in this video i will show you
– how you can install another kernel (old or new) along with existing kernel . this method works with other linux distros like centos , red hat as well.
just change the package manager accordingly.
– switch between installed kernels
– resolve the grub menu now appearing at boot time issue.
prerequisites:
sudo apt-get install bc
sudo apt-get install gcc
sudo apt-get install make
sudo apt-get install flex
sudo apt-get install bison
sudo apt-get install openssl libssl-dev
##if required run this # sudo apt –fix-broken install
sudo apt install libncurses-dev
sudo apt-get -y install elfutils
— changes in .config file
CONFIG_MODULE_SIG=y to n
comment the below lines:
CONFIG_SYSTEM_TRUSTED_KEYS
CONFIG_DEBUG_INFO_BTF
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