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Install Amazon Web Service CLI on Linux Mint 20 - Step by Step Process ?

This article covers how to install the AWS CLI very conveniently on your Linux Mint 20 system and use it for managing the Amazon Web Services very efficiently.
The AWS or Amazon Web Service command line interface is a command line tool for manage our Amazon web services.
AWS CLI provides direct access to the Amazon Web Services public API.
As it is a command line tool, it can also be used to create scripts to automate your Amazon web services.

To the AWS CLI on Ubuntu With APT:
1. First we update the package listing cache with the following command in the terminal (Ctrl + Alt + T):

# sudo apt-get update

2. Now we are going to install the AWS CLI using the command:

# sudo apt-get install awscli

3. We will can check if AWS CLI is working correctly with the following command:

# aws --version


Install Jenkins on Ubuntu 20.04 - Step by Step Process ?

This article covers how you can install Jenkins on Ubuntu OS. For further information about Jenkins, visit its official documentation.

Jenkins is an open-source automation server that can be used to easily set up continuous integration and continuous delivery (CI/CD) pipelines.

Continuous integration (CI) is a DevOps practice in which team members regularly commit their code changes to the version control repository, after which automated builds and tests are run. 

Continuous delivery (CD) is a series of practices where code changes are automatically built, tested, and deployed to production.


To install Jenkins on Ubuntu 20.04 as a standalone service:

1. Run the following commands as root or user with sudo privileges or root to install OpenJDK 11:

$ sudo apt update
$ sudo apt install openjdk-11-jdk

2. Once the installation is complete, verify it by checking the Java version:

# java -version

3. Import the GPG keys of the Jenkins repository using the following wget command:

# wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add -

4. Next, add the Jenkins repository to the system with:

# sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'

5. Once the Jenkins repository is enabled, update the apt package list and install the latest version of Jenkins by typing:

# sudo apt update
# sudo apt install jenkins

6. Jenkins service will automatically start after the installation process is complete. You can verify it by printing the service status:

# systemctl status jenkins


Install Terraform on Ubuntu 18.04 / 20.04 LTS - Step by step process ?

This article covers how to install Terraform on Ubuntu. Terraform is an infrastructure automation tool which allows you to define and describe your infrastructure as code inside configuration files using a declarative language and to deploy and manage that infrastructure across a variety of public cloud providers like AWS, GCP, Azure, and so on.


To Install Terraform on Ubuntu:

1. First, create ~/bin directory:

$ mkdir ~/bin

2. Next, download the zip archive. Visit the Terraform download page for the latest version to download:

$ wget https://releases.hashicorp.com/terraform/0.12.24/terraform_0.12.24_linux_amd64.zip

3. Unzip the archive. 

The archive will extract a single binary called terraform.

$ unzip terraform_0.12.24_linux_amd64.zip

4. Move the terraform binary to a directory included in your system's PATH in our case that's ~/bin directory.

$ mv terraform ~/bin

5. To check whether Terraform is installed, run:

$ terraform version


Install Nginx on Ubuntu 20.04 - Step by Step process to implement it ?

This article covers how to install Nginx on the Ubuntu system. Also, you will learn how to configure the firewall and manage Nginx services. 

Finally, you will see how to uninstall Nginx in case you no longer need it in your system.

Nginx is a free, open-source Linux application for web servers. It works as a reverse proxy server by directing web traffic to specific servers.

Also, Nginx is used for security and load-balancing, but can also function independently as a web server.


To Install Nginx From Ubuntu Repositories:

1. Update Software Repositories

It is important to refresh the repository lists before installing new software. This helps make sure that the latest updates and patches are installed.

Open a terminal window and enter the following:

$ sudo apt-get update

2. Nginx is included in the Ubuntu 20.04 default repositories. Install it by entering the following command:

$ sudo apt-get install nginx


How to manage Nginx on Ubuntu ?

The behavior of Nginx can be adjusted. Use this to start or stop Nginx, or to enable or disable Nginx at boot.

Start by checking the status of the Nginx service:

$ sudo systemctl status nginx

If the status displays active (running), Nginx has already been started. 

Press CTRL+z to exit the status display.

If Nginx is not running, use the following command to launch the Nginx service:

$ sudo systemctl start nginx

To set Nginx to load when the system starts, enter the following:

$ sudo systemctl enable nginx

To stop the Nginx service, enter the following:

$ sudo systemctl stop nginx

To prevent Nginx from loading when the system boots:

$ sudo systemctl disable nginx

To reload the Nginx service (used to apply configuration changes):

$ sudo systemctl reload nginx

For a hard restart of Nginx:

$ sudo systemctl restart nginx

To Test the Configuration

$ sudo nginx –t

The system should report that the configuration file syntax is OK, and that the configuration file test is successful.


Install Wine on CentOS 8 - Step by Step process to do it ?

This article covers how to install Wine on CentOS 8. With the use of this package, you can easily use the native Windows applications on CentOS 8. However, you can also remove this package from your CentOS 8 system to conserve the memory whenever you want.


How to Install Wine 4 on CentOS 8:

Install EPEL Repos on CentOS 8

Wine is not included in the default CentOS 8 repositories but however available on EPEL repos. Therefore, run the command below to install EPEL repos:

$ dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm


To run Wine on CentOS 8:

Wine command takes the following syntax.

$ wine program [arguments]

To obtain help on Wine usage;

$ wine --help

Consult man pages for Wine for more insight.

$ man wine

Before you can use Wine to run Windows applications, reboot your system to setup the Wine environment.

$ systemctl reboot


Extend file system after resizing disk volume in Linux

This article will guide you on the different #command line options to extend #disk space storage in #Linux thereby allowing you to add #storage capacity to your #VM. If your filesystem has the resize capability, that capability is what you use. 1. Check if disk is available: #dmesg | grep sdb. 2. Check if disk is mounted: df -h | grep sdb. 3. Ensure there are no other partitions on disk: fdisk -l /dev/sdb. 4. Verify the #disk: fsck /dev/sdb. 5. Resize the #filesystem: resize2fs /dev/sdb.