CentOS 8에서 Failed to download metadata for repo 'appstream' 오류를 해결하는 방법

CentOS 8에서 Failed to download metadata for repo 'appstream' 오류를 해결하는 방법

오류

$ yum install telnet
Failed to set locale, defaulting to C.UTF-8
Repository appstream is listed more than once in the configuration
CentOS Linux 8 - AppStream                                                              67  B/s |  38  B     00:00
Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

"Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist" 오류는 'appstream' 리포지토리의 내부 미러 목록에 URL이 없어서 메타데이터를 다운로드할 수 없는 경우에 발생합니다.

해결 방법

• sed 명령어를 사용하여 리포지토리를 수정합니다.

sed -i 's/^mirrorlist=/#mirrorlist=/g' /etc/yum.repos.d/CentOS-Linux-*.repo

sed -i -e 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-Linux-*.repo

yum clean all

• editor(vim)를 사용하여 리포지토리를 수정합니다.

CentOS-Linux-AppStream.repo

vim /etc/yum.repos.d/CentOS-Linux-AppStream.repo

# CentOS-Linux-AppStream.repo
#
# The mirrorlist system uses the connecting IP address of the client and the
# update status of each mirror to pick current mirrors that are geographically
# close to the client.  You should use this for CentOS updates unless you are
# manually picking other mirrors.
#
# If the mirrorlist does not work for you, you can try the commented out
# baseurl line instead.

[appstream]
name=CentOS Linux $releasever - AppStream
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=AppStream&infra=$infra
baseurl=http://vault.centos.org/$contentdir/$releasever/AppStream/$basearch/os/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial

CentOS-Linux-BaseOS.repo

vim /etc/yum.repos.d/CentOS-Linux-BaseOS.repo

# CentOS-Linux-BaseOS.repo
#
# The mirrorlist system uses the connecting IP address of the client and the
# update status of each mirror to pick current mirrors that are geographically
# close to the client.  You should use this for CentOS updates unless you are
# manually picking other mirrors.
#
# If the mirrorlist does not work for you, you can try the commented out
# baseurl line instead.

[baseos]
name=CentOS Linux $releasever - BaseOS
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=BaseOS&infra=$infra
baseurl=http://vault.centos.org/$contentdir/$releasever/BaseOS/$basearch/os/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial

telnet 패키지 설치

yum install -y telnet

$ yum install -y telnet
Failed to set locale, defaulting to C.UTF-8
Last metadata expiration check: 0:07:09 ago on Sun Jul  2 05:21:14 2023.
Dependencies resolved.
==================================================================================================================
 Package                 Architecture            Version                         Repository                  Size
==================================================================================================================
Installing:
 telnet                  x86_64                  1:0.17-76.el8                   appstream                   72 k

Transaction Summary
==================================================================================================================
Install  1 Package

Total download size: 72 k
Installed size: 119 k
Downloading Packages:
telnet-0.17-76.el8.x86_64.rpm                                                     964 kB/s |  72 kB     00:00
------------------------------------------------------------------------------------------------------------------
Total                                                                             926 kB/s |  72 kB     00:00
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                          1/1
  Installing       : telnet-1:0.17-76.el8.x86_64                                                              1/1
  Running scriptlet: telnet-1:0.17-76.el8.x86_64                                                              1/1
  Verifying        : telnet-1:0.17-76.el8.x86_64                                                              1/1

Installed:
  telnet-1:0.17-76.el8.x86_64

Complete!

 

참고URL

- CentOS Linux EOL : https://www.centos.org/centos-linux-eol/