Tag: kernel

In computing, the kernel is the main component of most computer operating systems; it is a bridge between applications and the actual data processing done at the hardware level. The kernel’s responsibilities include managing the system’s resources (the communication between hardware and software components). Usually, as a basic component of an operating system, a kernel can provide the lowest-level abstraction layer for the resources (especially processors and I/O devices) that application software must control to perform its function. It typically makes these facilities available to application processes through inter-process communication mechanisms and system calls.
Operating system tasks are done differently by different kernels, depending on their design and implementation. While monolithic kernels execute all the operating system code in the same address space to increase the performance of the system, microkernels run most of the operating system services in user space as…

Ksplice is now free(for Fedora)

Ksplice Uptrack, the rebootless Linux update service, is now available for Fedora Linux. The offering, which is free of charge, makes Fedora the latest Linux distribution to instantly install crucial…

No reboot, Ksplice said

For Linux system administrator, rebooting the server is a must when you updating the kernel. It is necessary to keep the server safe from any vulnerability from the old kernel.…

Super fast Ext4 filesystem arrives in Ubuntu 9.04

The Ext4 filesystem, which was officially declared stable in Linux kernel 2.6.28, is now available in the latest Ubuntu 9.04 daily CD builds. Preliminary benchmarks show that it delivers significantly…

TCP: Treason uncloaked!

I’m bit paranoid when server down due to high load on server. Normally it is because of script and sometimes it is because of SPAM. However i find weird message…

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