Linux Community Magazine

The following error message in Linux operating system may annoy you when you run the fsck command with the sudden fear of losing the precious data:"The filesystem size (according to the superblock) is xxxThe physical size of the device is xxxEither the superblock or the partition table is likely to be corrupt!"The superblock is the important data structure of Linux file systems which describes the size of the inode-table and the size of the total file system. This also contains the information like File system type, size, status, information about the metadata structures. Thus this shows that the loss of either information may create serious problems of data loss in Linux.The problem could be if some files have been attempted to write upon the portion of the disk where the superblock is stored and the filesystem wouldn't allow it to write. The solution of the problem runs in three steps:1. Unmount all the partitions using the 'unmount-a' command in single user mode2. Repai r the partitions 3. Resize the partitionsResizing the partitions without repairing them may complicate the problem with the following error message:"attempt to read block from filesystem resulted in short read while trying to resize"So this is advised to repair the partitions first using e2fsck -cc /dev/md3 command. The process is safe if you have the backup copy of the data and if you don't have, you certainly require tool for Linux recovery.Resizing the partitions would delete all your data, thus the perfect scanning procedure to scan the hard drive and hence Linux data recovery software is required. These are the tools are built with the indigenous technology to run the powerful algorithms.Developed by different data recovery companies, these software allow the users to work through the interactive interface. These data recovery Linux software address all data loss problems Stellar Phoenix Linux Data Recovery software is the superbly built Linux recovery tool for Ext2, E xt3 and Reiser FS file systems. This software uses the extensive scanning algorithms oriented to complete data recovery Linux. The software supports all the Linux flavors for Linux data recovery.You can apply this utility after any instance of data loss. This software offers you the graphically rich user interface which can be checked through its demo version, available on Stellar's website.

The landscape of Operating System is a battle zone with so many opponents in the scenario. The users have so many choices to select from Windows Vista, Leopard and various distributions of Linux.

It is been approximately two years since Vista is out in market but it still do not enjoy the market share what XP used to. Installing it and working with it puts an extra pressure on your pocket. But with so many cheap (almost free) distributions of Linux you can better choose it against Vista. The article will list various reasons:

Updates at Single Click: To make the latest security patches and fix the flaws one has to look multiple places for software and hardware update. To update the Windows operating system, Microsoft update is a good solution. But it is not a complete package. To update Adobe suite, user have to visit Adobe web site. Also to update the drivers, one has to visit hardware vendors. Contrast to this, update process of Linux is simple. The update package includes everything -the operating system, applications, support libraries, hardware drivers. All new versions are looked for and updated at one go.

Also the Linux update process is more efficient than Microsoft update.

Sit Back and Enjoy PC: With Windows your PC can not look after itself. You have to always worry about its efficiency and take those extra pains to make it run efficiently and more smoothly. But Linux is really a boon at this worth cribbing stage. With Linux you do not have to worry for defragmentation of your PC. In crux, you can lay back and enjoy the smooth computing experience of your machine with Linux.

Windows try to locate files nearer to hard drive, which create gaps when users edit those files. When new files are created they fit themselves into those vacant gaps thus get fragmented. As this process goes on the performance of the PC degrades, thus making user to feel the need of defragmenting the PC. Contrary to this, Linux is designed for multi tasking thus addressing this problem at very initial stage.

Cost free PC: Using proprietary software means paying a hell lot of amount. If using pirated copies you are breaking law. But originals are so costly that one would love to cheat rather than paying for the efforts of developers. If you are using Linux, then you do not have to worry about any such issues. You can use a full PC with no costs. With paid software you can not install it without paying for the additional machine but while using Linux this is not the case. You can create as many copies of the operating system and install it on any number of machine without thinking even twice or complaining for any cost issue. Even products like Open Office (rival to MS-Office), image editing programs like the GIMP are available for free. The free programs are by no means a compromise to quality.

No anti virus required: Linux is the safest operating system. No doubt Windows marketed Vista as the most secure operating system but it has many loopholes. Linux is the operating system that allows your PC not to cripple and worry for any anti virus. The reason behind Windows getting frequently affected by virus is the feature that allows users to log in through administrative privileges. Where as in Linux, every user works under a regular user account thus not allowing rogue programs to cause damage.

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There are many heated debates and arguments in the world of computers and technology these days. Some of these debates have been around since the computers first became popular amongst average, everyday people. Issues like choosing a Mac or a PC, or choosing an Apple operating system or a Windows operating system have been highly debated for years and there have even been a recent line of commercials that brings this argument right into your own living room. However, one of the newest arguments involves a relatively little-know, but highly powerful operating system known as Linux. And the exact question is what one is better Linux or Windows?

Well, the answer is not a simple and quick one, by any means. There are many things that you need to take into consideration when trying to make the decision between running Linux on your PC or running Windows and this article attempts to help educate you on the topic, so that you can make a better decision for yourself regarding Linux vs. Windows.

The first thing to consider is your PC gaming life. If you are always playing the hottest new game, you probably want to stick with Windows. Because it is by far the most popular computer operating system available today, more games and applications are developed for Windows than any other platform. And while you may be able to run most Windows-based games on a computer that is running Linux, its not a guarantee that every single game in your collection will work. That is why if you are a computer gamer by any means, you will definitely want to pick Windows over Linux.

However, being the most popular operating system has a down side too, as Windows users are well aware of. Because more people use Windows on their home computer than any other operating system, malicious computer users and computer hackers target Windows-based computers far more than any other computer. There are thousands upon thousands of different viruses that may affect your Windows machine with Linux, however, this simply is not the case. Computer hackers are not going to spend the amount of time that it takes to try and develop a virus for Linux, when it is so easy to make one for Windows. So if security is your main concern for your home computer, without a doubt Linux is the way to go.

Because Linux is an open source operating system however, it has gained quite a bit of popularity lately. What this means is that all of the ordinary users of Linux are free to play around with the operating system and develop their own programs and applications. And as this becomes more and more commonplace, you never quite know what Linux might come out with next. Indeed, it might be even better than anything Windows has to offer. And if you are already running a Linux operating system on your home computer, you will be a step ahead of most users who are still using Microsoft Windows on their machines. Ultimately, the choice is yours though each system does have its advantages and disadvantages.

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With Bug 53102 in your Linux system, you may find a number of problems got attached to your system:The system wont unmountSystem freezes sometimesFrequent Partition corruptionDisk is remounted as read-onlyThese problems generally occur with Ext3 file system. Moreover, the users also report to lose their data and later find it in /lost+found folder. Running fsck may also be of no avail and the problem may remain with the original effect.Linux partitions are created to have better control over the data and their corruption as such may not be accepted. The primary reason behind the scene can be file system corruption which is the indicative that whole of your systems data will get lost. Well, as a cure have a fresh copy of the file system and prevent the further issues. File system bugs always prove as a threat to the users most important assets- data and create a Linux recovery need for them. The main reason is the fact that file system retains the pointers which tell where the data is located on the drive so that it can be accessed. Now, as we reinstall the file system, those entries also get wiped off. Thus the new file system copy is nothing more than the dumb file structure for the existing data. Now, to recover all those which have got rendered in the hives of hard drive, proper data recovery Linux mechanism is required. Suitable scanning mechanism and safe interaction with the file system will yield you what you want. Data recovery Linux software has been designed, considering this fact only. These follow the Linux recovery mechanism with great skill, lost data identification power and appropriate coding concepts. Moreover, these have an interactive look to offer so that Linux data recovery job can be performed well, with not such technical skills.Stellar Phoenix Linux Recovery software is a great invent in data recovery Linux field. The power of scanning, read-only conduct, graphically rich interface and great Linux recovery controls m ake this program the first choice of users.This Linux data recovery application identifies each type of file and is also suitable for recovering data from corrupted partitions. You can use the program with Ext2, Ext3 and Reiser FS file systems.

Dirty shutdowns, minor file system inconsistencies and more, these are the common problems with Linux operating system. So at each boot, the criterion of fsck is meant for preventing the data loss problems with Linux. But contrarily, serious data loss issues have been seen, when the user loses power when fsck is on its way of routine checkup.In some of the reports, when the user restarts the system, the partitions have been found to be inaccessible. This is the critical situation of data loss as whole of the data appear to come to an end. For the further investigation of the problem, when the user runs fdisk on the partition, similar warning may be seen:Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)Command (m for help): pDisk /dev/hdb: 203.9 GB, 203928109056 bytes255 heads, 63 sectors/track, 24792 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesDevice Boot Start End Blocks Id SystemCommand (m for help):This warning hints you of the creepy act with the partition table of hard drive; as a result all the partitions have become inaccessible. Partition table is the 16-byte information, describing all the information about the hard disk partitions. Its loss or damage means that the operating system cant locate and hence cant access those partitions, thus Linux data recovery demands some other means.The inaccessibility issues due to which the partitions are unable to yield data can be resolved using Linux recovery software. These utilities make scan of the hard drive to make the partitions and hence data accessible. Data recovery Linux is made possible in a non-destructive way i.e. without altering the contents. Moreover, the interactive interface adds to its qualities, making the process easier.Stellar Phoenix Linux Data Recovery is the splendid product, designed to recover lost information from Linux. This Linux data recoery product is found to be compatible with Ext2, Ext3 and Reiser FS file systems. Havi ng read-only nature and hence safe to the data, the application is known for its good quality Linux recovery results. Linux data recovery is not a big deal for Phoenix Linux recovery in any of the data loss case. Moreover, the software offers you an absolute partition recovery with the powerful scanning algorithms.