Centos7.6如何升級(jí)為Centos8
1.輸入該命令按回車鍵:
yum -y install epel-release
	  
 
2.輸入該命令按回車鍵:
yum -y install rpmconf yum-utils
	  
 
3.輸入該命令按回車鍵:`rpmconf -a`,出現(xiàn)提示輸入`Y`按回車鍵
	
 
4.輸入該命令按回車鍵:
yum -y install dnf
	  
 
5.輸入該命令按回車鍵:
dnf -y remove yum yum-metadata-parser
	  
 
6.輸入該命令按回車鍵:
rm -rf /etc/yum
	  
 
7.輸入該命令按回車鍵:
dnf -y upgrade
	
8.輸入該命令按回車鍵:
dnf -y install https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/{centos-linux-repos-8-3.el8.noarch.rpm,centos-linux-release-8.5-1.2111.el8.noarch.rpm,centos-gpg-keys-8-3.el8.noarch.rpm}
	  
 
9.輸入該命令按回車鍵
dnf -y upgrade https://mirrors.bfsu.edu.cn/epel/epel-release-latest-8.noarch.rpm
	  
 
10.輸入該命令按回車鍵:
dnf clean all
	  
 
11.輸入該命令按回車鍵:
rpm -e `rpm -q kernel`
	  
 
12.輸入該命令按回車鍵:
rpm -e --nodeps sysvinit-tools
	  
 
13.輸入該命令按回車鍵:
dnf -y --releasever=8 --allowerasing --setopt=deltarpm=false distro-sync
	  
 
14.輸入該命令按回車鍵查看版本:
cat /etc/redhat-release
	  
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