Switching CentOS 6 Source to YUM Repository

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Switching CentOS 6 Source to YUM Repository

Last updated: 2024-01-06 17:38:11

Overview
The CentOS 6 is an end-of-life (EOL) operating system since November 30, 2020, and no longer maintained by the Linux community. Therefore, the CentOS 6 source is unavailable in http://mirror.centos.org/centos-6/, a third-party image site, or Tencent Cloud at http://mirrors.tencent.com/ and http://mirrors.tencentyun.com/. If you continue to use the default CentOS 6 source configured in Tencent Cloud, an error may occur.
Note: 
Upgrading your operating system to CentOS 7 or a later version is recommended. If you still need to use the CentOS 6 dependencies during the transition period, switch the CentOS 6 source as instructed below.
Directions
1. Log in to the Linux instance. Logging in via Web Shell is recommended.. You can also use other login methods as required.
Logging In to Linux Instances (Remote Login)
Logging In to Linux Instance (SSH Key)
2. Run the following command to check the CentOS version of the current operating system.
cat /etc/centos-release
If the result as shown in the following figure is returned, the operating system version is CentOS 6.9.
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3. Run the following command to edit the CentOS-Base.repo file.
vim /etc/yum.repos.d/CentOS-Base.repo 
4. Press i to enter edit mode and modify baseurl according to the CentOS version and network environment.
Note: 
See Private Network Access and Internet Access to determine the required source:
Source for private network access: http://mirrors.tencentyun.com/centos-vault/6.x/
Source for public network access: http://mirrors.tencent.com/centos-vault/6.x/
This document uses CentOS 6.9 that requires a private network access as an example. The modified CentOS-Base.repo file is as follows:
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You can configure as follows:
[extras]
gpgcheck=1
gpgkey=http://mirrors.tencentyun.com/centos/RPM-GPG-KEY-CentOS-6
enabled=1
baseurl=http://mirrors.tencentyun.com/centos-vault/6.9/extras/$basearch/
name=Qcloud centos extras - $basearch
[os]
gpgcheck=1
gpgkey=http://mirrors.tencentyun.com/centos/RPM-GPG-KEY-CentOS-6
enabled=1
baseurl=http://mirrors.tencentyun.com/centos-vault/6.9/os/$basearch/
name=Qcloud centos os - $basearch
[updates]
gpgcheck=1
gpgkey=http://mirrors.tencentyun.com/centos/RPM-GPG-KEY-CentOS-6
enabled=1
baseurl=http://mirrors.tencentyun.com/centos-vault/6.9/updates/$basearch/
name=Qcloud centos updates - $basearch
5. Press ESC, enter :wq, and press Enter to save the modification.
6. Run the following command to modify the CentOS-Epel.repo file.
vim /etc/yum.repos.d/CentOS-Epel.repo 
7. Press i to enter edit mode and modify baseurl based on the network environment.
In this example, change baseurl=http://mirrors.tencentyun.com/epel/$releasever/$basearch/ to baseurl=http://mirrors.tencentyun.com/epel-archive/6/$basearch/. The result is as follows:
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You can configure as follows:
[epel]
name=epel for redhat/centos $releasever - $basearch
failovermethod=priority
gpgcheck=1
gpgkey=http://mirrors.tencentyun.com/epel/RPM-GPG-KEY-EPEL-6
enabled=1
baseurl=http://mirrors.tencentyun.com/epel-archive/6/$basearch/
8. Press ESC, enter :wq, and press Enter to save the modification.
9. Now you can use the yum install command to install the required software.