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Red Hat Enterprise Linux (Rhel) 6.3 Workstation (x86/x64)

Red Hat Enterprise Linux (Rhel) 6.3 Workstation (x86/x64)
Red Hat Enterprise Linux (Rhel) 6.3 Workstation (x86/x64) | 4.05 GB

Red Hat has announced the release of the distribution Red Hat Enterprise Linux 6.3, which presents the correction of errors, the implementation of the support of the new equipment and the addition of new features, while maintaining full compatibility with the operational environment of the branch RHEL 6.x.

Red Hat Enterprise Linux Workstation - distribution to professional users of Linux with support for autonomous development environment.

Red Hat is the leader in Linux and has partnerships with major hardware vendors such as IBM, HP, Dell, Intell, AMD, EMC, and with the companies that are independent software vendors, - IBM, Oracle, Bea and many others.

Key innovations Red Hat Enterprise Linux 6.3:
Virtualization:
The structure is on Virt-P2V tool for migrating physical systems in a virtualized environment by converting working on real hardware systems, Red Hat Enterprise Linux or Microsoft Windows in the form of environments running in a system running virtualization hypervisor KVM. The migration process is as follows: on a portable machine to run a special P2V-client that dumps a local disk and sends them over the network to the server virtualization, which is formed ready virtual environment;
Mechanisms to protect against data loss associated with the virtual machine. Provide for better cleaning of vacated areas of the disk that store virtual machine images are compliant with PCI-DSS (Payment Card Industry Data Security Standards);
Improved scalability, virtualization based on KVM. In guest environments can now use up to 160 virtual CPU (in the last issue 64). From 512 GB to 2 TB increased the limit on the amount of memory that can be allocated to virtual environments. It is noted that the limit on the number of CPU exceeds virualnymi VMware ESX 5.0 to five times, and the size of the memory to 4 times;
Support provided to run on VMware vSphere 5.x (formerly have supported as guest operating systems for vSphere 4.x), are included in the delivery attendant complement High Availability and Resilient Storage;
Experimental support for the organization of the new stack storage devices virtio-scsi, which developed as an alternative to virtio-blk. In virtio-scsi remove the restriction on one PCI-device to disk, support for multiple target devices (qemu and lio) and the ability to bind to a single PCI-device thousands of discs that are inside the virtual environment will not be anything different from the actual SCSI-devices;
In the implementation of the protocol adds support for SPICE forwarding devices USB 2.0.
Safety:
Support for two-factor authentication when providing access environment Red Hat Enterprise Linux, to help improve security systems compared to conventional password authentication and to ensure compliance with industrial safety. For the organization of the entrance is proposed to use OpenSSH multiple different authentication parameters, such as the password and the public key ("RequiredAuthentications2 publickey, password" in / etc / ssh / sshd_config);
In OpenSSH added support for cipher AES-CTR (Advanced Encryption Standard Counter Mode), designed to encrypt traffic in high-speed network environments. Especially its implementing AES-CTR encryption is to support parallel data blocks, where blocks are encrypted with the simultaneous involvement of multiple processor cores;
Support for authentication, EAP-FAST (Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling), acting as a lightweight alternative to LEAP protocol and allows the use of conventional encryption TLS;

Networking:
The possibilities for use of the system IPSet, allows to increase the efficiency of the packet filter with large lists of IP-addresses and subnets. The use of address lists can reduce the number of firewall rules and provide dynamic update rules without negative impact on performance;
In tc utility adds support for setting Quick Fair Scheduler (QFQ);
The structure of the controller is on allocation of network resources based on cgroups - Network Priority (net_prio) resource controller, allowing you to dynamically change priorities to network traffic specified by the application in relation to each of the network interface;

Equipment:
Significant update drivers and subsystems associated with supporting equipment. Ported from the main core drivers for network adapters, storage devices, graphics cards and other equipment;
Full support target-mode Fiber Channel over Ethernet (FCoE), which had previously belonged to the category of experimental possibilities. Using FCoE can create storage-based Red Hat Enterprise Linux, providing the reliability and performance at the level of conventional Fibre Channel, but spending much less money;
Integrated patches to improve performance when working on extremely large systems (eg, with 2048 cores and 16 terabytes of RAM);
Support rdrand machine instruction to generate random numbers. Rdrand maintained CPU Intel Core i5 and i7;
In specialized pseudo-filesystem "pstore" added support UEFI. FS pstore intended to provide access to those present on some platforms repositories, allowing the retention of the debug information about the cause of the collapse between reboots;
Full support for USB 3.0;
Numerous improvements and performance optimization for the platform IBM System z;
By default, the option CONFIG_VGA_SWITCHEROO, lets you switch between the two graphics cards;
Full driver support BFA (Brocade BFA Fibre Channel) and BNA (Brocade 10Gb PCIe ethernet Controllers);

Identity Management:
Identification of updated controls. Added ability to disable the automatic creation of a separate institution for the user to simplify migration from NIS for environments based IdM;
IdM for added plug of the automatic linking of users or hosts to a specific group when you add users or hosts in a server directory;
Support for caching session data instead of performing GSSAPI notifications on every access to Web UI, thus reducing the load on the authentication servers;
Native support for mapping of network groups and services in the SSSD;
Support for centralized management of SSH-keys to the authentication server;

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