Reset administrator password in mac

First of all create a new user by following these steps Shutdown the mac press and hold command + S Key and switch on the mac type following commands mount -uw / rm /var/db/.AppleSetupDone shutdown -h now After rebooting create new admin account login with new admin account Go to preference and reset previous admin […]

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Most essential tools for IT Technician

If you are IT Technician or planning to build your career in IT. You should have at least following tools. Screw Driver set (for both desktop and laptop) USB flash drive (keep with utility software tool) Make a CD of utility software. (sometime virus infected computer doesn’t recognize USB) USB CD ROM Universal Laptop Adapter Power Supply […]

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Active Directory Group: universal, global and domain local groups

Universal Group: can contain users and groups (global and universal) from any domain in the forest. Universal groups do not care about trust. Universal groups can be a member of domain local groups or other universal groups but NOT global groups. It is available to any domain in the forest. Global Group: can contain users, computers and […]

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System Restore Disabled by Group Policy.

If the system restore policy is disabled by Group Policy appears in system Restore Option. Here is the method to enable it.

For Windows XP Home Edition:
Click Start, Run and type regedit.exe and press Enter

Navigate to the following key:

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Error # ED09C7

This is the error commonly occurs in Konica Minolta BizHub 350 while configuring Network Scanning in 2003 Server.

To solve the Problem:

1. Go to Start -> Run
2. Type gpedit.msc
3. In Local Computer Policy, go to Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options

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Commonly Used TCP & UDP Ports

Here are lists of common ports in use on the internet: Port Number     TCP or UDP               Name Description 20/21              TCP            FTP File Transfer 23                   TCP            telnet Console access to remopte computer 25                   TCP            SMTP Send e-mail 80                   TCP            WWW Web browsing 110                 TCP             POP Receive or check for e-mail 119                 TCP             […]

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List of TCP and UDP port numbers

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) are transport layer protocols used for communication between computers. The Internet Assigned Numbers Authority (IANA) is responsible for assigning port numbers for specific uses. The boxes below indicate a status with the following colors and tags: Official if the application and port combination is in the IANA […]

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