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Providing Read/Write permission to "etc" in Read only Rootfile system #zeus #yocto
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Poornesh G ( India - Bangalore )
Greetings !
I am working on NXP's i.MX6UL SoC and I have successfully built a Read-only Rootfile system through Yocto. Now I am having a requirement of making only "/etc" as Read & Writable . So , Can any one suggest me the procedure for making only "/etc" directory as Read & Writable and by keeping rest (/usr , /lib , /bin , ..) as Read-only through Yocto . Thanks in Advance
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Quentin Schulz
Hi,
On 7/20/22 12:17, poornesh.g@... wrote: Greetings !This seems like a good use for overlayfs-etc IMAGE_FEATURES? c.f. https://docs.yoctoproject.org/ref-manual/features.html#image-features See https://docs.yoctoproject.org/ref-manual/classes.html#overlayfs-etc-bbclass on how to configure it. This seems to have been added in Kirkstone (4.0) release. Cheers, Quentin
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Michael Opdenacker
Hi Poornesh
On 7/20/22 12:17, poornesh.g@... wrote: Greetings ! This is not supported in Zeus, but otherwise you may be interested in the "overlay-etc" class: https://docs.yoctoproject.org/ref-manual/classes.html?highlight=overlayfs#overlayfs-etc-bbclass Cheers Michael. -- Michael Opdenacker, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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