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How to set up software installation on CentOS systems using a secure remote repository

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2023-07-05 08:49:361162browse

How to set up software installation on CentOS systems using a secure remote repository

Overview:
In CentOS systems, installing software packages is a key operation. In order to ensure the security and stability of the software, we should use a secure remote warehouse to install and update the software. This article will introduce how to set up a secure remote warehouse in CentOS system and provide relevant code examples.

Step 1: Install and configure the yum plug-in

  1. First, make sure your system has the yum plug-in installed. Use the following command to check and install:

    sudo yum install yum-plugin-security
  2. After installation, use the following command to open the yum configuration file:

    sudo vi /etc/yum/pluginconf.d/security.conf
  3. Modify the file content as follows:

    [main]
    enabled = 1

Step 2: Set up a secure remote warehouse

  1. First, create a new yum warehouse file. Create and open the file using the following command:

    sudo vi /etc/yum.repos.d/security.repo
  2. In the file, paste the following content:

    [CentOS-Security]
    name=CentOS-$releasever - Security
    baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/updates/
    enabled=1
    gpgcheck=1
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

    Instructions:

  3. Modify$releasever is your CentOS version number, such as 7.
  4. Modify $basearch to your system architecture, such as x86_64.
  5. Save and exit the file.

Step 3: Update the system and install software

  1. First, update the list of software packages in the system using the following command:

    sudo yum update
  2. When installing the software package, use the following command to install it. For example, when installing nginx:

    sudo yum install nginx
  3. yum will automatically check the security of the software package and download safe software packages from the configured secure remote repository.
  4. Check the security report using the following command:

    sudo yum updateinfo list security

Summary:
This article introduces how to set up a secure remote repository in a CentOS system and Relevant code examples are provided. By using a secure remote warehouse, we can ensure the security and stability of the software package and improve the reliability and security of the system.

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