in This Tutorial you will Learn " How To Install and configure Squid proxy server On Rocky Linux 8.5"
Squid is a web proxy application with a variety of configurations and uses. Squid has a large number of access controls and supports different protocols, such as HTTP, HTTPS, FTP, and SSL.
Rocky Linux is an open-source enterprise operating system designed to be 100% bug-for-bug compatible with Red Hat Enterprise Linux®.
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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 squid
gedit /etc/squid/squid.conf &>/dev/null
acl my_localnet src 192.168.1.20/24 -line 29
http_access deny to_localhost - 46
#http_access allow localnet -55
http_access allow my_localnet # line 57 : add -57
request_header_access Referer deny all
request_header_access X-Forwarded-For deny all
request_header_access Via deny all
request_header_access Cache-Control deny all
forwarded_for off
systemctl enable --now squid ; systemctl start squid
firewall-cmd --add-service=squid ; firewall-cmd --runtime-to-permanent
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Proxy Client -
cat /etc/system-release ; hostname -I ; dnf groupinstall "Development Tools" -y
192.168.1.20 3128
curl -x http://192.168.1.20:3128 -I http://google.com
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QuickNotepadTutorial
Saturday, October 7, 2023
How To Install Squid To Configure Proxy Server On Rocky Linux 8.5
Friday, July 21, 2023
How To Install and Configure Apache Spark on Oracle Linux 9
in This Tutorial you will Learn " How To Install and Configure Apache Spark on Oracle Linux 9"
Apache Spark is a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters.
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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
sudo dnf update -y ; sudo yum install java-17-openjdk java-17-openjdk-devel -y
sudo dnf -y install wget curl -y
curl -L -b "oraclelicense=a" -O https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.rpm
sudo rpm -Uvh jdk-17_linux-x64_bin.rpm
java -version
sudo tee /etc/profile.d/java17.sh <<EOF
export JAVA_HOME=\$(dirname \$(dirname \$(readlink \$(readlink \$(which javac)))))
export PATH=\$PATH:\$JAVA_HOME/bin
export CLASSPATH=.:\$JAVA_HOME/jre/lib:\$JAVA_HOME/lib:\$JAVA_HOME/lib/tools.jar
EOF
source /etc/profile.d/java17.sh
echo $JAVA_HOME
echo $PATH
echo $CLASSPATH
curl -s https://api.github.com/repos/lampepfl/dotty/releases/latest| grep browser_download_url | egrep '.tar.gz' | cut -d '"' -f 4 | wget -i -
tar -xf scala3-*.tar.gz
mv scala3-*/ /usr/local/share/scala
sudo tee -a ~/.bashrc <<EOF
export SCALA_HOME=/usr/local/share/scala
export PATH=\$PATH:\$SCALA_HOME/bin
EOF
source ~/.bashrc
scala -version
cd ~/
Offcial web - https://spark.apache.org/downloads.html
curl -O https://dlcdn.apache.org/spark/spark-3.3.2/spark-3.3.2-bin-hadoop3.tgz
tar xvf spark-3.3.2-bin-hadoop3.tgz
mv spark-3.3.2-bin-hadoop3/ /usr/local/spark
sudo nano ~/.bashrc
#add this line
export PATH=$PATH:/usr/local/spark/bin
source ~/.bashrc
spark-shell
sc.version
spark.version
http://<server_ip_address>:4040
firewall-cmd --zone=public --add-port=4040/tcp --permanent ; firewall-cmd --reload
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Monday, May 15, 2023
How To Install and Configure Apache Solr on Oracle Linux 9
in This Tutorial you will Learn " How To Install and Configure Apache Solr on Oracle Linux 9"
Apache Solr is an open source search platform built upon a Java library called Lucene.
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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
sudo dnf update -y ; sudo dnf -y install curl wget
sudo dnf install lsof java-17-openjdk java-17-openjdk-devel -y
java -version
sudo alternatives --config java
java -version
sudo nano /etc/profile
export JAVA_HOME="/usr/lib/jvm/java-17-openjdk"
export PATH=$JAVA_HOME/bin:$PATH
source /etc/profile ; echo $JAVA_HOME
wget https://www.apache.org/dyn/closer.lua/solr/solr/9.2.0/solr-9.2.0.tgz?action=download -O solr-9.2.0.tgz
tar -zxvf solr-9.2.0.tgz
cd /root/solr-9.2.0/bin
sudo ./install_solr_service.sh ~/solr-9.2.0.tgz
sudo service solr start ; sudo service solr status
sudo firewall-cmd --permanent --add-port=8983/tcp ; sudo firewall-cmd --reload
localhost:8983
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Tuesday, April 11, 2023
Ruby Hello World Example- How To Write and Execute Ruby Program on Ubuntu 20.04
Ruby is an interpreted, high-level, general-purpose programming language which supports multiple programming paradigms.
apt update ; apt-get install ruby -y
whereis ruby
which ruby
nano helloworld.rb
#!/usr/bin/ruby
# Hello world ruby program
puts "Hello World!";
ruby helloworld.rb
( or )
chmod u+x helloworld.rb
./helloworld.rb
Executing Ruby one liner - ruby -e 'puts "Hello World!\n"'
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Tuesday, April 4, 2023
How To Install Flask with Gunicorn and Nginx on Oracle Linux 9
in This Tutorial you will Learn " How To Install Flask with Gunicorn and Nginx on Oracle Linux 9"
Flask is a web application framework written in Python.
Gunicorn is a WSGI server.
NGINX is open source software for web serving, reverse proxying, caching, load balancing, media streaming, and more.
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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
sudo dnf update ; sudo dnf install epel-release -y
sudo dnf install python3-pip python3-devel gcc -y
dnf install nginx -y
nginx -version
dnf install --assumeyes python3-pip
pip3 install virtualenv
sudo update-crypto-policies --set LEGACY
sudo reboot
sudo mkdir /sample_project && cd /sample_project
sudo chmod 777 /sample_project
virtualenv projectenv
source projectenv/bin/activate
pip3 install gunicorn flask
pip install --upgrade pip
nano /sample_project/helloworld.py
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return "<h1 style='color:red'>Hello, World!</h1>"
if __name__ == '__main__':
app.run(host='0.0.0.0')
sudo firewall-cmd --add-port=5000/tcp --permanent ; sudo firewall-cmd --reload
python helloworld.py
http://127.0.0.1:5000
nano /sample_project/wsgi.py
from helloworld import app
if __name__ == "__main__":
app.run()
firewall-cmd --add-port=8000/tcp --permanent ; firewall-cmd --reload
python helloworld.py
http://0.0.0.0:8000
deactivate
gunicorn --bind 0.0.0.0:8000 wsgi:app
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Tuesday, March 28, 2023
How to install KVM on Oracle Linux 9
in This Tutorial you will Learn " How to install KVM on Oracle Linux 9 "
Kernel-based Virtual Machine (KVM) is an open source virtualization technology built into Linux®. Specifically, KVM lets you turn Linux into a hypervisor that allows a host machine to run multiple, isolated virtual environments called guests or virtual machines (VMs).
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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
lscpu | grep Virtualization
sudo dnf update ; sudo dnf install qemu-kvm qemu-img libvirt virt-manager virt-install virt-viewer libvirt-client
sudo systemctl start libvirtd ; sudo systemctl enable libvirtd ; sudo systemctl status libvirtd
sudo virt-manager
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Thursday, March 23, 2023
How To Install Docker on Oracle Linux Server 9
Docker is a container engine that uses the Linux Kernel to create the containers on top of an operating system. Which is used to create, deploy and run the applications.
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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
sudo dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
sudo dnf update
sudo dnf install -y docker-ce docker-ce-cli containerd.io
docker --version
sudo systemctl enable docker ; sudo systemctl start docker ; sudo systemctl status docker
sudo usermod -aG docker yourname
id testbox
docker run hello-world
docker pull ubuntu
docker images
docker run -it ubuntu
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