Centos 7.9 到 Centos 8.4 升级

Question

我的系统是 Centos 7.9，但内核集之前已经升级到 5.4.154(非官方版本)。现在我想将我的机器升级到 8.4。我该怎么做？我尝试了很多方法。但它在某些方面有错误。

Answer 1

yum install epel-release -y
yum install yum-utils
# yum install rpmconf
# rpmconf -a
# package-cleanup --leaves
# package-cleanup --orphans
# yum install dnf
# dnf -y remove yum yum-metadata-parser
# rm -Rf /etc/yum
# dnf upgrade
# dnf install http://mirror.centos.org/centos/8/BaseOS/x86_64/os/Packages/centos-linux-repos-8-2.el8.noarch.rpm http://mirror.centos.org/centos/8/BaseOS/x86_64/os/Packages/centos-linux-release-8.3-1.2011.el8.noarch.rpm http://mirror.centos.org/centos/8/BaseOS/x86_64/os/Packages/centos-gpg-keys-8-2.el8.noarch.rpm

# dnf clean all

# rpm -e `rpm -q kernel`

# rpm -e --nodeps sysvinit-tools

# dnf -y --releasever=8 --allowerasing --setopt=deltarpm=false distro-sync

# dnf -y install kernel-core

# dnf -y groupupdate "Core" "Minimal Install"