August 2018
Intermediate to advanced
482 pages
12h 44m
English
Content preview from Practical Linux Security Cookbook - Second Edition
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How it works...
Once the kernel is configured and compiled, it can be installed on the system. The first command will copy the modules to a sub-directory of /lib/modules. The second command executes /sbin/installkernel. Also, the new kernel will be installed into /boot/vmlinuz-{version}. While doing this, if a symbolic link already exists for /boot/vmlinuz, it will get refreshed by linking /boot/vmlinuz to the new kernel. And the previously installed kernel will be available as /boot/vmlinuz.old. The same will happen for the config and System.map files. Once everything is done, we can reboot the system to boot from the new kernel:
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