Computer-Teacher

Expert Author: Sheryll Cross
Maintaining a functional and effective IT system can be a real burden especially to small and medium sized businesses today. Surely, you’ve experienced having technical problems with your personal computer and also experienced the amount of hassle it brings to make your PC go back to working state again. Multiply the hassle when it comes to a network of PC’s, say for running a business. Can you imagine the amount of legwork involved just for maintaining it, and far more when you have to upgrade or troubleshoot problems? Network problems can significantly affect business functions; imagine not being able to obtain even basic information such as client name or address or telephone number. Likewise, installing newer OS versions or installing new hardware is downright tiring and consumes much of the productive time of your people and the whole business as well when you have to restrain computer use in order to upgrade your system. Plus you have to invest to put up an in-house IT department to ensure computer network security, computer support services are delivered in an instant and business internet security.

Now, imagine a network management services that can take care all of these hassles for you. Yep, it’s just fascinating how IT management service companies work nowadays through Remote Desktop Management. This new concept in network management service allows IT specialists around the world to maintain and troubleshoot your business computer network through the Internet. They can detect and solve the problem before it can slow down your business performance without the hassles and legwork. The most amazing part is that when your compare the cost, this Remote Desktop Management is cheaper than having your own IT department and can deploy solutions across the entire network in fraction of time.

The Remote Desktop Management tool is a fusion of the best network management tools available today honed with cutting edge technology to make network management and monitoring services as easy as ABC. It can cater all sizes of network with a complete LAN and WAN controls right at your fingertips. This network management tool continuously monitors server availability and warns managers if possible error can occur, this preventive approach reduces risk of encountering network troubles that can impede business productivity. This tool is also equipped with network inventory tool that audits software and hardware component of each PC connected to the network, this feature also facilitates upgrading of software in order to keep up with the demand of market.

Aside from the mentioned benefits, this high tech tool also exhibits high performance rating but low CPU load. It has an easy remote deploy, an unbreakable encrypted protocol to ensure safety and reliability of computer accessing. You can also request customized features like a built-in file manager, built-in messaging and chat to facilitate conversations between network administrator and remote administrator, remote task manager, full screen mode and multiple client connections so IT staff can jointly manage and repair computer problems, more heads are better than one.

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Author: Ayush Nigam
Under the Network/Internet menu, you will find scripts toautomate the configuration of many different kinds of net-work connections. By default, Knoppix will attempt to detect any Ethernet or wireless cards on the system and will obtain an IP address via DHCP. If your hardware isn’t supported, or your network requires some extra configuration, the tools described here will help automate the process:

/dev/modem Connection Setup

If you use a modem to connect to the Internet, use this script to configure what hardware the /dev/modem device points to. You can choose from a number of different modem devices, including serial, USB, IrDA, Bluetooth, and even a winmodem, if Knoppix supports it.

ADSL/PPPOE Configuration

If you have a DSL connection that requires you to connect each time with a login and password, chances are that you have a PPPoE (Point-to-Point Protocol over Ethernet) connection. This script checks whether your network uses PPPoE, and if so, prompts you for the user-name and password to connect to the network.

GPRS Connection

This script automates the process of connecting to a GPRS Internet connection over a cell phone. If you have not yet run the /dev/modem Connection Setup script, it will launch, so that you can choose how you will connect to the cell phone. Then you will be able to choose
your GPRS provider and connect to the network.

ISDN Connection

Fairly self-explanatory; this script automates the process of configuring an ISDN connection under Knoppix.

Modem Dialer

Once you configure your modem with the /dev/modem Connection Setup script, run this script to actually dial and connect to your ISP.

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Author: arun

Windows XP Backup provides five backup types that define what data is backed up, such as only files that have changed since the last backup.
Some backup types use backup markers, also known as archive attributes, which mark a file as having changed. When a file changes, an attribute is set on the file that indicates that the file has changed since the last backup. When you back up the file, this clears or resets the attribute.

Normal

During a normal backup, all selected files and folders are backed up. A normal backup does not rely on markers to determine which files to back up. During a normal backup any existing marks are cleared and each file is marked as having been backed up. Normal backups speed up the restore process because the backup files are the most current and you do not need to restore multiple backup jobs.

Copy

During a copy back?up, all selected files and folders are backed up. It neither looks for nor clears markers. If you do not want to clear markers and affect other backup types, use copy. For example, use a copy backup between a normal and an incremental backup to create an archival snapshot of network data.

Differential

During a differential backup, only selected files and folders that have a marker are backed up. It does not clear markers. Because a differential backup does not clear markers, if you did two differential backups in a row on a file and nothing changed in the file, the entire file would be backed up each time.

Incremental

During an incremental backup, only selected files and folders that have a marker are backed up. It clears markers. Because an incremental backup clears markers, if you did two incremental backups in a row on a File and nothing changed in the file, the file would not be backed up the second time.

Daily

During a daily backup, all selected files and folders that have changed during the day are backed up. It neither looks for nor clears markers. If you want to back up all files and folders that change during the day, use a daily backup.

Combining Backup Types

An effective backup strategy is likely to combine different backup types. Some backup types require more time to back up data but less time to restore data. Conversely, other backup types require less time to back up data but more time, to restore data. If you combine backup types, markers are critical. Incremental and differential back?up types check for and rely on the markers. The following are some examples of combining different backup types:

Normal and differential backups. On Monday a normal backup is performed and on Tuesday through Friday differential backups are performed, Differential backups do not clear markers, which means that each backup includes all changes since Monday. If data becomes corrupt on Friday, you only need to restore the normal backup from Monday and the differential backup from Thursday This strategy takes more time to back up but less time to restore.

Normal and incremental backups. On Monday a normal backup is performed and on Tuesday through Friday incremental backups are performed. Incremental backups clear markers, which means that each back?up includes only the files that changed since the previous backup. If data becomes corrupt on Friday, you need to restore the normal back?up from Monday and all incremental backups, from Tuesday through Friday. This strategy takes less time to back up but more time to restore.

Normal, differential, and copy backups. This strategy is the same as the first example that used normal and incremental backups except that on Wednesday you perform a copy backup. Copy backups include all selected files and do not clear markers or interrupt the usual backup schedule. Therefore, each differential backup includes all changes since Monday. The copy backup type done on Wednesday is not part of the Friday restore. Copy backups are helpful when you need to create a snapshot of your data.

For more information on this topic, please go to www.wintechhelp.com

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