NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!
In order to log into MariaDB to secure it, we’ll need the current
password for the root user. If you’ve just installed MariaDB, and
you haven’t set the root password yet, the password will be blank,
so you should just press enter here.
Enter current password for root (enter for none):
OK, successfully used password, moving on…
Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.
Set root password? [Y/n] y
New password:
Re-enter new password:
Password updated successfully!
Reloading privilege tables..
… Success!
By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them. This is intended only for testing, and to make the installation
go a bit smoother. You should remove them before moving into a
production environment.
Remove anonymous users? [Y/n] y
… Success!
Normally, root should only be allowed to connect from ‘localhost’. This
ensures that someone cannot guess at the root password from the network.
Disallow root login remotely? [Y/n] y
… Success!
By default, MariaDB comes with a database named ‘test’ that anyone can
access. This is also intended only for testing, and should be removed
before moving into a production environment.
Remove test database and access to it? [Y/n] y
– Dropping test database…
… Success!
– Removing privileges on test database…
… Success!
Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.
Reload privilege tables now? [Y/n] y
… Success!
Cleaning up…
All done! If you’ve completed all of the above steps, your MariaDB
installation should now be secure.
Thanks for using MariaDB!
@MariaDBにrootユーザで接続する # mysql -u root -p
Enter password: 設定したパスワードを入力
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 38
Server version: 10.1.34-MariaDB-0ubuntu0.18.04.1 Ubuntu 18.04
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the current input statement.
MariaDB [(none)]> select user,host,password from mysql.user;
+——+———–+——————————————-+
| user | host | password |
+——+———–+——————————————-+
| root | localhost | ************************ |
+——+———–+——————————————-+
1 row in set (0.00 sec)
MariaDB [(none)]> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| performance_schema |
+——————–+
3 rows in set (0.01 sec)
$sudo -s
[sudo] password for ***: 自身のパスワード入力
# 遷移完了
# passwd root
Enter new UNIX password: rootユーザパスワード入力
Retype new UNIX password: 確認再入力
passwd: password updated successfully
# exit 自身のユーザーへ戻る
exit
$ su –
Password: rootユーザパスワード入力
# 遷移完了
3.vimの設定
テキストエディタはコンフィグ設定など非常に使う機会が多いために便利なよう設定しておきます。
#apt install vim -y
#vi ~/.vimrc
[新規ファイル]
” vim の独自拡張機能を使用(viとの互換性無し)
set nocompatible
” 文字コードを指定
set encoding=utf-8
” 自動認識させる改行コードを指定
set fileformats=unix,dos
” 検索語にマッチした単語をハイライト
” 逆は [ set nohlsearch ]
set hlsearch
” 行番号を表示
” 逆は [ set nonumber ]
set number
” 改行 ( $ ) やタブ ( ^I ) を可視化
set list
” 括弧入力時に対応する括弧を強調
set showmatch
” 構文ごとに色分け表示
” 逆は [ syntax off ]
syntax on
” [ syntax on ] の場合のコメント文の色を変更
highlight Comment ctermfg=LightCyan
” ウィンドウ幅で行を折り返す
” 逆は [ set nowrap ]
set wrap