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08th August 2009
mksf.ext3 is a Linux command that allows you to create a Linux file system (ext3), generally in a hard disk partition. When executing the command, you need to specify the device name the file system should reside on. The command creates the file system wi... Read >
Author: brad jerry01st August 2009
Linux file system is described by a special metadata structure, called Superblock. It defines different attributes, such as size of inode table, file system type, total size of file system, mount status, list of free data blocks and others. Linux maintain... Read >
Author: brad jerry29th July 2009
Ext3 (or extended file system) is used as the default file system for many of the Linux distributions. Since it is a journaled file system, it removes the need of running file system check after you encounter unexpected system shutdown. It also supports o... Read >
Author: jonny defh23rd July 2009
The entry of a virus, malfunctioning software or a plagued operating system may cost you some important files. Below is a narrowed down list of some helpful online data recovery tools, which you can use to retrieve your important files.
TestDisk
Te... Read >
Author: srini16th July 2009
Linux is considered to be a relatively reliable operating system. But if crashes unexpectedly due to power outage or kernel bug, it can catch odds of getting corrupted. The next time when you restart your Linux-based system, fsck runs and automatically ch... Read >
Author: brad jerry06th July 2009
Linux Root directory is the initial point, from where the system starts looking for the files stored on the hard disk. Each file and folder that you store on your Linux-based system is marked under this root directory. It is denoted by ‘/’. The Linux ... Read >
Author: jonny defh04th July 2009
Partitioning a Linux based hard drive means dividing it into many logical drives, each of which is considered as an independent disk. Linux supports different disk partitioning software such as cfdisk (curses based version of fdisk), parted (GNU partition... Read >
Author: brad jerry02nd July 2009
The final step of Linux boot process is init process, which starts a system process defined in /etc/ initab file. init config file then directs the init process and the shell script /etc/rc.d/rc.sysinit runs. Linux distros put some startup scripts in rc s... Read >
Author: jonny defh19th June 2009
When you start your Linux computer, you might encounter the following error message during the boot process:"No root file system defined. Please correct this from the partitioning menu"Though it suggests you to correct this from partition menu, but you do... Read >
Author: brad jerry19th June 2009
Data Recovery means recovering deleted, lost and inaccessible data from any storage media –, Floppy, Pen Drive. Data Recovery includes a number of things – photos which you have captured, E – mails which you have sent, project reports or assignment... Read >
Author: elfinruler18th June 2009
When you start a Linux system, BIOS first select the boot device and load the boot sector. Further, it looks to load the kernel image, after which the setup code runs to execute the Kernel. If your system is prompting that it can’t find the kernel image... Read >
Author: jonny defh18th June 2009
CRC (Cyclic Redundancy Check) is the standard check process that different files use to detect corruption inconsistencies, if any. Using this check, Linux systems ensure that kernel image hasn’t changed after it was built. If system finds any mismatch b... Read >
Author: brad jerry15th June 2009
GRUB (GRand Unified Bootloader) is the standard boot loader used in Linux systems. When you turn on a Linux based computer, the system uses MBR (Master Boot Record) to load initial bootstrap program. This MBR contains GRUB stage 1, which further loads GRU... Read >
Author: brad jerry14th June 2009
When you boot your Linux system, GRUB (GRand Unified Bootloader) proceeds in few stages. Your system boots successfully if all these phases complete without any errors. But sometimes, you observe that Linux system halts and an error message is printed at ... Read >
Author: brad jerry12th June 2009
When you start your Linux system, during the boot process, you may receive errors related to file system corruption and the system may get stuck. You may encounter the following error messages:“Activating swap partitions: dup2: Bad file descriptor [FAIL... Read >
Author: brad jerry11th June 2009
Linux primarily supports Ext2, Ext3, and ReiserFS file systems. All the files are organized in directories, which are further arranged in a tree-structure format. The root directory (which is represented by ‘/’) serve as the trunk of this tree, from w... Read >
Author: brad jerry10th June 2009
GRUB (GRand Unified Bootloader) is the standard boot loader used by Linux systems that allows you to implement multibooting. Also known as GNU GRUB, it loads boot images and recognizes file systems. You can also view or alter partition settings, re-map th... Read >
Author: brad jerry07th June 2009
LILO or LInux LOader is the standard boot loader used for Linux systems. Irrespective of the file system type, it can be placed in boot sector of partition or MBR. When you start the system and LILO loads, it performs a series of steps and displays the wo... Read >
Author: Robin Watson20th May 2009
In Linux and UNIX operating systems, daemon is the computer program that runs in the background other than direct control of a user. You can use these daemons to configure your hardware (like devfsd) and perform tasks like scheduled run of cron in your Li... Read >
Author: jonny defh14th May 2009
In Linux operating system, the superblock stores important information about the files, folders, inode tables, block group size, disk block map and file system. Corruption in superblock primarily occurs due to file system damage, metadata structure malfun... Read >
Author: brad jerry14th May 2009
The EXT3 file system in Linux is divided into various block groups. Each block group further contains a data structure called “group descriptors” that contains critical information about the block. Corruption in group descriptors primarily occurs due ... Read >
Author: Simpson13th May 2009
The booting process of the Linux operating system can halt due to various software (file system damage, metadata structure corruption, virus infection, improper system shutdown etc.) and hardware (bad connection, inappropriate electrical connections etc.)... Read >
Author: jonny defh04th May 2009
Superblock is the most significant component of a Linux volume that restrains critical information about files and folders in file systems as ext2, ext3 and more. It enables us to mount and access the file systems. Superblock corruption primarily occurs d... Read >
Author: jonny defh01st May 2009
Superblock is the most significant component of a Linux volume that restrains critical information about files and folders in file systems as ext2, ext3 and more. It enables us to mount and access the file systems. Superblock corruption primarily occurs d... Read >
Author: brad jerry29th April 2009
A Linux Kernel program acts as a nucleus of a computer operating system. This central component is the first part of the operating system that gets loaded into the memory during the booting process. Furthermore, the services offered by this program are re... Read >
Author: brad jerry24th April 2009
Multi-booting or dual-booting of two different operating systems in a single computer system allows the user to boot the computer from either of the operating system. Furthermore, dual-boot or multi-boot enables the user (mainly the testers and programmer... Read >
Author: brad jerry23rd April 2009
Partitions created in the hard drive enable you to install different operating systems. A partition table is positioned at the first sector (cylinder 0, head 0 and sector 1, Master Boot Record) of every hard drive. This table contains the information abou... Read >
Author: brad jerry21st April 2009
Boot loaders such as GRUB (Grand Unified Bootloader), LILO (Linux Loader) etc. enable you to select to boot a particular operating system in multiboot or dual boot systems. After selecting the operating system (for example Linux), the booting process init... Read >
Author: Robin Watson21st April 2009
A boot Loader is a small and vital program that allows you to load the operating system in the computer’s memory. Most commonly used Linux boot loaders are Linux Loader (LILO), Grand Unified Bootloader (GRUB), and Tiny PIC. You can install and replace a... Read >
Author: jonny defh11th April 2009
The Linux computers are similar to other operating system based computers like UNIX and Windows in case of hardware configuration. There is a similar hardware problem in all these Linux based systems. When it comes to the physical system crash, the reason... Read >
Author: brad jerry02nd April 2009
ReiserFS file system is used with Linux operating system. The file system has gained great popularity among users for various advanced features, however the most important being file system journaling. Due to journaled metadata information, it is possible... Read >
Author: brad jerry27th March 2009
Ext3 is a journaled file system used for many Linux distributions. Journaling feature helps keeping the system afar most of Linux Recovery needs that can occur due to unexpected system shutdown, file system errors, application (like virus) issues etc. But... Read >
Author: jonny defh25th March 2009
Ext2, ext3 and ReiserFS file systems are the three most popular Linux file systems. While ext3 and ReiserFS are journaling file systems, ext2 doesn’t support it. Thus for ext2, there is no automatic provision that it may rebuild after power failure. Tha... Read >
Author: brad jerry20th March 2009
Ext2 and ext3 file systems space is divided into blocks, which are further organized into what we call as block groups. For each group block, there is a data structure that defines it and contains valuable information, called group block descriptor. This ... Read >
Author: jonny defh17th March 2009
ReiserFS is an advanced and journaled file system used in Linux. When ReiserFS was first introduced, it offered major capabilities that were not available in existing Linux file system and its later developments enhanced its popularity. Where features lik... Read >
Author: jonny defh12th March 2009
Linux file systems follow directory hierarchy system. The topmost directory is known as the root and the other subdirectories constitute to make directory hierarchy. The directory structure is unified and is same for all devices and partitions. Each subdi... Read >
Author: brad jerry06th March 2009
Though Linux is among the safest and the most reliable computer operating systems that are available today and it is designed to provide high stability, but data might also get lost from Linux systems. Data loss is an unforeseen situation that may cause d... Read >
Author: jonny defh03rd March 2009
When you attempt to access any file, directory or volume from a Linux hard drive, you might receive any of the following error messages:“Inode entry of the file is deleted”“File not found”“File is inaccessible”These error messages take place ... Read >
Author: brad jerry09th January 2009
Every new file version of any operating system comes with a number of added features and functions. The same thing is with Linux flavors also. All the users like to take benefit of these advanced and new features and upgrade to the later versions. One suc... Read >
Author: jonny defh04th December 2008
Kernel panic in Linux operating systems is the condition where system detects an error, out its scope. When the unrecoverable state is detected by Linux, the kernel code can possibly call the panic function of sys/system.h and in turn may yield you error ... Read >
Author: brad jerry20th November 2008
Operating system commands are targeted to ease the user with respect to some tasks. But due to the incomplete knowledge and sometimes due to little reckless conduct of user, harsh data loss like problems may arise. Linux also offer a set of such commands.... Read >
Author: Simpson23rd October 2008
When you start any application on your Linux system, you may come across with the following error message:“Program name: error in loading shared libraries: lib xxx...so. X: cannot open shared object file: No such file or directory.”After this error me... Read >
Author: spears26th September 2008
A dual boot or multi boot is a system in which two operating systems are installed on a single hard drive, letting you boot from either of the operating system. The boot loader is a program which allows you to have dual booting. General combination of ope... Read >
Author: Vishal Dwivedi17th September 2008
I use dual booting between Linux and Windows on my system. Few days back, I realized that I need to change my Linux distribution due to some performance problems and hence I opted for Fedora Core 5.Without feeling the need of knowing the details of safe i... Read >
Author: brad jerry10th September 2008
Linux commands are for the sake of some specific purposes, but the incorrect use due to lack of knowledge or carelessness can make the things vulnerable and hence the harsh conditions of data loss. The tune2fs is the system administration command which is... Read >
Author: jonny defh09th September 2008
Master Boot Record or MBR is the store of all the information, required by the operating for the execution of the booting process. This information is located at the first sector of the hard drive. The end of the MBR sector reveals the knowledge about the... Read >
Author: brad jerry28th August 2008
Losing data is the weird situation to handle by any of the user, using any of the operating system. Knowing the fact even, some of the users ignore the fact of backup considering the process as the real chore. But realize later when the data recovery need... Read >
Author: jonny defh13th August 2008
Disaster can occur to anyone is really throbbing whether they are normal user or some intellectual person of any company. Here disaster means losing the confidential data by any kind of malfunctioning such as human error, system error, virus attack, unaut... Read >
Author: JuliaJolie13th August 2008
Surely you have been gone through most of the operating system but among them Linux is the best one because of its unbeatable security features. Linux is the GUI version of UNIX operating system. And as everyone know UNIX is best for security reasons. Wor... Read >
Author: JuliaJolie13th August 2008
Linux users always have been in dilemma that can the lost or missing data be recover from the operating system like Linux. Most of the users meet various problems as data is being deleted, formatted, infected by viruses, the partitions are deleted along ... Read >
Author: JuliaJolie12th August 2008
You may encounter with this problem that file is being corrupted due mishandling, corruption of root directory or what ever the reason is. You are unable to access those files in future. Now the problem area begins here. But if you are still thinking you ... Read >
Author: JuliaJolie29th July 2008
You must have suffered from the data lost from your system while the Operating System is Linux. It is very tough to handle the data loss situation and here we need software which can able to recover those files and folder as it had been. Do not bother bec... Read >
Author: JuliaJolie06th May 2008
Sometimes when you boot your Linux based computer, you may find that your system stucks in the boot window or it aborts the boot process. In these cases, you need to restart and the system but the same situation occurs again and again. CauseThis problem g... Read >
Author: Jerry Tim
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