How to set up software installation on CentOS systems using a secure remote repository-Linux Operation and Maintenance-php.cn

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

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Release： 2023-07-05 08:49:36

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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

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
```
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After installation, use the following command to open the yum configuration file:
```
sudo vi /etc/yum/pluginconf.d/security.conf
```
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Modify the file content as follows:
```
[main]
enabled = 1
```
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Step 2: Set up a secure remote warehouse

First, create a new yum warehouse file. Create and open the file using the following command:
```
sudo vi /etc/yum.repos.d/security.repo
```
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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

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Instructions:

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

Step 3: Update the system and install software

First, update the list of software packages in the system using the following command:
```
sudo yum update
```
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When installing the software package, use the following command to install it. For example, when installing nginx:
```
sudo yum install nginx
```
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yum will automatically check the security of the software package and download safe software packages from the configured secure remote repository.
Check the security report using the following command:
```
sudo yum updateinfo list security
```
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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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