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If the "ns" cgroup was mounted, each namespace would also create a new group in the cgroup hierarchy. This was an experiment that was later judged to be a poor fit for the cgroups API, and removed from the kernel. Linux namespaces were inspired by the more general namespace functionality used heavily throughout Plan 9 from Bell Labs. [34]
The Linux kernel provides the cgroups functionality that allows limitation and prioritization of resources (CPU, memory, block I/O, network, etc.) without the need for starting any virtual machines, and also the namespace isolation functionality that allows complete isolation of an application's view of the operating environment, including ...
cgroups (control groups) in Linux kernel namespace; CGroup, a subsidiary of Li & Fung; See also. Group C (disambiguation) Group 3 (disambiguation) Group ...
The Linux Namespaces originated in 2002 in the 2.4.19 kernel with work on the mount namespace kind. Additional namespaces were added beginning in 2006 [ 3 ] and continuing into the future. Adequate containers support functionality was finished in kernel version 3.8 [ 4 ] [ 5 ] with the introduction of User namespaces.
In computing, kernel same-page merging (KSM), also known as kernel shared memory, memory merging, memory deduplication, and page deduplication is a kernel feature that makes it possible for a hypervisor system to share memory pages that have identical contents between multiple processes or virtualized guests.
μClinux is a variation of the Linux kernel, previously maintained as a fork, that targets microcontrollers without a memory management unit (MMU). [1] It was integrated into the mainline kernel as of 2.5.46; [ 2 ] the project continues to develop patches and tools for microcontrollers.
Tiny Core Linux is an example of Linux distribution that run from RAM. This is a list of Linux distributions that can be run entirely from a computer's RAM, meaning that once the OS has been loaded to the RAM, the media it was loaded from can be completely removed, and the distribution will run the PC through the RAM only.
The Linux kernel's support for namespaces mostly [16] isolates an application's view of the operating environment, including process trees, network, user IDs and mounted file systems, while the kernel's cgroups provide resource limiting for memory and CPU. [17]