Browsing File system

1.copy - copying files
syntax:cp sourcefile destinationfile

2.rename -rename/move the files
i)syntax:mv sourcefile destinationfile (if the destination available it will be moved. Otherwise it will be renamed.)

3.create new files and manage nautilus
Applications-->system tools-->File browser

4.touch  filename - command for creating dummy files / updating time stamp
5.cat filename - viewing the contents of a particular file
6.vim filname - editing the file.(saving esc+shift+:wq)
7.mkdir dir - creating a directory
8.cd dir -change directory
9.pwd :present working directory
10.cd - :previous working directory
11.cd :goto the home directory of the current user

12.Removing the file/directoy:
rmdir dirname - remove directory (if directory is empty)
rm -rf dirname - remove directory recursively (directory has some contents)

13.cd ..    - going back the parent directory
14.syntax: file filename -for checking what type file the given is

Hardware configuration & Installation:I & II

Hardware configuration & Installation:I

New hardware:   
1. cdrom - automount/manual mount
2. pendrive    ""
3. printer
4. scanner

verification:
/dev/hdd on /media type iso9660 (ro)
#mount /dev/cdrom /media/ - linking/attaching
#umount /media/    - for unmounting/detaching.

mounting pendrive
#mount /dev/sdb1 /mnt/

unmounting pendrive:
#umount /mnt/

Harddisk categories
1.sata & scsi sda,sdb,sdc,& sdd Primary master, primary slave, secondary master & secondary slave
2.IDE harddisk
hda,hdb,hdc & hdd - primary master, primary slave, secondary master & secondary slave
3.Virtual harddisk
vda,vdb,vdc,vdd - primary master, primary slave, secondary master & secondary slave

Kudzu
Kudzu is a service that is used to check and mount new hardware.(camera,scanner)
#whereis kudzu    - location of the command kudzu

files for checking new hardware
/etc/sysconfig/hwconf
/etc/modprobe.conf
/etc/sysconfig/network-scripts/
/etc/X11/xorg.conf

kudzu
service kudzu status
service kudzu start
service kudzu stop   
chkconfig kudzu on

Hardware configuration & Installation:II
1.mount the file system
2.mount ntfs file system
    i) read only mount
    11) read write mount
3.syntax of mount
#mount sourcepath mountpoint
eg: mount /dev/cdrom/ /mnt/

mount 192.168.0.254:/var/ftp/pub/ on /mnt type nfs (rw,addr=192.168.0.254
#fdisk -l |grep NTFS - for viewing ntfs file system only.

New Features in RHEL6

1. ext4 file system is introduced.
2. xen is removed and kernel virtualization machine (KVM) is introduced.
3. neat command is removed.
4. portmap service is removed.
5. iscsi is introduced, which supports for SAN.
6. rpmbuild is available, which is used to create our own rpms.
7. File encyption is added.
8. palimpsest is available for disk management.
9. Virtual machine will run only on 64bit processors.
10. postfix service is recommended instead of sendmail service.

Wine works good in RHEL 5.3

Search the below rpm and install it .(i.e., wine).
Step1: rpm -ivh wine-core-1.1.9-1.el5.test.i386.rpm

Step2: open the vlc-1.1.5-win32.exe via Wine Loader.

Step3: Play the desireable video or audio file.

Transmission Bit Torrent Client works good in RHEL 5.3

Google the below rpm and download it carefully. Then install the rpm as shows below.
Step 1: rpm -ivh transmission-1.34-1.el5.i386.rpm
Step 2: Applications-->Internet-->Transmission BitTorrent Client

Red Hat Enterprise Linux 5.6 Now Available

Highlights of Red Hat Enterprise Linux 5.6 include:

• Hardware enablement
The release continues to enable new hardware from Red Hat partners, encompassing processors and chipsets launching in 2011, I/O (iSCSI & iSNS) and multimedia, combined with numerous driver updates. Red Hat Enterprise Linux 5.6 provides updated installation media to allow easier installation on new OEM platforms using the newly enabled hardware.
• Virtualization improvements
Several virtualization feature updates are provided in Red Hat Enterprise Linux 5.6. These include support for sVirt (SELinux virtualization), which enables Mandatory Access Control (MAC) profiles to be applied to virtual guests, enhancing overall system security. Additionally, new I/O fencing capabilities enable Red Hat Enterprise Linux virtual guests configured with the High Availability (HA) Add-On to be supported when layered on a Red Hat Enterprise Virtualization infrastructure. This provides customers with greater flexibility when deploying highly available virtualized and cloud computing environments.
• Updated Domain Name Service (DNS) packages
With updated DNS packages, Red Hat Enterprise Linux 5.6 improves the cryptographic signatures that are valuable for high-security installations, such as in the government sector and environments where signed DNS domains are expanding in importance.
• Expanded PHP web application stack support
By incorporating the new PHP 5.3 release, Red Hat Enterprise Linux 5.6 provides customers with the ability to utilize the latest PHP technology prior to upgrading to Red Hat Enterprise Linux 6.
• New printing capabilities
Red Hat Enterprise Linux 5.6 provides support for new printing capabilities by supporting the OpenVector Printer driver and by including support for the latest models of printers from HP.
• Red Hat Enterprise Linux 6 backports
Red Hat Enterprise Linux 5.6 includes a number of features that bring some improvements introduced with the release of Red Hat Enterprise Linux 6 to 5.6. These include support for the Ext4 file system and incorporation of features, such as the System Security Services Daemon and gcc 4.4 compiler, that are compatible with the respective versions in Red Hat Enterprise Linux 6. Courtesy: http://www.redhat.com

MP3 Direct cut works good in Ubuntu 9.04

MP3 direct cut utility works good with wine under Ubuntu 9.04
Step 1: apt-get update
Step 2: apt-get install wine
Step 3: open the mp3direct exe file  via wine.

Then you will get the current screen shot. It works good.
Agility available with mp3.