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Category Archives: Initrd

當Ramdisk的檔案格式遇上PXE


最近剛好碰到關於Ramdisk建置問題,因為客戶把一個貌似Initrd.img的東西拿了過來,好像是先經過CPIO打包後,再用Gzip做壓縮的檔案,問說能不能幫他開起來,後來我直接進到/boot去看,空的!再到/etc/issue那邊欣賞一下,還好客戶這邊還保持原味,發現是用RHEL 6.2 x64的版本Build成的,之後再整個Image裡面去Find也毫無任何Grub執行檔,只好把這個Image拿去PXE那邊試看看,偶然才發現原來有分幾種不同的格式包法,所以廢話不多說,先來介紹有哪些格式來包Initrd,如下: Read more »

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