preface
centos8 stopped the service of source on December 31, 2021
The current system is CentOS
[root@localhost ~]# cat /etc/centos-release
CentOS Linux release 8.5.2111
[root@localhost ~]#
Yum error message
[root@localhost ~]# yum install ipmitool
CentOS-8 - AppStream 439 B/s | 2.3 kB 00:05
Errors during downloading metadata for repository 'aliyun-AppStream':
- Status code: 404 for https://mirrors.aliyun.com/centos-Vault/8.5.2111/BaseOS/x86_64/os/repodata/repomd.xml (IP: 182.105.147.113)
Error: Failed to download metadata for repo 'aliyun-AppStream': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
[root@localhost ~]#
Solution
1. Execute the following commands
[root@localhost ~]#cd /etc/yum.repos.d/
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# ls -lh
total 24K
-rwxr-xr-x. 1 root root 288 Mar 22 20:07 CentOS-AppStream.repo
-rwxr-xr-x. 1 root root 276 Mar 22 20:07 CentOS-BaseOS.repo
-rwxr-xr-x. 1 root root 3.0K Mar 22 20:07 CentOS-Base.repo
-rwxr-xr-x. 1 root root 279 Mar 22 20:07 CentOS-Extras.repo
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
[root@localhost yum.repos.d]# sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# yum update -y
Repository base is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Repository PowerTools is listed more than once in the configuration
Repository AppStream is listed more than once in the configuration
CentOS-8 - AppStream 437 B/s | 2.3 kB 00:05
Errors during downloading metadata for repository 'aliyun-AppStream':
- Status code: 404 for https://mirrors.aliyun.com/centos-Vault/8.5.2111/BaseOS/x86_64/os/repodata/repomd.xml (IP: 124.225.134.244)
Error: Failed to download metadata for repo 'aliyun-AppStream': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
2. If the problem is not solved, do the following:
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo
--2022-03-22 20:08:42-- https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo
Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 124.225.134.241, 124.225.134.239, 124.225.134.243, ...
Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|124.225.134.241|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2495 (2.4K) [application/octet-stream]
Saving to: ‘/etc/yum.repos.d/CentOS-Base.repo’
/etc/yum.repos.d/CentOS-Base.repo 100%[===================================================================================================================>] 2.44K --.-KB/s in 0s
2022-03-22 20:08:47 (49.0 MB/s) - ‘/etc/yum.repos.d/CentOS-Base.repo’ saved [2495/2495]
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# yum clean all
Repository base is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Repository PowerTools is listed more than once in the configuration
Repository AppStream is listed more than once in the configuration
18 files removed
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# yum makecache
Repository base is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Repository PowerTools is listed more than once in the configuration
Repository AppStream is listed more than once in the configuration
CentOS-8 - AppStream 428 B/s | 2.3 kB 00:05
Errors during downloading metadata for repository 'aliyun-AppStream':
- Status code: 404 for https://mirrors.aliyun.com/centos-Vault/8.5.2111/BaseOS/x86_64/os/repodata/repomd.xml (IP: 119.41.210.242)
Error: Failed to download metadata for repo 'aliyun-AppStream': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
[root@localhost yum.repos.d]#
3. Then perform the following operations
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# ls -lh
total 24K
-rwxr-xr-x. 1 root root 288 Mar 22 20:07 CentOS-AppStream.repo
-rwxr-xr-x. 1 root root 276 Mar 22 20:07 CentOS-BaseOS.repo
-rwxr-xr-x. 1 root root 3.0K Mar 22 20:07 CentOS-Base.repo
-rwxr-xr-x. 1 root root 279 Mar 22 20:07 CentOS-Extras.repo
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# mkdir bak
[root@localhost yum.repos.d]# mv *.repo bak
[root@localhost yum.repos.d]# ls
bak
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo
--2022-03-22 20:10:10-- https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo
Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 124.225.134.239, 124.225.134.241, 124.225.134.243, ...
Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|124.225.134.239|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2495 (2.4K) [application/octet-stream]
Saving to: ‘/etc/yum.repos.d/CentOS-Base.repo’
/etc/yum.repos.d/CentOS-Base.repo 100%[==================================================================>] 2.44K --.-KB/s in 0s
2022-03-22 20:10:15 (98.3 MB/s) - ‘/etc/yum.repos.d/CentOS-Base.repo’ saved [2495/2495]
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# yum clean all
0 files removed
[root@localhost yum.repos.d]# yum makecache
CentOS-8.5.2111 - Base - mirrors.aliyun.com 454 kB/s | 4.6 MB 00:10
CentOS-8.5.2111 - Extras - mirrors.aliyun.com 1.0 kB/s | 10 kB 00:10
CentOS-8.5.2111 - AppStream - mirrors.aliyun.com 571 kB/s | 8.4 MB 00:15
Metadata cache created.
[root@localhost yum.repos.d]# ls
bak CentOS-Base.repo
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]#
[root@localhost yum.repos.d]# yum install ipmitool
Last metadata expiration check: 0:00:27 ago on Tue 22 Mar 2022 08:10:54 PM CST.
Dependencies resolved.
=================================================================================================================================================================================================================
Package Architecture Version Repository Size
=================================================================================================================================================================================================================
Installing:
ipmitool x86_64 1.8.18-18.el8 AppStream 395 k
Transaction Summary
=================================================================================================================================================================================================================
Install 1 Package
Total download size: 395 k
Installed size: 1.1 M
Is this ok [y/N]: y
Downloading Packages:
ipmitool-1.8.18-18.el8.x86_64.rpm 71 kB/s | 395 kB 00:05
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 71 kB/s | 395 kB 00:05
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : ipmitool-1.8.18-18.el8.x86_64 1/1
Running scriptlet: ipmitool-1.8.18-18.el8.x86_64 1/1
Verifying : ipmitool-1.8.18-18.el8.x86_64 1/1
Installed:
ipmitool-1.8.18-18.el8.x86_64
Complete!
[root@localhost yum.repos.d]#
At this point, you can use the yum install command.