1. How to Install or Upgrade to Kernel 4.20 in CentOS 7
来源: https://www.tecmint.com/install-upgrade-kernel-version-in-centos-7/ ,逐行复制到命令行执行,共9行:
uname -sr rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm yum --disablerepo="*" --enablerepo="elrepo-kernel" list available yum --enablerepo=elrepo-kernel install kernel-ml -y sed -i 's/GRUB_DEFAULT=saved/GRUB_DEFAULT=0/g' /etc/default/grub grub2-mkconfig -o /boot/grub2/grub.cfg reboot uname -sr