED:no $ sudo unattended-upgrade --dry-run --debug --verbose $ sudo unattended-upgrade --dry-run --debug --verbose Initial blacklisted packages: Initial whitelisted packages: Starting unattended upgrades script Allowed origins are: o=Ubuntu,a=xenial, o=Ubuntu,a=xenial-security, o=UbuntuESM,a=xenial Using (^linux-image-[0-9]+\.[0-9\.]+-.*|^linux-headers-[0-9]+\.[0-9\.]+-.*|^linux-image-extra-[0-9]+\.[0-9\.]+-.*|^linux-modules-[0-9]+\.[0-9\.]+-.*|^linux-modules-extra-[0-9]+\.[0-9\.]+-.*|^linux-signed-image-[0-9]+\.[0-9\.]+-.*|^kfreebsd-image-[0-9]+\.[0-9\.]+-.*|^kfreebsd-headers-[0-9]+\.[0-9\.]+-.*|^gnumach-image-[0-9]+\.[0-9\.]+-.*|^.*-modules-[0-9]+\.[0-9\.]+-.*|^.*-kernel-[0-9]+\.[0-9\.]+-.*|^linux-backports-modules-.*-[0-9]+\.[0-9\.]+-.*|^linux-modules-.*-[0-9]+\.[0-9\.]+-.*|^linux-tools-[0-9]+\.[0-9\.]+-.*|^linux-cloud-tools-[0-9]+\.[0-9\.]+-.*) regexp to find kernel packages Using (^linux-image-4\.15\.0\-39\-generic$|^linux-headers-4\.15\.0\-39\-generic$|^linux-image-extra-4\.15\.0\-39\-generic$|^linux-modules-4\.15\.0\-39\-generic$|^linux-modules-extra-4\.15\.0\-39\-generic$|^linux-signed-image-4\.15\.0\-39\-generic$|^kfreebsd-image-4\.15\.0\-39\-generic$|^kfreebsd-headers-4\.15\.0\-39\-generic$|^gnumach-image-4\.15\.0\-39\-generic$|^.*-modules-4\.15\.0\-39\-generic$|^.*-kernel-4\.15\.0\-39\-generic$|^linux-backports-modules-.*-4\.15\.0\-39\-generic$|^linux-modules-.*-4\.15\.0\-39\-generic$|^linux-tools-4\.15\.0\-39\-generic$|^linux-cloud-tools-4\.15\.0\-39\-generic$) regexp to find running kernel packages Checking: apt ([]) adjusting candidate version: apt=1.2.29ubuntu0.1 ... No conffiles in deb /var/cache/apt/archives/wireshark_2.6.6-1~ubuntu16.04.0_amd64.deb (There is no member named 'conffiles') blacklist: [] whitelist: [] Configured to install on shutdown, so exiting now $ $ sudo nmcli connection modify 'Wired connection 1' connection.metered yes ubuntu@ubuntu-Standard-PC-i440FX-PIIX-1996:~$ nmcli -t -f GENERAL.DEVICE,GENERAL.METERED dev show `ip route list 0/0 | sed -r 's/.*dev (\S*).*/\1/g'` GENERAL.DEVICE:ens3 GENERAL.METERED:yes $ echo ' Unattended-Upgrade::Skip-Updates-On-Metered-Connections "false";' | sudo tee /etc/apt/apt.conf.d/51unattended-upgrades-metered Unattended-Upgrade::Skip-Updates-On-Metered-Connections "false"; $ sudo eatmydata unattended-upgrade --dry-run --debug --verbose Initial blacklisted packages: Initial whitelisted packages: Starting unattended upgrades script Allowed origins are: o=Ubuntu,a=xenial, o=Ubuntu,a=xenial-security, o=UbuntuESM,a=xenial ... check_conffile_prompt(/var/cache/apt/archives/wireshark_2.6.6-1~ubuntu16.04.0_amd64.deb) found pkg: wireshark No conffiles in deb /var/cache/apt/archives/wireshark_2.6.6-1~ubuntu16.04.0_amd64.deb (There is no member named 'conffiles') blacklist: [] whitelist: [] Configured to install on shutdown, so exiting now