MySQLに関するすべてを完全に削除する必要があります。開始していなかったので、削除することにしました。しかし、インストール中にこれが起こりました:
sta@daPC:~$ sudo apt-get install mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libdbd-mysql-perl libmysqlclient18 mysql-client-5.6 mysql-common
mysql-server-5.6
Suggested packages:
mailx tinyca
The following NEW packages will be installed:
libdbd-mysql-perl libmysqlclient18 mysql-client-5.6 mysql-common
mysql-server mysql-server-5.6
0 upgraded, 6 newly installed, 0 to remove and 87 not upgraded.
Need to get 0 B/12,0 MB of archives.
After this operation, 101 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Preconfiguring packages ...
Selecting previously unselected package mysql-common.
(Reading database ... 188526 files and directories currently installed.)
Preparing to unpack .../mysql-common_5.6.28-0ubuntu0.15.10.1_all.deb ...
Unpacking mysql-common (5.6.28-0ubuntu0.15.10.1) ...
Selecting previously unselected package libmysqlclient18:i386.
Preparing to unpack .../libmysqlclient18_5.6.28-0ubuntu0.15.10.1_i386.deb ...
Unpacking libmysqlclient18:i386 (5.6.28-0ubuntu0.15.10.1) ...
Selecting previously unselected package libdbd-mysql-perl.
Preparing to unpack .../libdbd-mysql-perl_4.028-2_i386.deb ...
Unpacking libdbd-mysql-perl (4.028-2) ...
Selecting previously unselected package mysql-client-5.6.
Preparing to unpack .../mysql-client-5.6_5.6.28-0ubuntu0.15.10.1_i386.deb ...
Unpacking mysql-client-5.6 (5.6.28-0ubuntu0.15.10.1) ...
Processing triggers for man-db (2.7.4-1) ...
Setting up mysql-common (5.6.28-0ubuntu0.15.10.1) ...
update-alternatives: using /etc/mysql/my.cnf.fallback to provide /etc/mysql/my.cnf (my.cnf) in auto mode
Selecting previously unselected package mysql-server-5.6.
(Reading database ... 188621 files and directories currently installed.)
Preparing to unpack .../mysql-server-5.6_5.6.28-0ubuntu0.15.10.1_i386.deb ...
Unpacking mysql-server-5.6 (5.6.28-0ubuntu0.15.10.1) ...
Selecting previously unselected package mysql-server.
Preparing to unpack .../mysql-server_5.6.28-0ubuntu0.15.10.1_all.deb ...
Unpacking mysql-server (5.6.28-0ubuntu0.15.10.1) ...
Processing triggers for man-db (2.7.4-1) ...
Processing triggers for ureadahead (0.100.0-19) ...
ureadahead will be reprofiled on next reboot
Processing triggers for systemd (225-1ubuntu9) ...
Setting up libmysqlclient18:i386 (5.6.28-0ubuntu0.15.10.1) ...
Setting up libdbd-mysql-perl (4.028-2) ...
Setting up mysql-client-5.6 (5.6.28-0ubuntu0.15.10.1) ...
Setting up mysql-server-5.6 (5.6.28-0ubuntu0.15.10.1) ...
update-alternatives: using /etc/mysql/mysql.cnf to provide /etc/mysql/my.cnf (my.cnf) in auto mode
2016-02-17 04:13:48 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2016-02-17 04:13:48 0 [Note] /usr/sbin/mysqld (mysqld 5.6.28-0ubuntu0.15.10.1) starting as process 13491 ...
ご覧のように、MySQLサーバーの再起動に固執しています。新規インストールのためにMySQLを完全に削除するにはどうすればよいですか?
編集:コンピュータを再起動した後、問題は解決しました。問題も実際の解決策も検出できなかったので、回答として投稿していません。