CentOS7升级内核kernel5.0版本

[root@my-e450 ~]# uname -r
3.10.0-514.el7.x86_64

# yum update
# yum install -y ncurses-devel make gcc bc bison flex elfutils-libelf-devel openssl-devel grub2

tar -xvf linux-5.0.21.tar.gz -C /usr/src/kernels/

cd /usr/src/kernels/linux-5.0.21

cp -v cp /boot/config-3.10.0-514.el7.x86_64 /usr/src/kernels/linux-5.0.21/.config

[root@my-e450 linux-5.0.21]# nproc

make -j 2 && make modules_install -j 2 && make install -j 2

#grub2-set-default "CentOS Linux (5.0.21) 7 (Cores)"

#grub2-editenv list

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

[root@my-e450 ~]# uname -sr
Linux 5.0.21