Ubuntu 14.04.6 LTS+ESMですう
$ sudo apt update && apt list --upgradable
:
zlib1g/trusty-infra-security 1:1.2.8.dfsg-1ubuntu1.1+esm2 i386 [upgradable from: 1:1.2.8.dfsg-1ubuntu1.1+esm1]
$ sudo apt-get upgrade -y
$ cat /var/run/reboot-required*
cat: /var/run/reboot-required*: No such file or directory
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