安装过程无法安装更新，因为无法重新启动 mysql 进行 GNU libc 库升级。
invoke-rc.d <service> start所以它要求我在终端上运行，我照做了并收到以下输出：
See "systemctl status mysql.service" and "journalctl -xe" for details.
invoke-rc.d: initscript mysql, action "start" failed.
● mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Mon 2019-10-28 08:52:05 -03; 5ms ago
Process: 8689 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=217/USER)
的输出为ystemctl status mysql.service：
mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Mon 2019-10-28 08:52:06 -03; 41min ago
Process: 8695 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=217/USER)
out 28 08:52:06 tadeusvult systemd[1]: mysql.service: Service RestartSec=100ms expired, scheduli
out 28 08:52:06 tadeusvult systemd[1]: mysql.service: Scheduled restart job, restart counter is
out 28 08:52:06 tadeusvult systemd[1]: Stopped MySQL Community Server.
out 28 08:52:06 tadeusvult systemd[1]: mysql.service: Start request repeated too quickly.
out 28 08:52:06 tadeusvult systemd[1]: mysql.service: Failed with result 'exit-code'.
out 28 08:52:06 tadeusvult systemd[1]: Failed to start MySQL Community Server.
命令journalctl -xe给我：
out 28 09:33:12 tadeusvult gnome-shell[1995]: [AppIndicatorSupport-FATAL] unable to update overlay
out 28 09:33:12 tadeusvult systemd[1789]: Starting Virtual filesystem metadata service...
-- Subject: Unidade UNIT sendo iniciado
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A unidade UNIT está sendo iniciada.
out 28 09:33:12 tadeusvult dbus-daemon[1822]: [session uid=1000 pid=1822] Successfully activated s
out 28 09:33:12 tadeusvult systemd[1789]: Started Virtual filesystem metadata service.
-- Subject: Unidade UNIT concluiu a inicialização
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A unidade UNIT concluiu a inicialização.
--
-- The start-up result is done.
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:13 tadeusvult org.gnome.Shell.desktop[1995]: Window manager warning: Overwriting exis
out 28 09:33:40 tadeusvult systemd[1]: fprintd.service: Succeeded.
-- Subject: Unit succeeded
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- The unit fprintd.service has successfully entered the 'dead' state.
out 28 09:34:21 tadeusvult org.gnome.Shell.desktop[1995]: [9070:9070:1028/093421.764601:ERROR:buff