Ubuntu 18.04.6 LTSわよ
$ sudo apt update && apt list --upgradable
:
libnss-systemd/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
libpam-systemd/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
libsystemd0/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
libudev1/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
systemd/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
systemd-sysv/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
udev/bionic-updates,bionic-security 237-3ubuntu10.56 amd64 [upgradable from: 237-3ubuntu10.54]
$ sudo apt dist-upgrade -y
$ cat /var/run/reboot-required*
cat: '/var/run/reboot-required*': No such file or directory
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