Ubuntu 14.04.6 LTS+ESMもいっとこ
$ sudo apt update && apt list --upgradable
:
python-pkg-resources/trusty-infra-security 3.3-1ubuntu2+esm1 all [upgradable from: 3.3-1ubuntu2]
python3-pkg-resources/trusty-infra-security 3.3-1ubuntu2+esm1 all [upgradable from: 3.3-1ubuntu2]
$ sudo apt-get upgrade -y
$ cat /var/run/reboot-required*
cat: /var/run/reboot-required*: No such file or directory
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