Grooming Classroomnotes 11/Apr/2023

Apache Server

• This is a popular web server
• Open Source =>
  • Free/Community Editions
  • Enterprise Editions (Support)
• Web Server:
  • exposes http connectivity
  • returns web pages
• Web Page:
  • HTML Page
• Webservers generally understand http and respond with
  • html
  • json
  • other formats
• Webservers also support executing some languages
  • php
• Webservers can also forward the request to some other servers.
• Popular Webservers:
  • Apache
  • Nginx
  • IIS
• Lets create a linux VM
• To install apache

sudo apt update
sudo apt-cache search apache
sudo apt install apache2 -y

• Any application that runs in the background is called as daemon or service
• To control services linux has systemctl command
• To view the service status sudo systemctl status apache2.service
• To stop sudo systemctl stop <service-name>
• To start sudo systemctl start <service-name>
• To enable sudo systemctl enable <service-name>
• Lets add our page into apache server
  • folder for webpages /var/www/html/
  • Lets create info.html and add <h1>information found </h1>
• Exercise: Try doing the same in nginx server

Copying files between windows and linux

• Lets use sftp

Installing Softwares in Linux

• We have 3 ways
  • download the software and extract it on your own
  • using deb (sudo dpkg -i .deb) or rpm packages sudo rpm -iVh <name>.rpm)
  • using pacakge managers
    • debian/ubuntu => apt sudo apt install git
    • redhat => yum/dnf sudo yum install git
    • generic => snap sudo snap install git