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stu43005/edit_system.img.sh

Created July 3, 2022 06:21
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  1. stu43005 created this gist Jul 3, 2022.
    15 changes: 15 additions & 0 deletions edit_system.img.sh
    View file
    Original file line number Diff line number Diff line change
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    # 擴充大小
    system_size=$(( $(du -sB512 system.img | cut -f1) + 200000 ))
    e2fsck -yf system.img
    resize2fs system.img "$system_size"s
    # 掛載映像檔
    mkdir -p /tmp/system
    sudo mount -o loop system.img /tmp/system
    #
    # << 在這邊編輯 /tmp/system 內容
    #
    # 取消掛載
    sudo umount /tmp/system
    # 精簡大小
    e2fsck -yf system.img
    resize2fs -M system.img