bash script: compile kernel

Script for compile kernel

 #!/bin/bash

echo $(nproc)

if [ $(nproc) -ge 1 ]

then echo je to ok

else 

exit 

fi

date > /root/zaciatok.txt

yum install wget -y

#stiahneme najnovsi kernel

wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.6.9.tar.xz

unxz -v linux-5.6.9.tar.xz

tar xvf linux-5.6.9.tar

cd linux-5.6.9

cp -v /boot/config-$(uname -r) .config

#instalujem developerske balicky na kompilaciu kernelu

yum group install "Development Tools" -y

 yum install ncurses-devel bison flex elfutils-libelf-devel openssl-devel -y

#menu

make menuconfig

#make - kompilovat

make -j $(nproc)

# instalacia modulov:

make modules_install

#instalacia 

make install

#grub:

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

grubby --set-default /boot/vmlinuz-5.6.9

grubby --default-kernel

date > /root/koniec.txt

reboot