Thursday, 25 May 2017

The latest Linux 4.11, a big release with more storage and also boosts speed

The release of Linux 4.11 is great news to all Linux users. The release adds support for pluggable IO schedules framework in the multi-queue block layer, journaling support in the implementation of MD RAIDS, which closes the write hole. Linux 4.11 is a big release for shared memory, storage, CPU speed boosts as well as touchy-feely types.

WHAT TO EXPECT WITH THE LINUX OPERATING SYSTEMS

This time around, with the new Linux release, among other things it is now better in hot-swapping solid state disks and now could perform journaling on RAID 4/56 volumes. Aside from storage, there is also a support for the OPAL self-encrypting disk drive standard. Also, the kernel has gained support for the Shared Memory Communications over RDMA 9SMC-R) (SMC-R) specification. It is an IBM invention that enables a virtual machine to share memory and thus hastens communications between machines, helping with balancing load and does not hurt when clustering Linux boxen.

Users in the enterprise industry and games both would be happy that the kernel adds enhanced support for the Intel Turbo Boost Max Tech 3.0 technology, which allows a CPU to determine which of its core is quickest and then boost the speed of the clock in response to a vital workload’s requirements. Among the more interesting smaller changes with the latest release, the Infiniband implementation of the kernel has a lot of added nuances. Now, Wacom tablets are supported and the Realtek ALC299/ALC1220 codecs have overdue support, which means that some KABY Lake motherboards now could make noise when running Linux.

The 4.11 release definitely means that the merge window is open for the next Linux Kernel version. Would-be contributors as ever have a little more than a week to give their codes and ideas before Linux Torvalds will set the next Linux version down the assembly line. The 4.11 release is a mix of various things. Majority of the code is dominated by drivers, such as the sound and networking. The rest of the code has Arch updates, file system fixes and generic networking. The biggest Linux Kernel 4.11 features and changes include the following.

1. Changes in graphics. The release of Linux 4.11 brings more maturity to the AMDGPU power management. Also it’s faster for RADV Vulkan. Now, the Intel DRM driver is capable of handling DisplayPort MST audio. Furthermore, Intel has allowed frame-buffer compression via default for newer hardware and Skylake. TinyDRM has been merge as well.

2. Scalable swapping for robust state drives. The make the swapping of solid state disks more scalable and easier, Linux kernel’s new release came up with new changes.

3. Initial Gemini Lake support. Version 4.11 also introduced an initial support for the Intel Gemini Lake chips.

4. Enhanced Intel Turbo Boost Max 3.0 support. Thanks to the enhancements in the Intel Turbo Boost Max 3.0 support, more users could take advantage of the feature on their systems. Also, they could make better use of CPU cores.

5. SMC-R Protocol support. Linux 4.11 brings initial part of the ‘Shared Memory Communications-RDMA protocol implementation. For those who have no idea, SMC-R is an invention of IBM, which allows VMs share memory and hasten communications.

6. Pluggable IO schedulers support in Multi-queue block layer. The release added a new multi-queue design on the Linux block layer for better performance with the new hardware. The new release adds support for pluggable IO schedulers.

7. New perf ftrace tool. Adding perf flrace tool is noticeable in the 4.11 feature. The new tool is intended to be a simple perf front-end for the present ftrace interface.

The installation and use of Linux on a system is the easiest way of preventing malware and viruses. The security aspect was prioritized during the development and it’s much less vulnerable to viruses than Windows. Programs could not do changes a system settings as well as configurations, not unless a user is logged in as the root user. Majority of users don’t log in as the root, thus they could not do a lot of damage to the system, with the exception to their own programs and files, because the download file or malware would have limited privileges. One could browse the web without having to worry on the system getting infected. Nonetheless, users could install ClamAV antivirus software in Linux for further security to the systems.

The reason for the higher security level is that since Linux is open source, the source code is dispensable for review. A great number of developers worldwide have gone through the code, meaning that most flaws have been discovered already. The Linux system is considerably stable and thus it’s not prone to crashes. The OS runs exactly as rapidly as it did when first installed, even after years of use. There’s a robust community support for the platform over the web via different forums. Also, a paid support is available for commercial organizations.

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