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[리눅스] centos 8 Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

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centos 8 Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

[에러]

$ yum install -y systemd sudo openssh-server
Failed to set locale, defaulting to C.UTF-8
CentOS Linux 8 - AppStream                                                                                                 41  B/s |  38  B     00:00
Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

 

sed -i -e "s/mirrorlist=/#mirrorlist=/g" /etc/yum.repos.d/CentOS-*
sed -i -e "s/#baseurl=http:\/\/mirror.centos.org/baseurl=http:\/\/vault.centos.org/g" /etc/yum.repos.d/CentOS-*

 

cat /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

 

yum clean all
$ yum clean all
Failed to set locale, defaulting to C.UTF-8
18 files removed

telnet 패키지 설치

yum install telnet
$ yum install telnet
Failed to set locale, defaulting to C.UTF-8
Last metadata expiration check: 0:02:45 ago on Tue Jan 24 23:57:03 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
Is this ok [y/N]: y
Downloading Packages:
telnet-0.17-76.el8.x86_64.rpm                                                                        58 kB/s |  72 kB     00:01
------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                58 kB/s |  72 kB     00:01
warning: /var/cache/dnf/appstream-d7987f026ef99c82/packages/telnet-0.17-76.el8.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY
CentOS Linux 8 - AppStream                                                                          1.6 MB/s | 1.6 kB     00:00
Importing GPG key 0x8483C65D:
 Userid     : "CentOS (CentOS Official Signing Key) <security@centos.org>"
 Fingerprint: 99DB 70FA E1D7 CE22 7FB6 4882 05B5 55B3 8483 C65D
 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
Is this ok [y/N]: y
Key imported successfully
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!
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