Linux Community Magazine

One of the biggest complaints about Linux is that full screen Flash in a browser tends to have a choppy flickering effect that does not look very good. For some who want to experience things like Hulu full screen on their laptops or desktops do not like the fact that Linux and the Flash player are not working together very well.

There are actually a few reasons that this problem exists. The main reason is that the Flash plugin is a closed piece of software made by Adobe. What this means is that people developing software for Linux have to guess at what the Flash player wants since they can't see all the code. Typically with Linux software the code is open source. This means it is easier to make sure all the code works together since the code can be seen. Unless Adobe chooses to share, this will always be an issue.

There are a few alternatives that do exist. The first is to use the open source version of Flash. The problem with this is that it is not quite as developed yet. One day it will be if improved upon but it is not ready yet.

Another option is to download the flv and swf files and play them full screen with your media player. This will not work with streaming sites like Hulu but will for other types of flash files. In this mode there is no full screen flickering issues.

The last option is to wait for HTML5 standards which are going to gradually phase out Flash. This might not happen for a few years but it will eventually happen. Many are concerned that the browser is too dependent on this one plugin so its use is eventually going to be phased out over time. In HTML5 compatible browsers things like Youtube can be run without using the Flash plugin at all.

The recent trends in the IT industry indicate that the need of trained knowledge professionals is going to increase multifold in the coming years, in the booming IT & Ites sectors. The demand not only covers the overseas outsourcing market, but the local market as well, with the Indian Government's thrust on e-governance. One of the most sought after career in today's time is in the IT sector. There are a number of people who are very eager to join this industry because of its growth and demand in different countries across the globe and definitely because of the financial benefits it provides. It is something that is considered to be one of the most lucrative professions in today's times and this sector is one that has opened up numerous job opportunities for people and they are flocking towards the same in large numbers. This demand for this industry has given rise to numerous institutes that have come up to train people for jobs in the IT field. You can choose any insti tute that you deem fit and best for you. However, it is best to choose an institute with Red Hat Linux or Cisco Ccna certification as this has a lot of benefits.

Having trained from an institute with Red Hat and Cisco Ccna computer certification is highly beneficial as most people prefer students passing out from certified institutes to work with them in their workplace. This gives them an edge over others and one must definitely make good use of this. Certified institutes have a number of benefits and these are not available in institutes that aren't certified. Thus, going through different institutes and understanding which one has such a certification before choosing your institute will help you manifold.

Institutes that have Red Hat Linux and Cisco Ccna certification are highly beneficial because these institutes provide complete practical training to their students which they do not receive otherwise at institutes without this certification. This helps manifold as students can use the concepts they learn in actuality and see where they go wrong and rectify these errors in class itself. This training helps them to understand the finer insight of their job and they can face any challenge and hurdle in their workplace efficiently.

Institutes having Red Hat Linux and Cisco Ccna certification offer complete job placements to their students and this gives the students a much required stepping stone in the industry. They offer placements in the best of companies to their students and this is seen as highly lucrative by most.

Is your system virus infected and the virus has deleted your valuable files? Have you accidentally deleted your critical business files from Linux hard drive? If your answer is 'Yes' for any of the above questions, you have encountered a critical data loss situation that may severely affect your business as well as personal operations. In such cases, you need to perform Linux Data Recovery to get your mission-critical data back. Recovering deleted files from other operating systems is quite easy as compared to Linux, as a number of free or paid recovery software are available for them. But how to recover lost data from Linux system?

To recover deleted files from the Linux hard drive, Linux operating system provides two in-built utilities. These tools are actually based on the file system of Linux, which you are using on your hard drive. The Linux Recovery tools are:

Extundelete- It is a tool, which recovers deleted files from Ext4 or Ext3 file system volume of Linux operating system. Both these file systems are popular and widely used in Linux. These tool uses information stored in journal of Ex3 or Ext4 volumes to recover the file, which has been deleted from the volume. The utility recovers both the file names and contents of the file.

Ext3undel- It is a set of scripts for helping you to retrieve deleted files from Ext3 or Ext2 file system volumes. This utility attempts to automate various difficult manual recovery jobs to help retrieve lost files from specified disk. You can recover a particular file by its file name or can recover all the files that are marked as deleted.

E2undel- It is an interaction console utility, which recovers lost or deleted files from the Ext2 file system volume. It enables you to perform Data Recovery Linux for selected files by file name. It is quite simple to use.

Although, the above tools are helpful in recovering deleted files from Linux hard drive, they can neither handle severe disk corruption nor can guarantee recovery in all cases of data loss. In such cases, Linux Data Recovery software come to your rescue, and work in all cases of logical data loss. They are totally safe and easy to use.

Like other computer operating systems, Linux also indicates system problems in the form of error messages. The problems may occur at startup or while working on your system. In some error messages, the actual cause of the problem and possible solution is provided. However, some errors do not contain any suggestions. They just include some codes.

The error messages generally occur due to problems with system data structures, system files, and other resources, which make your system and data inaccessible. This behavior leads to significant data loss from your Linux hard drive and requires Data Recovery Linux to be sorted out.

In a practical scenario, you may come across the below error message while working on your Linux machine:

"Make Says, Error 139"

After the above error, Linux system does not work properly and shuts down. The problem occurs every time when you boot your system or perform a specific set of operations. This error renders your system inaccessible and causes serious data loss. In order to get your business-critical data recovered, identify the cause of this problem and perform Linux Data Recovery by resolving it.

Root of the problem

This error occurs when your compiler dumps the core. You have a damaged, old, or buggy version of the GCC (GNU Compiler Collection). The compiler corruption may occur due to numerous reasons, such as unexpected system shutdown, operating system malfunction, virus infection, file system corruption, and more.

You may also face this situations due to problems with the disk or memory corruption. The disk corruption is resulted when metadata structure of the hard drive become faulty. In such cases, operating system can not locate and access data from the hard drive.

Resolution

Go through any of the below steps to sort out this issue:

* Install latest release of Linux compiler or EGCS (Experimental/Enhanced GNU Compiler System).

* Check wait states, clock rate, and the refresh timing for SIMMS and cache. Use fsck command-line utility to scan the disk and fix errors.

* Use powerful and advanced third-party Linux Recovery software to recover lost, missing, deleted, and inaccessible data from Linux hard drive.

Linux Data Recovery tools employ high-end scanning techniques to methodically scan whole hard drive and extract all data from it. With simple user interface and read-only behavior, they perform easy and safe recovery in all cases of data loss.

Stellar Phoenix Linux Data Recovery software recovers lost data from Linux hard drive, USB drive, and network mapped drive. The software works well with all major distributions of Linux operating system, including Red Hat, SUSE, Debian, Ubuntu, and Mandriva. It supports recovery from Ext4, Ext3, Ext2, FAT32, FAT16, and FAT12 file system volumes.

Linux is a robust and amazing operating system, no matter what flavor of Linux you prefer. It's very stable and rarely crashes. Linxu is also very secure - it's hard for hackers and others with malicious intent to get at your data.

However, there are problems with Linux systems that can usually be avoided. Sometimes users will make security mistakes that leave their system vulnerable. In a work environment users can sometimes make poor choices that cause system-wide vulnerability. Here are some ways to avoid having your system compromised.

Choose a Good Password

Cracking your password is the easiest way for a hacker to gain access to your Linux system. Some Linux distributions enable root (the administrative user) by default, and others do not. Regardless, a hacker will often begin his probe by cracking the password of a regular user, then attempt to uncover the root password.

Tips for a good password include: never use the word "password" as your password! Don't use the name of your computer, or your own name. Don't use any celebrity names or the names of political figures. Think of other common things to avoid, such as birthdays, addresses, etc. Random passwords are important.

Another way to boost your security is to make your account name complex. Some people want to go to this length, others prefer to be able to use their user name for login. Whichever you choose, make sure your password is secure.

Close Ports

Linux installations come with much less "bloatware" than Windows systems. This means they don't have tons of extra, unescarry software that just clutters the computer. However, they do come with some software and services installed that you may not need. If these are not critical to your computer, you can turn these off to close open ports and thus reduce the number of possible security breech points on your OS.

Old Software

The beauty of Linux is that there is so much software available. This software - called a package, is usually free or "open-source." If you need a program to tutor your kids in math, you can probably find it.

However, old or outdated packages can be a security concern for your system. Most Linux distributions now come with a feature that checks for updates to your programs automatically. Make sure you pay attention to the notifications and update when it signals you should.

Update as soon as security releases and Linux header updates are made available. If you search your distributions repositories for programs it will often let you know if a package is an "official" release for your distribution. Though not all excellent programs will be listed, to be safe you may only want to use "official" packages.

Configure Your Programs Correctly

It's best to try and install new programs through your distribution's package manager. Next best is to install programs packaged for your distribution, such as.rpm's for Red Hat distributions or.debs for Debian-based distributions.

If a package seems to install incorrectly, completely remove it from your system. An incorrectly installed or configured program could become a security hazard. Follow all instructions when you configure your software.

If you must compile a package from the source, closely follow instructions. Be careful with anything and make sure you completely trust the source.

Old Accounts

If you have user accounts on your system and no longer have that person using the system, delete that account immediately.

These are a few tips to keep your Linux box as safe and secure as the Linux crowd brags it should be. Use common sense and don't assume you're immune to attack just because you're not using Windows. Take some time to make sure your system is secure.