LinuxCNC/LinuxCNC Documentation — Vietnamese @ Hosted Weblate: To fix this problem, add a file named `/etc/security/limits.d/linuxcnc.conf` (as …

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	LinuxCNC tries to improve its realtime latency by locking the memory it uses into RAM. It does this in order to prevent the operating system from swapping LinuxCNC out to disk, which would have bad effects on latency.
	Normally locking memory into RAM is frowned upon, and the operating system places a strict limit on how much memory a user is allowed to have locked.
	When using the Preempt-RT realtime platform LinuxCNC runs with enough privilege to raise its memory lock limit itself. When using the RTAI realtime platform it does not have enough privilege, and the user must raise the memory lock limit.
	If LinuxCNC displays the following message on startup, the problem is your system's configured limit on locked memory:	Nếu LinuxCNC hiển thị thông báo sau khi khởi động, vấn đề là hệ thống của bạn đã cài đặt giới hạn bộ nhớ lock:
	RTAPI: ERROR: failed to map shmem RTAPI: Locked memory limit is 32KiB, recommended at least 20480KiB.	RTAPI: ERROR: failed to map shmem RTAPI: Locked memory limit is 32KiB, recommended at least 20480KiB.
	To fix this problem, add a file named `/etc/security/limits.d/linuxcnc.conf` (as root) with your favorite text editor (e.g., `sudo gedit /etc/security/limits.d/linuxcnc.conf`). The file should contain the following line:	Để giải quyết vấn đề này, thêm file `/etc/security/limits.d/linuxcnc.conf` với quyền root bằng bất kỳ trình soạn nào nào bạn biết ( ví dụ `sudo gedit /etc/security/limits.d/linuxcnc.conf`). Nội dung nên giống những dòng:
	* - memlock 20480	* - memlock 20480
	Log out and log back in to make the changes take effect. Verify that the memory lock limit is raised using the following command:	Thoát ra và login lại linux để áp đụng những thay đổi. Dùng lệnh sau để xác định giới hạn bộ nhớ lock đã được tăng lên hay chưa:
	$ ulimit -l	> ulimit -l
	Building on Gentoo
	Building on Gentoo is possible, but not supported. Be sure you are running a desktop profile. This project uses the Tk Widget Set, asciidoc, and has some other dependencies. They should be installed as root:

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English	Vietnamese
LinuxCNC		LinuxCNC Glossary

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src/code/building-linuxcnc.adoc:372

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docs/po/vi.po, string 557