test1

 

Objectives:

1. Use linux Command Line Interface (CLI) to setup applications

2. Learn how Operating System (OS) work with file system

3. Learn OS File file structure

Label:

$ : user environment of CLI

# : superuser environment of CLI

> : mysql environment of CLI

**: note that you must take an action

1. display OS info:

$ cat /etc/*rel*

-The most basic and common usage of the cat command is to read the contents of files.

-For example, the following command will display the contents of the /etc/*rel* file on the terminal:

2. be root:

$ sudo su -

-The sudo command lets us use our account and password to execute system commands with root privileges, whereas the su command allows us to switch to a different user and execute one or more commands in the shell without logging out from our current session.

3. Insert ubuntu password

-su prompts the user for the password of the target user account, while sudo prompts the user for their own password. su gives the user full access to the privileges of the target user account, while sudo only grants temporary privileges for a specific command.

4. check update:

# apt update

• -The sudo apt-get update command is used to download package information from all configured sources.
• -The sources often defined in the /etc/apt/sources. ...
• -So when run update command, it downloads the package information from the Internet.

5. install apache web server:

# apt install apache2 net-tools -y

-This how-to will help you with your install and configuration of Apache on your Ubuntu 22.04 server. 

6. Change directory

# cd /etc/apache2/sites-available/

-sites-available/directory contains virtual host file configurations. Configurations within this folder will establish which content gets served for which requests. This is enabled through linking to the sites-enabled directory, which stores activated virtual host configuration files. When Apache starts or reloads, it reads the configuration files and links from within the sites-enabled directory as it compiles a full configuration.

7. copy file:

# cp 000-default.conf (name).conf

-Virtual host files are the files that specify the actual configuration of our virtual hosts and dictate how the Apache web server will respond to various domain requests.

-Apache comes with a default virtual host file called 000-default.conf that we can use as a jumping off point. We are going to copy it over to create a virtual host file for each of our domains.

8. modify file:

# nano (name).conf

-Nano is an easy to use command line text editor for Unix and Linux operating systems. It includes all the basic functionality you’d expect from a regular text editor, like syntax highlighting, multiple buffers, search and replace with regular expression support, spellchecking, UTF-8 encoding, and more.

- In this case nano is used to modified the file.

 9. change directory:

# cd /var/www/html/

-/var/www/html is created when you install Apache HTTP server.

10. list file and directory:

# ls

-The ls command is used to list files. "ls" on its own lists all files in the current directory except for hidden files.

11. create directory:

# mkdir (name).com

-The command mkdir stands for “make directory”. It creates each directory specifed on the command line in the order given. It reports an error if DIRECTORY already exists, unless the -p option is given.

12. enter the directory:

# cd (name).com/

-The cd command, also known as chdir (change directory), is a command-line shell command used to change the current working directory in various operating systems.

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Test

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