- About kexec : To directly boot into a new kernel
- It comes from “kexec-tools-2.0.0” package.
– Path: /sbin/kexec
Examples:
To run the currently loaded kernel
| $ kexec -e $ kexec –exec |
2. To Force an immediate kexec call
| $ kexec -f $ kexec –force |
3. To see the help for kexec
| $ kexec -h $ kexec –help |
4. To load the specified kernel into the current kernel
| $ kexec -l kernel $ kexec –load kernel |
5. To Load the new kernel for use on panic
| $ kexec -p $ kexec –load-panic |
6. To Specify that the new kernel is of this type.
| $ kexec -t type $ kexec –typetype |
7. To Unload the current kexec target kernel
| $ kexec -u $ kexec –unload |
8. To get the version for the kexec
| $ kexec –version |
9. To shutdown the running kernel
| $ kexec -x $ kexec –no-ifdown |
10. To Specify the lowest memory address addr to load code into
| $ kexec –mem-min=addr |
11. To Specify the highest memory address addr to load code into
| $ kexec –mem-max=addr |
