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Cài PAE cho nhân linux

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Linux bản 32bit như các bạn đã biết chỉ nhận tối đa cỡ 3GB RAM.
Muốn dùng hơn người ta hay cài PAE vào nhân hay cài bản 64bit. Tuy nhiên bản 64bit hiện giờ có hạn chế là có phần mềm không tương thích ...

Các bạn làm theo hướng dẫn sau để enable HIGHMEM64G cho linux.

enabling-pae-on-a-32-bit-ubuntu-desktop-supporting-up-to-64-gb/

Một số lưu ý:
- Dịch lại nhân linux khá mất thời gian, máy mình core i5 đời cũ, 4GB Ram chạy mất 1h cho stage 1, stage 2 mất tầm 30'.
- Sau khi dịch ra 2 gói .deb 1 header và 1 image các bạn cài gói image trước thay vì gói header như trong hướng dẫn nếu gặp lỗi đòi header.


Ram 4GB hiện giờ cỡ 900k. Đa số lap bây giờ là 4GB = 2x2GB.
Cài xong kernel mới các bạn nhớ xóa source đi cho nhẹ, của mình bản 3.2.0-57 là 6GB.

Chúc thành công !


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  1. Nick FarrowMarch 27, 2015 at 7:30 AM

    Còn 1 cách là ngay lúc cài Ubuntu có tùy chọn enable PAE thì phải. Không rõ có phải do mấy bản Ub gần đây thêm vào ko. https://help.ubuntu.com/community/PAE?action=show&redirect=EnablingPAE

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