new-install

$ sudo apt install mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
mysql-server is already the newest version (8.0.18-1ubuntu18.04).
The following packages were automatically installed and are no longer required:
  gyp javascript-common libevent-core-2.1-6 libhttp-parser2.7.1 libjs-async libjs-inherits libjs-jquery libjs-node-uuid libjs-underscore libssl1.0-dev libuv1 libuv1-dev node-abbrev node-ansi
  node-ansi-color-table node-archy node-async node-balanced-match node-block-stream node-brace-expansion node-builtin-modules node-combined-stream node-concat-map node-cookie-jar node-delayed-stream
  node-forever-agent node-form-data node-fs.realpath node-fstream node-fstream-ignore node-github-url-from-git node-glob node-graceful-fs node-gyp node-hosted-git-info node-inflight node-inherits
  node-ini node-is-builtin-module node-isexe node-json-stringify-safe node-lockfile node-lru-cache node-mime node-minimatch node-mkdirp node-mute-stream node-node-uuid node-nopt
  node-normalize-package-data node-npmlog node-once node-osenv node-path-is-absolute node-pseudomap node-qs node-read node-read-package-json node-request node-retry node-rimraf node-semver node-sha
  node-slide node-spdx-correct node-spdx-expression-parse node-spdx-license-ids node-tar node-tunnel-agent node-underscore node-validate-npm-package-license node-which node-wrappy node-yallist
  nodejs-doc
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 30 not upgraded.
5 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
[master 7c216ce83c5f] saving uncommitted changes in /etc prior to apt run
 2 files changed, 5 insertions(+)
 create mode 100644 mysql/my.cnf.fallback
Setting up mysql-common (8.0.18-1ubuntu18.04) ...
update-alternatives: warning: forcing reinstallation of alternative /etc/mysql/my.cnf.fallback because link group my.cnf is broken
Setting up mysql-community-client (8.0.18-1ubuntu18.04) ...
Setting up mysql-client (8.0.18-1ubuntu18.04) ...
Setting up mysql-community-server (8.0.18-1ubuntu18.04) ...
Setting up mysql-server (8.0.18-1ubuntu18.04) ...
[master d5aeba3a47c1] committing changes in /etc after apt run
 3 files changed, 2 insertions(+), 1 deletion(-)
 create mode 120000 mysql/my.cnf
 delete mode 120000 systemd/system/mysql.service
W: APT had planned for dpkg to do more than it reported back (12 vs 16).
   Affected packages: mysql-common:amd64