Run script after apt-get updates grub











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I use Debian 9 on an EFI system with a custom grub image and configuration file in order to make Secure Boot work. However, whenever apt-get updates Grub my customizations get overriden.



What is the best solution for this? I do not want to prevent grub from updating, as there might be security updates. I have a script that creates my customizations. Is there a way to run that every time apt-get updates grub?



Unfortunately, I cannot find much information on this, as the Google results are just cluttered with people running into grub update error messages.










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  • Can you clarify exactly what is custom and how you create it?
    – fixer1234
    Nov 14 at 11:56










  • The grub image (grubx64.efi) is custom, I created it with grub-mkstandalone.
    – Raymond Garver
    Nov 15 at 4:09















up vote
0
down vote

favorite












I use Debian 9 on an EFI system with a custom grub image and configuration file in order to make Secure Boot work. However, whenever apt-get updates Grub my customizations get overriden.



What is the best solution for this? I do not want to prevent grub from updating, as there might be security updates. I have a script that creates my customizations. Is there a way to run that every time apt-get updates grub?



Unfortunately, I cannot find much information on this, as the Google results are just cluttered with people running into grub update error messages.










share|improve this question
























  • Can you clarify exactly what is custom and how you create it?
    – fixer1234
    Nov 14 at 11:56










  • The grub image (grubx64.efi) is custom, I created it with grub-mkstandalone.
    – Raymond Garver
    Nov 15 at 4:09













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I use Debian 9 on an EFI system with a custom grub image and configuration file in order to make Secure Boot work. However, whenever apt-get updates Grub my customizations get overriden.



What is the best solution for this? I do not want to prevent grub from updating, as there might be security updates. I have a script that creates my customizations. Is there a way to run that every time apt-get updates grub?



Unfortunately, I cannot find much information on this, as the Google results are just cluttered with people running into grub update error messages.










share|improve this question















I use Debian 9 on an EFI system with a custom grub image and configuration file in order to make Secure Boot work. However, whenever apt-get updates Grub my customizations get overriden.



What is the best solution for this? I do not want to prevent grub from updating, as there might be security updates. I have a script that creates my customizations. Is there a way to run that every time apt-get updates grub?



Unfortunately, I cannot find much information on this, as the Google results are just cluttered with people running into grub update error messages.







debian grub uefi bootloader secure-boot






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edited Nov 15 at 4:27

























asked Nov 14 at 11:33









Raymond Garver

11




11












  • Can you clarify exactly what is custom and how you create it?
    – fixer1234
    Nov 14 at 11:56










  • The grub image (grubx64.efi) is custom, I created it with grub-mkstandalone.
    – Raymond Garver
    Nov 15 at 4:09


















  • Can you clarify exactly what is custom and how you create it?
    – fixer1234
    Nov 14 at 11:56










  • The grub image (grubx64.efi) is custom, I created it with grub-mkstandalone.
    – Raymond Garver
    Nov 15 at 4:09
















Can you clarify exactly what is custom and how you create it?
– fixer1234
Nov 14 at 11:56




Can you clarify exactly what is custom and how you create it?
– fixer1234
Nov 14 at 11:56












The grub image (grubx64.efi) is custom, I created it with grub-mkstandalone.
– Raymond Garver
Nov 15 at 4:09




The grub image (grubx64.efi) is custom, I created it with grub-mkstandalone.
– Raymond Garver
Nov 15 at 4:09










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Make a custom trigger file at /var/lib/dpkg/triggers



More info: https://wiki.debian.org/DpkgTriggers






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  • Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
    – Raymond Garver
    Nov 15 at 4:16











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Make a custom trigger file at /var/lib/dpkg/triggers



More info: https://wiki.debian.org/DpkgTriggers






share|improve this answer





















  • Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
    – Raymond Garver
    Nov 15 at 4:16















up vote
0
down vote













Make a custom trigger file at /var/lib/dpkg/triggers



More info: https://wiki.debian.org/DpkgTriggers






share|improve this answer





















  • Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
    – Raymond Garver
    Nov 15 at 4:16













up vote
0
down vote










up vote
0
down vote









Make a custom trigger file at /var/lib/dpkg/triggers



More info: https://wiki.debian.org/DpkgTriggers






share|improve this answer












Make a custom trigger file at /var/lib/dpkg/triggers



More info: https://wiki.debian.org/DpkgTriggers







share|improve this answer












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answered Nov 14 at 11:45









Ipor Sircer

3,41711014




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  • Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
    – Raymond Garver
    Nov 15 at 4:16


















  • Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
    – Raymond Garver
    Nov 15 at 4:16
















Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
– Raymond Garver
Nov 15 at 4:16




Thanks for the suggestion, but I don't understand how this would help. If I create a custom trigger it wouldn't be called by the grub package when it is installed, because it doesn't know about my trigger.
– Raymond Garver
Nov 15 at 4:16


















 

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