mastodon.zunda.ninja is one of the many independent Mastodon servers you can use to participate in the fediverse.
Zundon is a single user instance as home of @zundan as well as a test bed for changes of the code.

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zunda

Ubuntu 18.04.6 LTSです

$ sudo apt update && apt list --upgradable
:
libasn1-8-heimdal/bionic-updates,bionic-security 7.5.0+dfsg-1ubuntu0.1 amd64 [upgradable from: 7.5.0+dfsg-1]
libgssapi3-heimdal/bionic-updates,bionic-security
libhcrypto4-heimdal/bionic-updates,bionic-security
libheimbase1-heimdal/bionic-updates,bionic-security
libheimntlm0-heimdal/bionic-updates,bionic-security
libhx509-5-heimdal/bionic-updates,bionic-security
libkrb5-26-heimdal/bionic-updates,bionic-security
libroken18-heimdal/bionic-updates,bionic-security
libwind0-heimdal/bionic-updates,bionic-security
$ sudo apt dist-upgrade -y
$ cat /var/run/reboot-required*
cat: '/var/run/reboot-required*': No such file or directory

ヨシ