install-nextcloud/install-nextcloud.sh

################################################
# Carsten Rieger IT-Services
# https://www.c-rieger.de
# https://github.com/riegercloud
# INSTALL-NEXTCLOUD.SH
# Version 4.1 AMD64
# changes to the /etc/nginx/nginx.conf+ssl.conf
# August, 23rd, 2018
################################################
# Ubuntu 18.04 LTS AMD64 - Nextcloud 13 
# ready for Nextcloud 14 already!
################################################
#!/bin/bash
###global function to update and cleanup the environment
function update_and_clean() {
apt update
apt upgrade -y
apt autoclean -y
apt autoremove -y
}
###global function to restart all cloud services
function restart_all_services() {
/usr/sbin/service nginx restart
/usr/sbin/service mysql restart
/usr/sbin/service redis-server restart
/usr/sbin/service php7.2-fpm restart
}
###global function to scan Nextcloud data and generate an overview for fail2ban & ufw
function nextcloud_scan_data() {
sudo -u www-data php /var/www/nextcloud/occ files:scan --all
sudo -u www-data php /var/www/nextcloud/occ files:scan-app-data
fail2ban-client status nextcloud
ufw status verbose
}
###global function to show information regarding the upcoming MariaDB dialogue
function mariadbinfo() {
clear
echo ""
echo "*********************************************************"
echo "You will be asked to set the MariaDB root password twice."
echo ""
echo "Please just confirm the dialogue (ENTER)."
echo "You will be asked again to set the root pwd"
echo "while harden your MariaDB Server!"
echo "*********************************************************"
echo ""
echo "Press ENTER to install MariaDB"
read
clear
}
### START ###
cd /usr/local/src
update_and_clean
###prepare the server environment
apt install software-properties-common zip unzip screen curl git wget ffmpeg libfile-fcntllock-perl -y
apt remove nginx nginx-common nginx-full -y --allow-change-held-packages
###add the neccessary sources
if [ ! -f /etc/apt/sources.list.d/nginx.list ]; then
cat <<EOF > /etc/apt/sources.list.d/nginx.list
deb http://nginx.org/packages/mainline/ubuntu/ bionic nginx
deb-src http://nginx.org/packages/mainline/ubuntu/ bionic nginx
EOF
fi
if [ ! -f /usr/local/src/nginx_signing.key ]; then
wget http://nginx.org/keys/nginx_signing.key && apt-key add nginx_signing.key
fi
update_and_clean
###instal NGINX
apt install nginx -y
###enable NGINX autostart
systemctl enable nginx.service
### prepare the NGINX
mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.bak && touch /etc/nginx/nginx.conf
cat <<EOF >/etc/nginx/nginx.conf
user www-data;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
multi_accept on;
use epoll;
}
http {
server_names_hash_bucket_size 64;
upstream php-handler {
server unix:/run/php/php7.2-fpm.sock;
}
include /etc/nginx/mime.types;
#include /etc/nginx/proxy.conf;
#include /etc/nginx/ssl.conf;
#include /etc/nginx/header.conf;
#include /etc/nginx/optimization.conf;
default_type application/octet-stream;
log_format main '\$remote_addr - \$remote_user [\$time_local] "\$request" \$status \$body_bytes_sent "\$http_referer" "\$http_user_agent" "\$http_x_forwarded_for" "\$host" sn="\$server_name" rt=\$request_time ua="\$upstream_addr" us="\$upstream_status" ut="\$upstream_response_time" ul="\$upstream_response_length" cs=\$upstream_cache_status' ;
access_log /var/log/nginx/access.log main;
sendfile on;
send_timeout 3600;
tcp_nopush on;
tcp_nodelay on;
open_file_cache max=500 inactive=10m;
open_file_cache_errors on;
keepalive_timeout 65;
reset_timedout_connection on;
server_tokens off;
resolver 208.67.222.222 valid=30s;
resolver_timeout 5s;
include /etc/nginx/conf.d/*.conf;
}
EOF
###restart NGINX
service nginx restart
###create folders
mkdir -p /var/nc_data /var/www/letsencrypt /usr/local/tmp/cache /usr/local/tmp/sessions /usr/local/tmp/apc /upload_tmp
###apply permissions
chown -R www-data:www-data /upload_tmp /var/nc_data /var/www
chown -R www-data:root /usr/local/tmp/sessions /usr/local/tmp/cache /usr/local/tmp/apc
### prepare the environment for PHP
if [ ! -f /etc/apt/sources.list.d/php.list ]; then
cat <<EOF > /etc/apt/sources.list.d/php.list
deb http://de.archive.ubuntu.com/ubuntu bionic main universe
EOF
apt update
fi
apt install language-pack-en-base -y
sudo LC_ALL=en_US.UTF-8 add-apt-repository ppa:ondrej/php -y
update_and_clean
###install PHP
apt install php7.2-fpm php7.2-gd php7.2-mysql php7.2-curl php7.2-xml php7.2-zip php7.2-intl php7.2-mbstring php7.2-json php7.2-bz2 php7.2-ldap php-apcu imagemagick php-imagick -y
###adjust PHP
cp /etc/php/7.2/fpm/pool.d/www.conf /etc/php/7.2/fpm/pool.d/www.conf.bak
cp /etc/php/7.2/cli/php.ini /etc/php/7.2/cli/php.ini.bak
cp /etc/php/7.2/fpm/php.ini /etc/php/7.2/fpm/php.ini.bak
cp /etc/php/7.2/fpm/php-fpm.conf /etc/php/7.2/fpm/php-fpm.conf.bak
sed -i "s/;env\[HOSTNAME\] = /env[HOSTNAME] = /" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/;env\[TMP\] = /env[TMP] = /" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/;env\[TMPDIR\] = /env[TMPDIR] = /" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/;env\[TEMP\] = /env[TEMP] = /" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/;env\[PATH\] = /env[PATH] = /" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/pm.max_children = .*/pm.max_children = 240/" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/pm.start_servers = .*/pm.start_servers = 20/" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/pm.min_spare_servers = .*/pm.min_spare_servers = 10/" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/pm.max_spare_servers = .*/pm.max_spare_servers = 20/" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/;pm.max_requests = 500/pm.max_requests = 500/" /etc/php/7.2/fpm/pool.d/www.conf
sed -i "s/output_buffering =.*/output_buffering = 'Off'/" /etc/php/7.2/cli/php.ini
sed -i "s/max_execution_time =.*/max_execution_time = 1800/" /etc/php/7.2/cli/php.ini
sed -i "s/max_input_time =.*/max_input_time = 3600/" /etc/php/7.2/cli/php.ini
sed -i "s/post_max_size =.*/post_max_size = 10240M/" /etc/php/7.2/cli/php.ini
sed -i "s/;upload_tmp_dir =.*/upload_tmp_dir = \/upload_tmp/" /etc/php/7.2/cli/php.ini
sed -i "s/upload_max_filesize =.*/upload_max_filesize = 10240M/" /etc/php/7.2/cli/php.ini
sed -i "s/max_file_uploads =.*/max_file_uploads = 100/" /etc/php/7.2/cli/php.ini
sed -i "s/;date.timezone.*/date.timezone = Europe\/\Berlin/" /etc/php/7.2/cli/php.ini
sed -i "s/;session.cookie_secure.*/session.cookie_secure = True/" /etc/php/7.2/cli/php.ini
sed -i "s/;session.save_path =.*/session.save_path = \"N;700;\/usr\/local\/tmp\/sessions\"/" /etc/php/7.2/cli/php.ini
sed -i '$aapc.enable_cli = 1' /etc/php/7.2/cli/php.ini
sed -i "s/memory_limit = 128M/memory_limit = 512M/" /etc/php/7.2/fpm/php.ini
sed -i "s/output_buffering =.*/output_buffering = 'Off'/" /etc/php/7.2/fpm/php.ini
sed -i "s/max_execution_time =.*/max_execution_time = 1800/" /etc/php/7.2/fpm/php.ini
sed -i "s/max_input_time =.*/max_input_time = 3600/" /etc/php/7.2/fpm/php.ini
sed -i "s/post_max_size =.*/post_max_size = 10240M/" /etc/php/7.2/fpm/php.ini
sed -i "s/;upload_tmp_dir =.*/upload_tmp_dir = \/upload_tmp/" /etc/php/7.2/fpm/php.ini
sed -i "s/upload_max_filesize =.*/upload_max_filesize = 10240M/" /etc/php/7.2/fpm/php.ini
sed -i "s/max_file_uploads =.*/max_file_uploads = 100/" /etc/php/7.2/fpm/php.ini
sed -i "s/;date.timezone.*/date.timezone = Europe\/\Berlin/" /etc/php/7.2/fpm/php.ini
sed -i "s/;session.cookie_secure.*/session.cookie_secure = True/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.enable=.*/opcache.enable=1/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.enable_cli=.*/opcache.enable_cli=1/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.memory_consumption=.*/opcache.memory_consumption=128/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.interned_strings_buffer=.*/opcache.interned_strings_buffer=8/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.max_accelerated_files=.*/opcache.max_accelerated_files=10000/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.revalidate_freq=.*/opcache.revalidate_freq=1/" /etc/php/7.2/fpm/php.ini
sed -i "s/;opcache.save_comments=.*/opcache.save_comments=1/" /etc/php/7.2/fpm/php.ini
sed -i "s/;session.save_path =.*/session.save_path = \"N;700;\/usr\/local\/tmp\/sessions\"/" /etc/php/7.2/fpm/php.ini
sed -i "s/;emergency_restart_threshold =.*/emergency_restart_threshold = 10/" /etc/php/7.2/fpm/php-fpm.conf
sed -i "s/;emergency_restart_interval =.*/emergency_restart_interval = 1m/" /etc/php/7.2/fpm/php-fpm.conf
sed -i "s/;process_control_timeout =.*/process_control_timeout = 10s/" /etc/php/7.2/fpm/php-fpm.conf
sed -i '$aapc.enabled=1' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.file_update_protection=2' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.optimization=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.shm_size=256M' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.include_once_override=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.shm_segments=1' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.ttl=7200' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.user_ttl=7200' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.gc_ttl=3600' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.num_files_hint=1024' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.enable_cli=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.max_file_size=5M' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.cache_by_default=1' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.use_request_time=1' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.slam_defense=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.mmap_file_mask=/usr/local/tmp/apc.XXXXXX' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.stat_ctime=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.canonicalize=1' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.write_lock=1' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.report_autofilter=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.rfc1867=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.rfc1867_prefix =upload_' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.rfc1867_name=APC_UPLOAD_PROGRESS' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.rfc1867_freq=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.rfc1867_ttl=3600' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.lazy_classes=0' /etc/php/7.2/fpm/php.ini
sed -i '$aapc.lazy_functions=0' /etc/php/7.2/fpm/php.ini
sed -i "s/09,39.*/# &/" /etc/cron.d/php
(crontab -l ; echo "09,39 * * * * /usr/lib/php/sessionclean 2>&1") | crontab -u root -
sed -i '$atmpfs /tmp tmpfs defaults,noatime,nosuid,nodev,noexec,mode=1777 0 0' /etc/fstab
sed -i '$atmpfs /var/tmp tmpfs defaults,noatime,nosuid,nodev,noexec,mode=1777 0 0' /etc/fstab
sed -i '$atmpfs /usr/local/tmp/apc tmpfs defaults,uid=33,size=300M,noatime,nosuid,nodev,noexec,mode=1777 0 0' /etc/fstab
sed -i '$atmpfs /usr/local/tmp/cache tmpfs defaults,uid=33,size=300M,noatime,nosuid,nodev,noexec,mode=1777 0 0' /etc/fstab
sed -i '$atmpfs /usr/local/tmp/sessions tmpfs defaults,uid=33,size=300M,noatime,nosuid,nodev,noexec,mode=1777 0 0' /etc/fstab
###make use of RAMDISK
mount -a
###restart PHP and NGINX
service php7.2-fpm restart
service nginx restart
###install MariaDB
apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8
if [ ! -f /etc/apt/sources.list.d/mariadb.list ]; then
cat <<EOF > /etc/apt/sources.list.d/mariadb.list
deb [arch=amd64] http://ftp.hosteurope.de/mirror/mariadb.org/repo/10.3/ubuntu bionic main
deb-src http://ftp.hosteurope.de/mirror/mariadb.org/repo/10.3/ubuntu bionic main
EOF
fi
mariadbinfo
apt update && apt install mariadb-server -y
/usr/sbin/service mysql stop
###configure MariaDB
mv /etc/mysql/my.cnf /etc/mysql/my.cnf.bak
cat <<EOF >/etc/mysql/my.cnf
[client]
port = 3306
socket = /var/run/mysqld/mysqld.sock
default-character-set = utf8mb4

[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0

[mysqld]
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /tmp
lc_messages_dir = /usr/share/mysql
lc_messages = en_US
skip-external-locking
skip-name-resolve
bind-address = 127.0.0.1
max_connections = 200
connect_timeout = 5
wait_timeout = 600
max_allowed_packet = 16M
thread_cache_size = 128
sort_buffer_size = 4M
bulk_insert_buffer_size = 16M
tmp_table_size = 64M
max_heap_table_size = 64M
myisam_recover_options = BACKUP
key_buffer_size = 128M
#open-files-limit = 2000
table_open_cache = 400
myisam_sort_buffer_size = 512M
concurrent_insert = 2
read_buffer_size = 2M
read_rnd_buffer_size = 1M
query_cache_limit = 2M
query_cache_size = 64M
query_cache_type = 1
query_cache_min_res_unit = 2k
log_warnings = 2
slow_query_log_file = /var/log/mysql/mariadb-slow.log
long_query_time = 1
log_slow_verbosity = query_plan
slow-query-log = 1
slow-query-log-file = /var/log/mysql/slow.log
log_bin = /var/log/mysql/mariadb-bin
log_bin_index = /var/log/mysql/mariadb-bin.index
expire_logs_days = 10
max_binlog_size = 100M
default_storage_engine = InnoDB
innodb_buffer_pool_size = 256M
innodb_buffer_pool_instances = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 32M
innodb_max_dirty_pages_pct = 90
innodb_file_per_table = 1
innodb_open_files = 400
innodb_io_capacity = 400
innodb_flush_method = O_DIRECT
character-set-server = utf8mb4
collation-server = utf8mb4_general_ci
transaction_isolation = READ-COMMITTED
binlog_format = ROW

[mysqldump]
quick
quote-names
max_allowed_packet = 16M

[mysql]
#no-auto-rehash    # faster start of mysql but no tab completion

[isamchk]
key_buffer = 16M

!include /etc/mysql/mariadb.cnf
!includedir /etc/mysql/conf.d/
EOF
/usr/sbin/service mysql restart
clear
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo "The Nextcloud-DB username and password - Attention: password is case-sensitive:"
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo ""
read -p "Nextcloud DB-Username: " NEXTCLOUDDBUSER
echo ""
echo "Your Nextcloud-DB user: "$NEXTCLOUDDBUSER
echo ""
read -p "Nextcloud DB-Password: " NEXTCLOUDDBPASSWORD
echo ""
echo "Your Nextcloud-DB password: "$NEXTCLOUDDBPASSWORD
echo ""
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo ""
###restart MariaDB server andconnect to MariaDB
service mysql restart && mysql -uroot <<EOF
###create Nextclouds DB and User
CREATE DATABASE nextcloud CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
CREATE USER $NEXTCLOUDDBUSER@localhost identified by '$NEXTCLOUDDBPASSWORD';
GRANT ALL PRIVILEGES on nextcloud.* to $NEXTCLOUDDBUSER@localhost;
FLUSH privileges;
EOF
###harden your MariDB server
mysql_secure_installation
update_and_clean
###install Redis-Server
apt install redis-server php-redis -y
cp /etc/redis/redis.conf /etc/redis/redis.conf.bak
sed -i "s/port 6379/port 0/" /etc/redis/redis.conf
sed -i s/\#\ unixsocket/\unixsocket/g /etc/redis/redis.conf
sed -i "s/unixsocketperm 700/unixsocketperm 770/" /etc/redis/redis.conf
sed -i "s/# maxclients 10000/maxclients 512/" /etc/redis/redis.conf
usermod -a -G redis www-data
cp /etc/sysctl.conf /etc/sysctl.conf.bak && sed -i '$avm.overcommit_memory = 1' /etc/sysctl.conf
#cp /etc/rc.local /etc/rc.local.bak && sed -i '$i \sysctl -w net.core.somaxconn=65535' /etc/rc.local
###install self signed certificates
apt install ssl-cert -y
###prepare NGINX for Nextcloud and SSL
mv /etc/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf.bak
touch /etc/nginx/conf.d/default.conf
cat <<EOF >/etc/nginx/conf.d/nextcloud.conf
server {
server_name YOUR.DEDYN.IO;
listen 80 default_server;
location ^~ /.well-known/acme-challenge {
proxy_pass http://127.0.0.1:81;
proxy_set_header Host \$host;
}
location / {
return 301 https://\$host\$request_uri;
}
}
server {
server_name YOUR.DEDYN.IO;
listen 443 ssl http2 default_server;
root /var/www/nextcloud/;
access_log /var/log/nginx/nextcloud.access.log main;
error_log /var/log/nginx/nextcloud.error.log warn;
location = /robots.txt {
allow all;
log_not_found off;
access_log off;
}
location = /.well-known/carddav {
return 301 \$scheme://\$host/remote.php/dav;
}
location = /.well-known/caldav {
return 301 \$scheme://\$host/remote.php/dav;
}
client_max_body_size 10240M;
location / {
rewrite ^ /index.php\$uri;
}
location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)/ {
deny all;
}
location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) {
deny all;
}
location ~ \.(?:flv|mp4|mov|m4a)\$ {
mp4;
mp4_buffer_size 100m;
mp4_max_buffer_size 1024m;
fastcgi_split_path_info ^(.+\.php)(/.*)\$;
include fastcgi_params;
include php_optimization.conf;
fastcgi_pass php-handler;
fastcgi_param HTTPS on;
}
location ~ ^/(?:index|remote|public|cron|core/ajax/update|status|ocs/v[12]|updater/.+|ocs-provider/.+)\.php(?:\$|/) {
fastcgi_split_path_info ^(.+\.php)(/.*)\$;
include fastcgi_params;
include php_optimization.conf;
fastcgi_pass php-handler;
fastcgi_param HTTPS on;
}
location ~ ^/(?:updater|ocs-provider)(?:\$|/) {
try_files \$uri/ =404;
index index.php;
}
location ~ \.(?:css|js|woff|svg|gif|png|html|ttf|ico|jpg|jpeg)\$ {
try_files \$uri /index.php\$uri\$is_args\$args;
access_log off;
expires 360d;
}
}
EOF
touch /etc/nginx/conf.d/letsencrypt.conf
cat <<EOF >/etc/nginx/conf.d/letsencrypt.conf
server {
server_name 127.0.0.1;
listen 127.0.0.1:81 default_server;
charset utf-8;
access_log /var/log/nginx/le.access.log main;
error_log /var/log/nginx/le.error.log warn;
location ^~ /.well-known/acme-challenge {
default_type text/plain;
root /var/www/letsencrypt;
}
}
EOF
touch /etc/nginx/ssl.conf
cat <<EOF >/etc/nginx/ssl.conf
ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
ssl_trusted_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
#ssl_certificate /etc/letsencrypt/live/YOUR.DEDYN.IO/fullchain.pem;
#ssl_certificate_key /etc/letsencrypt/live/YOUR.DEDYN.IO/privkey.pem;
#ssl_trusted_certificate /etc/letsencrypt/live/YOUR.DEDYN.IO/chain.pem;
#ssl_dhparam /etc/ssl/certs/dhparam.pem;
ssl_session_timeout 1d;
ssl_session_cache shared:SSL:50m;
ssl_session_tickets off;
ssl_protocols TLSv1.2;
ssl_ciphers 'ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384';
ssl_ecdh_curve secp521r1:secp384r1:prime256v1;
ssl_prefer_server_ciphers on;
#ssl_stapling on;
#ssl_stapling_verify on;
EOF
touch /etc/nginx/proxy.conf
cat <<EOF >/etc/nginx/proxy.conf
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-Host \$host;
proxy_set_header X-Forwarded-Protocol \$scheme;
proxy_set_header X-Forwarded-For \$remote_addr;
proxy_set_header X-Forwarded-Port \$server_port;
proxy_set_header X-Forwarded-Server \$host;
proxy_connect_timeout 3600;
proxy_send_timeout 3600;
proxy_read_timeout 3600;
proxy_redirect off;
EOF
touch /etc/nginx/header.conf
cat <<EOF >/etc/nginx/header.conf
add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;";
add_header X-Robots-Tag none;
add_header X-Download-Options noopen;
add_header X-Permitted-Cross-Domain-Policies none;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Referrer-Policy "no-referrer" always;
EOF
touch /etc/nginx/optimization.conf
cat <<EOF >/etc/nginx/optimization.conf
fastcgi_read_timeout 3600;
fastcgi_buffers 64 64K;
fastcgi_buffer_size 256k;
fastcgi_busy_buffers_size 3840K;
fastcgi_cache_key \$http_cookie$request_method$host$request_uri;
fastcgi_cache_use_stale error timeout invalid_header http_500;
fastcgi_ignore_headers Cache-Control Expires Set-Cookie;
gzip on;
gzip_vary on;
gzip_comp_level 4;
gzip_min_length 256;
gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
gzip_disable "MSIE [1-6]\.";
EOF
touch /etc/nginx/php_optimization.conf
cat <<EOF >/etc/nginx/php_optimization.conf
fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
fastcgi_param PATH_INFO \$fastcgi_path_info;
fastcgi_param modHeadersAvailable true;
fastcgi_param front_controller_active true;
fastcgi_intercept_errors on;
fastcgi_request_buffering off;
fastcgi_cache_valid 404 1m;
fastcgi_cache_valid any 1h;
fastcgi_cache_methods GET HEAD;
EOF
sed -i s/\#\include/\include/g /etc/nginx/nginx.conf
sed -i "s/server_name YOUR.DEDYN.IO;/server_name $(hostname);/" /etc/nginx/conf.d/nextcloud.conf
###create Nextclouds cronjob
(crontab -u www-data -l ; echo "*/15 * * * * php -f /var/www/nextcloud/cron.php > /dev/null 2>&1") | crontab -u www-data -
###restart NGINX
service nginx restart
###Download Nextclouds latest release and extract it
wget https://download.nextcloud.com/server/releases/latest.tar.bz2
tar -xjf latest.tar.bz2 -C /var/www
###apply permissions
chown -R www-data:www-data /var/www/
rm latest.tar.bz2
update_and_clean
restart_all_services
clear
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo "Nextcloud-Administrator and password - Attention: password is case-sensitive:"
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo ""
echo "Your Nextcloud-DB user: "$NEXTCLOUDDBUSER
echo ""
echo "Your Nextcloud-DB password: "$NEXTCLOUDDBPASSWORD
echo ""
read -p "Enter your Nextcloud Administrator: " NEXTCLOUDADMINUSER
echo "Your Nextcloud Administrator: "$NEXTCLOUDADMINUSER
echo ""
read -p "Enter your Nextcloud Administrator password: " NEXTCLOUDADMINUSERPASSWORD
echo "Your Nextcloud Administrator password: "$NEXTCLOUDADMINUSERPASSWORD
echo ""
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo ""
echo "Your NEXTCLOUD will now be installed silently - please be patient ..."
echo ""
sudo -u www-data php /var/www/nextcloud/occ maintenance:install --database "mysql" --database-name "nextcloud"  --database-user "$NEXTCLOUDDBUSER" --database-pass "$NEXTCLOUDDBPASSWORD" --admin-user "$NEXTCLOUDADMINUSER" --admin-pass "$NEXTCLOUDADMINUSERPASSWORD" --data-dir "/var/nc_data"
declare -l YOURSERVERNAME
###read and store the current hostname in lowercases
YOURSERVERNAME=$(hostname)
sudo -u www-data cp /var/www/nextcloud/config/config.php /var/www/nextcloud/config/config.php.bak
sudo -u www-data php /var/www/nextcloud/occ config:system:set trusted_domains 0 --value=$YOURSERVERNAME
sudo -u www-data sed -in 's/http:\/\/localhost/https:\/\/'$YOURSERVERNAME'/' /var/www/nextcloud/config/config.php
echo ""
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
###backup of the effected file .user.ini
cp /var/www/nextcloud/.user.ini /var/www/nextcloud/.user.ini.bak
###apply Nextcloud optimizations
sudo -u www-data sed -i "s/upload_max_filesize=.*/upload_max_filesize=10240M/" /var/www/nextcloud/.user.ini
sudo -u www-data sed -i "s/post_max_size=.*/post_max_size=10240M/" /var/www/nextcloud/.user.ini
sudo -u www-data sed -i "s/output_buffering=.*/output_buffering='Off'/" /var/www/nextcloud/.user.ini
sudo -u www-data php /var/www/nextcloud/occ background:cron
###apply optimizations to Nextclouds global config.php
sed -i '/);/d' /var/www/nextcloud/config/config.php
cat <<EOF >>/var/www/nextcloud/config/config.php
'activity_expire_days' => 14,
'auth.bruteforce.protection.enabled' => true,
'blacklisted_files' =>
array (
0 => '.htaccess',
1 => 'Thumbs.db',
2 => 'thumbs.db',
),
'cron_log' => true,
'enable_previews' => true,
'enabledPreviewProviders' =>
array (
0 => 'OC\\Preview\\PNG',
1 => 'OC\\Preview\\JPEG',
2 => 'OC\\Preview\\GIF',
3 => 'OC\\Preview\\BMP',
4 => 'OC\\Preview\\XBitmap',
5 => 'OC\\Preview\\Movie',
6 => 'OC\\Preview\\PDF',
7 => 'OC\\Preview\\MP3',
8 => 'OC\\Preview\\TXT',
9 => 'OC\\Preview\\MarkDown',
),
'filesystem_check_changes' => 0,
'filelocking.enabled' => 'true',
'htaccess.RewriteBase' => '/',
'integrity.check.disabled' => false,
'knowledgebaseenabled' => false,
'logtimezone' => 'Europe/Berlin',
'log_rotate_size' => 104857600,
'memcache.local' => '\\OC\\Memcache\\APCu',
'memcache.locking' => '\\OC\\Memcache\\Redis',
'preview_max_x' => 1024,
'preview_max_y' => 768,
'preview_max_scale_factor' => 1,
'redis' =>
array (
'host' => '/var/run/redis/redis-server.sock',
'port' => 0,
'timeout' => 0.0,
),
'quota_include_external_storage' => false,
'share_folder' => '/Shares',
'skeletondirectory' => '',
'trashbin_retention_obligation' => 'auto, 7',
);
EOF
###remove leading whitespaces
sed -i 's/^[ ]*//' /var/www/nextcloud/config/config.php
restart_all_services
update_and_clean
###installfail2ban
apt install fail2ban -y
###create a fail2ban Nextcloud filter
touch /etc/fail2ban/filter.d/nextcloud.conf
cat <<EOF >/etc/fail2ban/filter.d/nextcloud.conf
[Definition]
failregex=^{"reqId":".*","remoteAddr":".*","app":"core","message":"Login failed: '.*' \(Remote IP: '<HOST>'\)","level":2,"time":".*"}$
            ^{"reqId":".*","level":2,"time":".*","remoteAddr":".*","app":"core".*","message":"Login failed: '.*' \(Remote IP: '<HOST>'\)".*}$
            ^.*\"remoteAddr\":\"<HOST>\".*Trusted domain error.*\$
EOF
###create a fail2ban Nextcloud jail
touch /etc/fail2ban/jail.d/nextcloud.local
cat <<EOF >/etc/fail2ban/jail.d/nextcloud.local
[nextcloud]
backend = auto
enabled = true
port = 80,443
protocol = tcp
filter = nextcloud
maxretry = 3
bantime = 36000
findtime = 36000
logpath = /var/nc_data/nextcloud.log

[nginx-http-auth]
enabled = true

EOF
update_and_clean
###install ufw
apt install ufw -y
###open firewall ports 80+443 for http(s)
ufw allow 80/tcp
ufw allow 443/tcp
###open firewall port 22 for SSH
ufw allow 22/tcp
###enable UFW (autostart)
ufw logging medium && ufw default deny incoming && ufw enable
###restart fail2ban, ufw and redis-server services
/usr/sbin/service ufw restart
/usr/sbin/service fail2ban restart
/usr/sbin/service redis-server restart
sudo -u www-data php /var/www/nextcloud/occ app:disable survey_client
sudo -u www-data php /var/www/nextcloud/occ app:disable firstrunwizard
sudo -u www-data php /var/www/nextcloud/occ app:enable admin_audit
sudo -u www-data php /var/www/nextcloud/occ app:enable files_pdfviewer
###clean up redis-server
redis-cli -s /var/run/redis/redis-server.sock <<EOF
FLUSHALL
quit
EOF
nextcloud_scan_data
restart_all_services
clear
echo ""
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo ""
echo " Open your browser and call your Nextcloud at"
echo ""
echo " https://$YOURSERVERNAME"
echo ""
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
rm ~/.bash_history && history -c && history -w
exit 0