yum install -y bc wget -c https: //cdn .kernel.org /pub/linux/kernel/v3 .x /linux-3 .18.22. tar .gz tar -xzf linux-3.18.22. tar .gz -C /usr/src/ cd /usr/src/linux-3 .18.22/ cp /boot/config-3 .10.0-229.el7.x86_64 .config sh -c 'yes "" | make oldconfig' make -j4 bzImage make -j4 modules make -j4 modules_install make install reboot |