Installing Development Tools in CentOS 7: Step-by-Step Guide

Installing Apache

Apache is a popular web server used for serving web pages and running web applications. To install Apache on CentOS 7, follow these steps:

  1. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  2. Next, install Apache by running the following command:
    css
    sudo yum install httpd -y

  3. Verify that Apache is installed correctly by running the following command in your terminal:
    bash
    httpd -V

This should output the version number of Apache that you just installed.

Installing MariaDB

MariaDB is a drop-in replacement for MySQL that offers improved performance and scalability. To install MariaDB on CentOS 7, follow these steps:

  1. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  2. Next, uninstall MySQL by running the following command:
    css
    sudo yum remove mysql-server -y

  3. Install MariaDB by running the following command:
    css
    sudo yum install mariadb-server -y

  4. Verify that MariaDB is installed correctly by running the following command in your terminal:
    bash
    mysql -V

This should output the version number of MariaDB that you just installed.

Installing PostgreSQL

PostgreSQL is a powerful, open-source object-relational database management system. To install PostgreSQL on CentOS 7, follow these steps:

  1. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  2. Next, install PostgreSQL by running the following command:
    css
    sudo yum install postgresql-server -y

  3. Verify that PostgreSQL is installed correctly by running the following command in your terminal:
    bash
    pg_version | grep "PostgreSQL"

This should output the version number of PostgreSQL that you just installed.

Installing Subversion

Subversion is a version control system that allows developers to track changes to their code and collaborate with others. To install Subversion on CentOS 7, follow these steps:

  1. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  2. Next, install Subversion by running the following command:
    css
    sudo yum install subversion -y

  3. Verify that Subversion is installed correctly by running the following command in your terminal:
    bash
    subversion –version

This should output the version number of Subversion that you just installed.

Installing Git

GitLab is a web-based platform for software development that includes tools for version control, issue tracking, and continuous integration. To install GitLab on CentOS 7, follow these steps:

  1. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  2. Install GitLab by running the following command:
    css
    sudo curl -sSL https://get.gitlab.com/installer/latest/linux-amd64/install.sh | sh

  3. Start GitLab by running the following command:
    bash
    sudo systemctl start gitlab

  4. Verify that GitLab is installed correctly by opening your web browser and navigating to http://localhost. You should see a login page for GitLab.

    Installing Jenkins

    Jenkins is an open-source automation server that allows developers to build, test, and deploy software applications. To install Jenkins on CentOS 7, follow these steps:

  5. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  6. Install Java by running the following command:
    css
    sudo yum install java-1.8.0-openjdk-devel -y

  7. Install Jenkins by running the following command:
    css
    wget -qO – https://pkg.jenkins.io/debian-binary/jenkins.io.key | sudo apt-key add –
    echo "deb https://pkg.jenkins.io/debian-binary binary/" | sudo tee /etc/apt/sources.list.d/jenkins.list > /dev/null
    sudo apt-get update -y
    sudo apt-get install jenkins java9-default -y

  8. Start Jenkins by running the following command:
    bash
    sudo systemctl start jenkins

  9. Verify that Jenkins is installed correctly by opening your web browser and navigating to http://localhost:8080. You should see a login page for Jenkins.

    Installing Docker

    Docker is a popular platform for building, shipping, and running software applications in containers. To install Docker on CentOS 7, follow these steps:

  10. Open up your terminal and run the following command to update your package list:
    bash
    sudo yum update -y

  11. Install Docker by running the following command:
    css
    sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add –
    echo "deb [arch=$(dpkg –print-architecture) signed-by/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
    sudo apt-get update -y
    sudo apt-get install docker-ce docker-ce-cli containerd.io -y

  12. Verify that Docker is installed correctly by running the following command in your terminal:
    bash
    docker run hello-world

This should output a message indicating that the "hello-world" image was successfully pulled and run, confirming that Docker is installed correctly.