CentOS 버전 업데이트

버전 확인

cat /etc/redhat-release

 

특정 버전 업데이트

sudo cp -r /etc/yum.repos.d /etc/yum.repos.d_backup
sudo vi /etc/yum.repos.d/CentOS-Base.repo

```
[base]
name=CentOS-$releasever - Base
# 아래 mirrorlist 주석
# mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
# baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
# 아래 한줄 추가
baseurl=http://mirror.centos.org/centos/특정버전/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[updates]
name=CentOS-$releasever - Updates
# 아래 mirrorlist 주석
# mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
# baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
# 아래 한줄 추가
baseurl=http://mirror.centos.org/centos/특정버전/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
```

sudo yum clean all

sudo yum repolist

sudo yum update

 

yum curl error

sudo vi /etc/yum.repos.d/epel.repo

# mirrorlist 전부 주석
# baseurl 전부 주석 풀기

sudo yum clean all

sudo yum repolist

sudo yum update