Four Important Commands For Your CCNA / CCNP Home Lab by Chris Bryant
More CCNA and CCNP candidates than ever before are putting together their own home practice labs. It's more affordable than it ever has been, and I receive emails daily from new CCNAs and CCNPs who say it's the best thing they could have done to improve their studies. ... If you have an access server, I highly recommend you configure this command on your lines, as shown here: ACCESS_SERVER(con)#line 1 8 ACCESS_SERVER(con)#no exec From your CCNA studies, you know that the command "no ip domain-lookup" prevents a Cisco router from sending a broadcast to find a DNS server anytime you enter...

Cisco CCNA / CCNP Exam Tutorial: Five Debugs You Must Know by Chris Bryant
To pass the BSCI exam and move one step closer to CCNP certification success, you've got to know how and when to use debug commands to troubleshoot and verify network operations. While you should never practice debug commands on a production network, it's important to get some hands-on... The reason the adjacency isn't forming is usually seen quickly with this command's output. ... With IGRP, you need to use the "debug ip igrp transactions" command to get these vital metrics. ... You know how to use the variance command to configure unequal-cost load-sharing with IGRP, but IGRP has no...

Power of the Unix 'for' Loop by Praveen Puri
If you are a programmer or engineer working in a unix or linux environment, you will probably find the shell 'for' loop to be a handy tool for automating command line tasks. Here are three examples of the 'for' loop. All the commands are in italics and should be entered on the command line,... If the file is readable, print the first line, otherwise print an error message: for i in `cat file_list.txt` do if test -r $i then echo "Here is the first line of file: $i" sed 1q $i else echo "file $i cannot be open for reading." fi done Here, we loop...

Linux-Speed Up Your Ide Hard Drive by Nick Krotov
Linux systems usually use conservative default IDE driver settings that could be significantly slowing down your system. By default they are set to most safe settings guaranteed to work. However you may reconfigure them to increase the read speed of your hard drive. ... Lets turn DMA mode on, this will speed up timing buffered read by a factor of two #/sbin/hdparm -d1 /dev/hda #/sbin/hdparm -c3 /dev/hda (I/O support set to 3 - turn on 32bit transfers on your first HD by typing ) #/sbin/hdparm -m16 /dev/hda (choose data transfer parameters 16 as MaxMultSect=16) #/sbin/hdparm -a16...

Linux Training - Linux Installation Help - How To Install the Linux OS from a New Linux Download by Clyde Boom
You can install Linux from CD or DVD onto a new computer system. This will allow you to learn how to use Linux to get real, practical Linux training and experience. In this article, we're talking about a new system that doesn't already have an operating system (like Windows) on it. ... For example, you work as the root user to run a Linux command to create a new Linux user, or to do the steps to install a Linux server. ... Then run the su command to log in and work as the root user. ... You can also work at the Linux command line and learn how to use Linux commands - the way the real pros...

Zip It Up by Robert Hanania
Anyone who has seen the movie’ Honey I shrunk the kids' can imagine how useful compression can be. Compression, which has become anonymous with Zip files work off the same idea only with a (add your joke here)'slightly' different technology. You will find a lot of data compression programs in... There are four basic commands in syntax (the shape of a command line); * Command: The task to be preformed like add, delete or update. ... the update & add commands can create and compress files and the Freshen command can create a new archive.

Data Compression For All by Robert Hanania
Anyone who has seen the movie’ Honey I shrunk the kids' can imagine how useful compression can be. Compression, which has become anonymous with Zip files work off the same idea only with a (add your joke here)'slightly' different technology. You will find a lot of data compression programs in... There are four basic commands in syntax (the shape of a command line); *Command: The task to be preformed like add, delete or update. ... the update & add commands can create and compress files and the Freshen command can create a new archive.

Cisco CCNA Certification Exam Tutorial: The Config Register And Password Recovery by Chris Bryant
Whether you're preparing for the CCNA certification exam or not, you must be prepared for the following question: "Hey, I reloaded this router and it wants an enable password. Do you know it?" Because if you don't, and there's no one available who does, you need to perform a password recovery... The config register needs to be set back to its default of 0x2102, and you do so with the global command "config-register 0x2102". ... You want to enter the command "configure memory" or "copy start run" at this point - don't enter "write memory" or "copy run start".

History of the Computer: Handshaking, Part 1 of 2 by Tony Stockill
There is still information to be transferred to the I/O unit from the printer, for example a request for the next line of print, or an error message. So we use an OUTPUT cable and an INPUT cable. Apart from this, the printer is an Output Device. (We are talking here about the System Line... The registers will also identify the command as a print command, as opposed to disk or tape command, for instance. ... The OS then notifies the I/O unit that it has some work to do, another form of handshaking, and the program carries on with its own business.

Speed up Internet Explorer 6 by Mike Manchuk
Internet Explorer 6 has been around for a while and its been a good browser. Since new alternatives like Firefox and Opera have come out we now know that, yes there is faster browsing out there. Internet Explorer can be as fast after trying out a few tips in this article. ... To set these at their defaults go to Internet Explorer. ... In the security tab set all of the zones to default. ... Windows by default will automatically set your temporary internet files to a certain percentage of your hard drive.