Red Hat Enterprise Linux 6 Beta Available Today For Public Download

The long waited Redhat Enterprise Linux version 6 with beta tag is released to public. As of now there are so many downloads happening from FTP server of Redhat. Here is the link to download RHEL6 32 arch and 64 arch.

Here is the improved features from Redhat in this release :

Power Management : Tickless kernel and improvements through the application stack to reduce wakeups, power consumption measurement by Powertop, Power Management (ASPM, ALPM), and adaptive system tuning by Tuned, all enhance more efficient system power usage.

Next Generation Networking : Comprehensive IPv6 support (NFS 4, CIFS, mobile support [RFC 3775], ISATAP support), FCoE, iSCSI, and a new and improved mac 802.11 wireless stack.

Reliability, Availability, and Serviceability (RAS) : System-level enhancements from industry collaborations make the most of hardware RAS capabilities and NUMA architectures.

Fine-Grained Control and Management : Improved scheduler and better resource management in the kernel via Completely Fair Scheduler (CFS) and Control Groups (CG).

Scalable Filesystems : Ext4 file system provides support for larger file sizes and significantly reduces repair times over ext3. XFS® is a high-performance file system that supports extremely large files and is optimized for large data transfers.

Virtualization : KVM includes performance improvements and new features, sVirt protects the guest and host from unauthorized access, SR-IOV and NPIV deliver high-performance virtual use of physical devices, and libvirt leverages kernel resource management functionality.

Enterprise Security Enhancement : SELinux includes improved ease of use, application sandboxing, and significantly increased coverage of system services, while SSSD( System Security Services Daemon) provides unified access to identity and authentication services as well as caching for off-line use.

Development and Runtime Support : SystemTap improvements, ABRT is a new framework for simple collection and reporting of bug information, and improvements are made to GCC (version 4.4.3), glibc (version 2.11.1), and GDB (version 7.0.1).

And here the press release from Redhat.

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All About info, man, whatis, whereis, --help Commands

Do you know what dmidecode command will do?
Ans : Are you going to search in google about dmidecode? No need to search boss. No need to go any where. Linux provied many help tools to know more about a command. This post is all about these commands they are as follows.

1.info command
2. man command
3. --help option
4. whatis command
5. whereis command

First command in this list is info
1. info command(Information command) :
info is a good command which will describe all about the command in detail. Its like lots and lots of pages of information will be there for a single command.

Example :
info ls
The above command will show full help about ls command which is of 10 pages. This will give full information.

2. man command(manual command)
This will give little bit less descriptive but will provied information which you require, and most of the times each option of a command will be described in one sentence and some times in paragraphs.

Example :
man ls

3. --help option
This option is to give one line discription to each option of the command

Example :
ls --help
Please remember --help may present or not present to a command.

4. whatis command
This will show one line description to a give command,
whatis ls

Last but not least
5. whereis this is not a help command but i feel describing this here. This command will show the location of any command.
whereis ls

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Is Job Portal On Linuxnix.com Is Really Worth For You People?

Hi all,

Some Six months back we have started posting job related info such as job postings, interview tips etc on this site at "jobs.linuxnix.com". Is this site really helping you people? Please let me know. We are planing to discontinue the service so that we can concentrate more on some technical stuffs. What you will say guys? Please comment your thoughts on this. So that we can take a decision on this. I am putting a poll on this. Please express your thoughts on this form too..

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