How To Install & Configure JupyterLab Environment On Rocky Linux 9

 JupyterLab is a next-generation web-based development environment for Project Jupyter. Project Jupyter was developed with the goal to develop open-source, open standards, and services for interactive computing across multiple programming languages. JupyterLab offers a flexible interface that allows developers to work with documents and activities such as Jupyter notebooks, text editors, terminals, and custom components in a flexible, integrated, and extensible manner. JupyterLab is the next generation of Jupyter Notebook and is supposed to eventually replace it. It supports over 40 programming languages, including R, Python, Scala, and Julia.
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Server - Os:  Oracle Linux Server 9   64Bit      | IP -192.168.1.50        |Hostname - server.testbox.com
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cat /etc/system-release ; dnf groupinstall "Development Tools" -y
dnf install wget curl nano unzip yum-utils -y
firewall-cmd --add-service=http --permanent ; firewall-cmd --add-service=https --permanent ; firewall-cmd --reload

nano /etc/yum.repos.d/nginx.repo
[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true

[nginx-mainline]
name=nginx mainline repo
baseurl=http://nginx.org/packages/mainline/centos/$releasever/$basearch/
gpgcheck=1
enabled=0
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true

dnf install nginx -y
systemctl enable nginx --now ; systemctl status nginx

python -V
dnf install python3-pip -y
mkdir jupyterlab ; cd ~/jupyterlab
python3 -m venv --system-site-packages jupyterlab_env
source jupyterlab_env/bin/activate
pip install --upgrade pip
pip install jupyterlab

python3 -c "from jupyter_server.auth import passwd; print(passwd('YOUR_PASSWORD'))"
jupyter lab --generate-config
nano ~/.jupyter/jupyter_lab_config.py
c.ServerApp.allow_remote_access = True
c.ServerApp.password = 'YOUR_PASSWORD'
=8$jAJtckno+4fUhJ7nXWbR+w$kaMe/LaitfDs7vRKLEVRrb08WNiMZEAhXHGjfIbgtkU

firewall-cmd --add-port=8888/tcp --permanent ; firewall-cmd --reload
jupyter lab --ip 0.0.0.0 --allow-root
http://127.0.0.1:8888/
deactivate
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How To Install and Secure MongoDB on Oracle Linux Server 9

 MongoDB is an object-oriented, schema-less, NoSQL database server used in developing modern dynamic apps.
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Server - Os:  Oracle Linux Server 9.0   64Bit      | IP -192.168.1.50        |Hostname - server.testbox.com
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cat /etc/system-release ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y

nano /etc/yum.repos.d/mongodb-org-4.4.repo     [ Latest Repo - https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-red-hat/ ]
[mongodb-org-6.0]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/6.0/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-6.0.asc

dnf install mongodb-org -y
systemctl start mongod ; systemctl enable mongod ; mongod --version

Configure MongoDB -
nano /etc/mongod.conf
security:
 authorization: enabled
systemctl restart mongod

Create an Admin User for MongoDB -
mongosh    Or mongosh "mongodb://localhost:27017"
use admin

db.createUser(
{
user: "mongoadmin",
pwd: passwordPrompt(),
roles: [ { role: "userAdminAnyDatabase", db: "admin" }, "readWriteAnyDatabase" ]
}
)

exit
systemctl restart mongod
mongosh --port 27017 --authenticationDatabase "admin" -u "mongoadmin" -p



Create a Database in MongoDB- --
use wpdb
db.person.insertOne(
  { "Anant" : "31",
   "Test" : "8",
   "Test Two" : "18"
  }
)
db
show collections
db.person.find()
use admin
db.getUsers()
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rm -rf mongod.lock rm -rf /tmp/mongodb-27017.sock

How To Install InfluxDB and Telegraf on Oracle Linux Server 9

 InfluxDB is an open-source time series database (TSDB) developed by the company InfluxData.
Telegraf is a server-based agent for collecting and sending all metrics and events from databases, systems, and IoT sensors.
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Server - Os:  Oracle Linux Server 9.0   64Bit      | IP -192.168.1.50        |Hostname - server.testbox.com
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cat /etc/system-release ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y

cat <<EOF | sudo tee /etc/yum.repos.d/influxdb.repo
[influxdb]
name = influxdb Repository - RHEL \$releasever
baseurl = https://repos.influxdata.com/rhel/\$releasever/\$basearch/stable
enabled = 1
gpgcheck = 1
gpgkey = https://repos.influxdata.com/influxdb.key
EOF

sudo dnf install influxdb2
sudo systemctl start influxdb ; sudo systemctl enable influxdb ; sudo systemctl status influxdb
sudo firewall-cmd --add-port=8086/tcp --permanent ; sudo firewall-cmd --reload ; sudo firewall-cmd --list-ports
sudo dnf install influxdb2-cli -y
which influx ; influx version

sudo influx completion bash > /etc/bash_completion.d/influx.sh
sudo chmod +x /etc/bash_completion.d/influx.sh
sudo influx TAB
sudo influx setup
sudo influx user list
sudo influx auth list

export INFLUX_TOKEN=OK15O5laLtEr88RFtLE9xtVAN7cNCieQFT_YJ2FYEC5T-fYcZkGyp1A7e_vjhIXUKZDBktaPdH0GUmlVQDzsDQ==
sudo influx v1 shell $INFLUX_TOKEN
show DATABASES
http://192.168.5.100:8086)
alice
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HAProxy: Configure HTTP Load Balancing Server in Rocky Linux 8.5

 in This Tutorial you will Learn " HAProxy: Configure HTTP Load Balancing Server in Rocky Linux 8.5"

HAProxy is a free and open source software that provides a high availability load balancer and proxy server for TCP and HTTP-based applications that spreads requests across multiple servers. It is written in C and has a reputation for being fast and efficient.
-----------+---------------------------+--------------------------+-------------
           |                           |                          |
           |192.168.1.20                    |192.168.1.80                 |192.168.1.70
+----------+-----------+   +-----------+----------+   +-----------+----------+
|   [ www.primaryhost.com ]  |     | [ www.tertiary.com ] |   | [ www.example.com ] |
|        HAProxy       |                           Web Server#1    |         Web Server#2    |
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Server - Os:  Rocky Linux 8.5  64Bit      |    IP -192.168.1.20        |     Hostname - www.primaryhost.com
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cat /etc/system-release ; sestatus ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y
dnf -y install haproxy
gedit /etc/haproxy/haproxy.cfg &>/dev/null
frontend http-in
    # listen 80 port
    bind *:80
    # set default backend
    default_backend    backend_servers
    # send X-Forwarded-For header
    option             forwardfor

backend backend_servers
    # balance with roundrobin
    balance            roundrobin
    # define backend servers
    server             node01 192.168.1.80:80 check
    server             node02 192.168.1.70:80 check
systemctl enable --now haproxy ; systemctl daemon-reload ; systemctl restart haproxy
systemctl status firewalld
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Backends Web server 1-
cat /etc/system-release ; sestatus ; hostname ; hostname -I
dnf install httpd -y
gedit /etc/httpd/conf/httpd.conf &>/dev/null
LogFormat "\"%{X-Forwarded-For}i\" %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
systemctl restart httpd
echo "<h1>This is a Test Page www.tertiary.com</h1>" > /var/www/html/index.html
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Backends Web server 2-
cat /etc/system-release ; sestatus ; hostname ; hostname -I
yum install httpd -y
gedit /etc/httpd/conf/httpd.conf &>/dev/null
LogFormat "\"%{X-Forwarded-For}i\" %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
systemctl restart httpd
echo "<h1>This is a Test Page www.example.com</h1>" > /var/www/html/index.html
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How To Enable HAProxy Stats On Rocky Linux 8.5

 in This Tutorial you will Learn "How To Enable HAProxy Stats On Rocky Linux 8.5"

HAProxy Stats is a useful application that provides useful information about total connection, data transfer, server state and more.

HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
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Server - Os:  Rocky Linux 8.5  64Bit      |    IP -192.168.1.20        |     Hostname - www.primaryhost.com
_________________________________________________________________________________________
cat /etc/system-release ; sestatus ; dnf groupinstall "Development Tools" -y
dnf -y install haproxy
gedit /etc/haproxy/haproxy.cfg &>/dev/null
frontend http-in
    # listen 80 port
    bind *:80
    # set default backend
    default_backend    backend_servers
    # send X-Forwarded-For header
    option             forwardfor

backend backend_servers
    # balance with roundrobin
    balance            roundrobin
    # define backend servers
    server             node01 192.168.1.80:80 check
    server             node02 192.168.1.70:80 check
    # enable statistics reports
    stats enable
    # auth info for statistics site
    stats auth admin:adminpassword
    # hide version of HAProxy
    stats hide-version
    # display HAProxy hostname
    stats show-node
    # refresh time
    stats refresh 60s
    # statistics reports URI
    stats uri /haproxy?stats
systemctl enable --now haproxy ; systemctl daemon-reload ; systemctl restart haproxy
http://127.0.0.1/haproxy?stats
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How To Install Craft CMS on Rocky Linux 8

 in This Tutorial you will Learn " How To Install Craft CMS on Rocky Linux 8"
Craft CMS is an open source CMS written in PHP. Craft CMS source code is hosted on GitHub.
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Server - Os:  Rocky Linux 8.5  64Bit      |    IP -192.168.1.20        |     Hostname - www.primaryhost.com
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cat /etc/system-release ; sestatus ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y
dnf install nginx mariadb-server php php-cli php-fpm php-common php-curl php-gd php-json php-mbstring php-mysqli php-pgsql php-zip php-intl php-xml php-pdo -y

nano /etc/php.ini
memory_limit = 256M

nano /etc/php-fpm.d/www.conf
user = nginx
group = nginx
systemctl start nginx mariadb php-fpm ; systemctl enable nginx mariadb php-fpm

mysql
create database craftdb;
grant all on craftdb.* to craftuser@localhost identified by 'securepassword';
flush privileges;
quit;

mysql_secure_installation

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"

HASH="$(wget -q -O - https://composer.github.io/installer.sig)"
php -r "if (hash_file('SHA384', 'composer-setup.php') === '$HASH') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"

php composer-setup.php --install-dir=/usr/local/bin --filename=composer

cd /var/www/html/ ; composer create-project craftcms/craft craft
chown -R nginx:nginx /var/www/html/craft ; chown -R nginx:nginx /var/lib/php/session
nano /etc/nginx/conf.d/craft.conf
server {

  listen 80;
  server_name craft.example.com;
  root /var/www/html/craft/web;
  index index.php;


  location / {
    try_files $uri/index.html $uri $uri/ /index.php?$query_string;
  }

  location ~ [^/]\.php(/|$) {
    try_files $uri $uri/ /index.php?$query_string;
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    fastcgi_pass unix:/run/php-fpm/www.sock;
    fastcgi_index index.php;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_param HTTP_PROXY "";
  }

}
nano /etc/nginx/nginx.conf
server_names_hash_bucket_size 64;
systemctl restart nginx

echo "192.168.1.20 craft.example.com" >> /etc/hosts
firewall-cmd --permanent --add-service={http,https} ; firewall-cmd --reload  
craft.example.com
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How To Install Laravel PHP Framework on Rocky Linux 8

 in This Tutorial you will Learn " How To Install Laravel PHP Framework on Rocky Linux 8"

Laravel is an open-source PHP framework designed for web application development. It is built on various components of the Symfony framework and makes it easier to program PHP web applications. It provides a meaningful and creative syntax for simplifying common tasks such as authentication, routing, sessions, working with databases, and more. It makes development process simple for developers without compromising program capabilities.
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Server - Os:  Rocky Linux 8.5  64Bit      |    IP -192.168.1.20        |     Hostname - www.primaryhost.com
_________________________________________________________________________________________
cat /etc/system-release ; sestatus ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y
dnf install nginx mariadb-server php php-fpm php-common php-xml php-mbstring php-json php-zip php-mysqlnd curl unzip -y
systemctl start php-fpm nginx mariadb ; systemctl enable php-fpm nginx mariadb

nano /etc/php-fpm.d/www.conf
listen.owner = nginx
listen.group = nginx

nano /etc/php.ini
date.timezone = UTC
cgi.fix_pathinfo=1

systemctl restart php-fpm
curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer ; chmod +x /usr/local/bin/composer

cd /var/www/html/
composer create-project --prefer-dist laravel/laravel laravelsite
chown -R nginx:nginx /var/www/html/laravelsite/storage/
chown -R nginx:nginx /var/www/html/laravelsite/bootstrap/cache/
chmod -R 0777 /var/www/html/laravelsite/storage/
chmod -R 0775 /var/www/html/laravelsite/bootstrap/cache/

nano /etc/nginx/conf.d/laravel.conf
server {
       listen 80;
       server_name laravel.yourdomain.com;
       root        /var/www/html/laravelsite/public;
       index       index.php;
       charset utf-8;
       gzip on;
    gzip_types text/css application/javascript text/javascript application/x-javascript  image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon;
        location / {
        try_files $uri $uri/ /index.php?$query_string;
        }

        location ~ \.php {
                include fastcgi.conf;
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_pass unix:/run/php-fpm/www.sock;
        }
        location ~ /\.ht {
                deny all;
        }
}

systemctl restart php-fpm nginx ; systemctl status nginx
firewall-cmd --zone=public --permanent --add-service=http
firewall-cmd --zone=public --permanent --add-service=https
firewall-cmd --reload
nano /etc/hosts
192.168.1.20    laravel.yourdomain.com
laravel.yourdomain.com
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