さくらのVPSでCentos8LAMP環境構築2 MariaDBとPhpMyAdmin
その1に引き続きさくらのVPSでCentOS8+LAMP環境の構築。MariaDBとPhpMyAdminを使えるようにする。
MariaDB
前回まででインストールはされているので初期設定。
# mysql_secure_installation 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): ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) Enter current password for root (enter for none): ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) Enter current password for root (enter for none):
以前はパスワード空でできた初期設定ができなくなっている。ログ( /var/log/mariadb/mariadb.log)に書いてあるよって記事を見かけたがパスワードの記載はなかった・・・無理やり設定して対応する。
# mysql use mysql; ALTER USER 'root'@'localhost' IDENTIFIED BY "Password"; exit
これでとりあえずrootのパスワードが設定できた。
# mysql_secure_installation 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. You already have a root password set, so you can safely answer 'n'. Change the root password? [Y/n] n ... skipping. 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!
今度は成功。
PhpMyAdmin
にアクセスして最新のものをダウンロード。しないでダウンロードリンクのURLを入手
wgetで取得したURLからZIPダウンロード展開する。
# cd /var/www/html/ # wget https://files.phpmyadmin.net/phpMyAdmin/5.0.4/phpMyAdmin-5.0.4-all-languages.zip # unzip phpMyAdmin-5.0.4-all-languages.zip # rm unzip phpMyAdmin-5.0.4-all-languages.zip
phpMyAdminのURLはできるだけ秘匿したいのでフォルダをリネーム。私はGUIDを生成(小文字ハイフンなし括弧なし)してそれにフォルダ名を変えています。
# mv phpMyAdmin-5.0.4-all-languages/ {推測されにくいパス}
でhttps://{ドメイン}/ {推測されにくいパス}/にアクセスしてみるが500が返ってくる。エラーログ(さくらのVPSLAMP環境だと/var/log/php-fpm/www-error.log)を見てみるとjson絡みの関数がないよとのこと。必要なパッケージをインストールする。
#dnf install php-json
でこれでログイン画面が表示された。
初期設定時に設定したrootとパスワードでログイン可能です。
tmpフォルダにアクセスできなと警告が出たのでフォルダを作成しておきます。
# cd { {推測されにくいパス}} # mkdir tmp # chown apache:apache tmp
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