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Don't be tied to capacity with "Nextcloud"

Chapter structure

  1. What is tha Nextcloud
  2. Diagram
  3. Nextcloud construcyion 3-1. Install of MariaDB (DB server side) 3-2. Prepare for DB 3-3. Install of Nextcloud, httpd and PHP and DB (Nextcloud server side) 3-4. Prepare for DB 3-5. Prepare of Nextcloud server 3-6. Setup of Nextcloud
  4. Trouble management

1.What is the Nextcloud

"Nextcloud" は使いやすく安全性が高いように設計された、自己ホスト型のオープンソースのファイル同期および共有ソリューションです。 写真や動画、書類などのデータを保存することができ、メンバーとの共有することもできます。DropBoxとほぼ同じ機能が備わっています。

2.Diagram

項目 詳細
OS CentOS 7
Nextcloud 17.0.2
httpd Apache/2.4.6
PHP 7.3.13
MariaDB 10.4.11

image

3.Nextcloud construcyion

The procedure up to the construction of "Nextcloud" is shown.

3-1.Install of MariaDB (DB server side)

Prepare a repository.

# cat <<EOF | sudo tee /etc/yum.repos.d/MariaDB.repo
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.4/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
EOF

(/etc/my.cnf.d/server.cnf)


[mysqld]
character-set-server = utf8  <--追加

Install necessary packages MariaDB.

# yum -y install MariaDB-server MariaDB-client

Release for port of mariadb.

# firewall-cmd --add-service=mysql
# firewall-cmd --runtime-to-permanent
# firewall-cmd --reload

To start MariaDB.

# systemctl enable mariadb
# systemctl start mariadb

3-2.Construction NFS environment for storing data

NFS Server side

Installing to client side neccessary packages of nfs.

# yum -y install nfs-utils

(/etc/export)

/mnt/nextcloud/data (NFS client IPaddress)(rw)

Start nfs-server & rpcbind

# systemctl enable nfs-server,rpcbind
# systemctl start nfs-server.rpcbind

NFS cilent side

Installing to client side neccessary packages of nfs.

# yum -y install nfs-utils

Start nfs-server & rpcbind

# systemctl enable nfs-server,rpcbind
# systemctl start nfs-server.rpcbind

Mount to client side.

# mount -t nfs (nfs server 'IPaddress' or 'hostname'):/mnt/nextcloud/data /mnt/nextcloud/data

(/etc/fstab)

/dev/mapper/centos-root /                       xfs     defaults        1 1
UUID=a18716b4-cd67-4aec-af91-51be7bce2a0b /boot xfs     defaults        1 2
/dev/mapper/centos-swap swap                    swap    defaults        0 0

(nfs server 'IPaddress' or 'hostname'):/mnt/nextcloud/data /mnt/nextcloud/data                   nfs     defaults        0 0

3-3.Prepare for DB

Setup for password of "root".

# 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):  <--Enter
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!

# mysql -u root -p
Enter password:  <-- Enter password
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 9
Server version: 10.4.11-MariaDB MariaDB Server

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)]>

Create a user for "Nextcloud". DBUserName: nextcloud DBpassword: password

MariaDB [(none)]> CREATE DATABASE nextcloud;
MariaDB [(none)]> CREATE USER 'nextcloud'@'Nextclooud server ip address' IDENTIFIED BY 'password';

Gives access to the database.

MariaDB [(none)]> GRANT ALL PRIVILEGES ON *.* TO 'nextcloud'@'Nextcloud server ip address' with grant option;
MariaDB [(none)]> FLUSH PRIVILEGES;

3-4.Install of httpd and PHP and DB (Nextcloud server side)

Install the necessary packages for building Nextcloud.

# yum -y remove php-*
# yum -y install epel-release yum-utils
# rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm
# yum -y install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
# yum -y install --enablerepo=remi,remi-php72 php php-gd php-json php-mysql php-curl php-mbstring
# yum -y install --enablerepo=remi,remi-php72 php-intl php-mcrypt php-imagick php-xml php-zip php-process php-apcu php-opcache
# yum -y install vim unzip wget httpd mod_ssl bash-completion policycoreutils-python mlocate bzip2 memcached \
php-cli php-mysqlnd php-devel php-pear php-bcmath php-pdo php-pecl-apcu php-pecl-zip

# wget https://download.nextcloud.com/server/releases/nextcloud-18.0.4.zip

# php -v
PHP 7.2.27 (cli) (built: Jan 22 2020 09:31:55) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies

Release for port of httpd and Mariadb.

# firewall-cmd --add-service={http,https}
# firewall-cmd --runtime-to-permanent
# firewall-cmd --reload

(Release SELinux)

# sudo setenforce 0
# sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config

# restorecon -R '/var/www/html/nextcloud/'

# setsebool -P httpd_can_network_connect on

"PHPのメモリ制限は推奨値512MBを下回ります。"警告が出てしまうので、以下のように修正 (/etc/php.ini)

404 ; Maximum amount of memory a script may consume (128MB)
405 ; http://php.net/memory-limit
406 ; memory_limit = 128M
407 memory_limit = 512M

timezone は日本の場合は"Asia/Toyko"に設定 (/etc/php.ini)

~省略~

901 [Date]
902 ; Defines the default timezone used by the date functions
903 ; http://php.net/date.timezone
904 date.timezone = "Asia/Tokyo"  <--"Asia/Tokyo"に設定

~省略~

メモリキャッシュを設定するためにmemcacheを記載します。 "$CONFIG = array ()" 内の一番下に追加します。 (/var/www/html/nextcloud/config/config.php)

<?php
$CONFIG = array (
    
    ~省略~
    
    'memcache.local' => '\OC\Memcache\APCu',
)

PHP OPcache の設定 (/etc/php.d/10-opcache.ini)

~上記省略~

opcache.enable=1
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=10000
opcache.save_comments=1
opcache.revalidate_freq=1

3-5.Prepare for DB

Prepare a repository.

# cat <<EOF | sudo tee /etc/yum.repos.d/MariaDB.repo
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.4/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
EOF

Install necessary packages MariaDB.

# yum -y install MariaDB-server MariaDB-client

Release for port of mariadb.

# firewall-cmd --add-service=mysql
# firewall-cmd --runtime-to-permanent
# firewall-cmd --reload

To start MariaDB.

# systemctl enable mariadb
# systemctl start mariadb

# mysql -u nextcloud -p -h (Nextcloud server IPaddress)
password:  <-- CREATE USER の際に設定したパスワード

3-6.Prepare of Nextcloud server

Install of "Nextcloud".

# unzip nextcloud-18.0.4.zip

Copy to /var/www/html/ deployed nextcloud.

# cp -R nextcloud/ /var/www/html/

Create datadirectory of "Nextcloud".

# mkdir /var/www/html/nextcloud/data

Change the owner information so that you can read and write in the entire Nextcloud directory.

# chown -R apache:apache /var/www/html/nextcloud
# chown -R apache:apache /mnt/nextcloud/data

(/etc/nginx/conf.d/default.conf)

location = /.well-known/carddav {
    return 301 $scheme://$host:$server_port/nextcloud/remote.php/dav;
}

location = /.well-known/caldav {
    return 301 $scheme://$host:$server_port/nextcloud/remote.php/dav;
}

location /.well-known/acme-challenge {

}

Start httpd service

# systemctl enable httpd
# systemctl start httpd

3-7.Setup of Nextcloud

Access to "(server ip address)/nextcloud" of Nextcloud.

image-01

4.Trouble management

参考資料

  1. https://docs.nextcloud.com/server/17/admin_manual/installation/source_installation.html#example-installation-on-centos-7-server
  2. https://nextcloud.com/changelog/#latest17
  3. https://computingforgeeks.com/install-nextcloud-on-centos-with-php-apache-mariadb/
  4. https://secure.nanako-net.info/redmine/projects/know-how/wiki/Nextcloud12
  5. https://qiita.com/S_Katz/items/9402ae8e104b8ac5702b
  6. https://help.nextcloud.com/t/nginx-reverse-proxy-what-to-write-in-nextclouds-config-php/9149/13
  7. https://www.marksei.com/how-to-install-nextcloud-17-server-on-centos-7/
  8. https://www.gwtcenter.com/owncloud-installation
  9. https://saka24.blue/index.php/2017/10/12/nextcloud_install/
  10. https://doc.owncloud.org/server/8.1/admin_manual/configuration_server/config_sample_php_parameters.html

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