centos7升级内核解决wireguard不能启动的问题

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm

yum --disablerepo="*" --enablerepo="elrepo-kernel" list available

yum --enablerepo=elrepo-kernel install kernel-ml

vi /etc/default/grub

修改GRUB_DEFAULT=0

grub2-mkconfig -o /boot/grub2/grub.cfg

reboot

[

RTNETLINK answers: Operation not supported

Unable to access interface: Protocol not supported

[

Cannot find device "wg0"

yum install yum-utils epel-release

yum-config-manager --setopt=centosplus.includepkgs=kernel-plus --enablerepo=centosplus --save

sed -e 's/^DEFAULTKERNEL=kernel$/DEFAULTKERNEL=kernel-plus/' -i /etc/sysconfig/kernel

yum install kernel-plus wireguard-tools

reboot

vi /etc/sysctl.conf

net.ipv4.ip_forward=1

sysctl -p

echo 1 > /proc/sys/net/ipv4/ip_forward