activation
Ever wondered why so many clients are interested in a file called robots.txt which you don’t have, and never did have? These clients are called robots (also known as crawlers, spiders and other cute names) – special automated clients which wander around the web looking for interesting resources. Most robots are used to generate some [...]
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SIP SIP inspection NATs the SIP text-based messages, recalculates the content length for the SDP portion of the message, and recalculates the packet length and checksum. It dynamically opens media connections for ports specified in the SDP portion of the SIP message as address/ports on which the endpoint should listen. SIP inspection has a database [...]
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Before Configuration Manager can publish site data to Active Directory Domain Services, the Active Directory schema must be extended to create the necessary classes and attributes, the System Management container must be created, and the primary site server’s computer account must be granted full control of the System Management container and all of its child objects. Each site publishes its own site-specific information to the System Management container within its domain partition in the Active Directory schema.
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This document assumes working knowledge of the Windows Registry. It is possible to render your computer useless by incorrectly modifying the Registry. Caution is advised… Settings pertaining to Windows NT will say Win NT. All others refer to Win9x 1.   Remove unwanted items from Control Panel | Add/Remove programs 2.   Changing Icons for Desktop Items [...]
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Here’s some scenario wherein your network card seems to fail. At times, it shows you statistics of sending but not receiving packets, or it is physically connected but show you that the linkis not present at all. If you are sure that it is not driver or cable issues related, below are pointers of changing [...]
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As root 1. How to have a stop watch scenario from command line terminal? # time cat Press Ctrl+C 2. How to measure the time of executing any executable command? # time firefox wait 5 seconds and close the application 3. How to CD to a user’s home directory? # cd ~userhome 4. How to [...]
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1. How to you change file ownership and chown files recursively? # chown user:user folder -R 2. How to view queued mail in sendmail or postfix? # mailq 3. How to show which alternative binary program does your machine executes first? # alternatives –display program-name 4. How to create public/private rsa key pair? # ssh-keygen [...]
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Issue these commands to get more details of your hardware memory. # cat /proc/meminfo # free -l Here’s what I have: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ MemTotal: 1034748 kB MemFree: 105860 kB Buffers: 162688 kB Cached: 132020 kB SwapCached: 18908 kB Active: 709068 kB Inactive: 160420 kB HighTotal: 130848 kB HighFree: 260 kB LowTotal: 903900 kB LowFree: 105600 kB [...]
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The telnet command is used to communicate with another host using the TELNET protocol. If telnet is invoked without the host argument, it enters command mode, indicated by its prompt ( telnet>). In this mode, it accepts and executes the commands listed below. If it is invoked with arguments, it performs an open command with [...]
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RSync backups data and does it very clean and well. Rsync only transfers those data that have been modified and changed so that the destination host has an exact replica from the source host. Rysnc is a command line backup tool that handles data transfers in an effective and secure manner like any other known [...]
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HotSync Regularly Be sure to HotSync your PDA or handhelds regularly, as in all cases where you may be changing settings on your device or adding additional software. Because the purpose of security is to keep people out of your data (including you if you forget the password) one small mistake can leave a hard [...]
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The Trivial File Transfer Protocol (TFTP) is normally used only for booting diskless workstations. The tftp-server package provides the server for TFTP, which allows users to transfer files to and from a remote machine. TFTP provides very little security, and should not be enabled unless it is expressly needed. The TFTP server is run from [...]
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IPTraf is a console-based network statistics utility and IP LAN monitoring tool for Linux. IPTraf gathers a variety of figures such as TCP connection packet and byte counts, interface statistics and activity indicators, TCP/UDP traffic breakdowns, and LAN station packet and byte counts. IPTraff LAN Monitoring Tool IPTraf supports a wide variety of network statistics and [...]
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Looking for portmap rpm package in Fedora 8? How to recover and install portmap on Fedora 7 and Fedora 8? Have you lost or uninstalled your portmap package on Fedora 7/8? Does your NFS service handing due to deactivated portmap service? Are you experiencing weird start up problems with your NFS? What is Portmap? Portmap [...]
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Pay Attention and Read The biggest problem is that most people do not bother to read the fine print, which is where a lot of companies can get you. Taking the extra 30 seconds to read the fine print can save you hours and hundreds of dollars (which would be spent fixing the computer). First [...]
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