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Linux for Children – Stepcase Lifehack

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via Linux for Children – Stepcase Lifehack.

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Posted by admin    Date: Friday, January 29, 2010

Categories: Linux, Uncategorized

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20 Linux System Monitoring Tools Every SysAdmin Should Know

Posted By Vivek Gite On June 27, 2009 @ 2:26 am In CentOS, Debian Linux, FreeBSD, Linux, Linux Scalability, Monitoring, Networking, RedHat/Fedora Linux, Security, Storage, Sys admin, Troubleshooting, Tuning, UNIX, fedora linux | Original

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Need to monitor Linux server performance? Try these built-in command and a few add-on tools. Most Linux distributions are equipped with tons of monitoring. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem. The commands discussed below are some of the most basic commands when it comes to system analysis and debugging server issues such as:
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Posted by admin    Date: Tuesday, June 30, 2009

Categories: Linux

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Linux Distribution Review

Distributions or flavors we run here at “Home”

Servers:

  • Web: AMD X2 64 with CentOS 5x Cluster with Virtalmin.
  • Email: Dell 8100 P4, Fedora 7 / Zimbra.
  • NAS/SAN: Compaq P3-700, Openfiler.
  • FW: Compaq P3-400, Soothwall.
  • Wireless: Linksys, OpenWRT. Read more…

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Posted by admin    Date: Tuesday, June 2, 2009

Categories: Linux

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Cat Joke

Problem:
mount //puppy/1 /gizzy/puppy

Solution:
umount //gizzy/puppy

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Posted by admin    Date: Tuesday, April 7, 2009

Categories: Linux

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Wordpress Training and Information Links

Below are just a few of the resources, outside of Wordpress.org, that I use to maintain my 20+ Wordpress web sites.

Simple widgets. Widgets 101.

http://wpbits.wordpress.com/2007/06/16/simple-widgets-widgets-101/

Wordpress Plugin/ Template list

http://mashable.com/2007/08/16/wordpress-god300-tools-for-running-your-wordpress-blog/

Top 10 Tricks to Master Your WordPress Blog Empire!

http://top10tricks.com/report/wordpress-setup/

How to Easily Manage Multiple WordPress Sites With One Database and One Code Base

http://sitening.com/blog/how-to-easily-manage-multiple-wordpress-sites-with-one-database-and-one-code-base/

WordPress MU, or multi-user, is designed to do exactly that. It is most famously used for WordPress.com where it serves tens of millions of hits on hundreds of thousands of blogs each day.

http://mu.wordpress.org

30 Excellent WordPress Video Tutorials

http://sixrevisions.com/wordpress/30-excellent-wordpress-video-tutorials/

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Posted by admin    Date: Wednesday, December 31, 2008

Categories: Linux

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Life with SmoothWall

Well it has been 6 months since I installed the SmoothWall Firewall and I must say it is one of the best linux installations i have ever used. Simple to modify, easy to restore (I will get into that shortly), rock steady and reliable.

It all started back in January of 2008, I was having trouble with my Linksys firewall since it did not have enough forwarding ability, i think it was limited to 20 forwards, which was just not enough for me. So I started looking into re-using one of the old systems I had laying in the basement. I choose a compaq c400, 256MB RAM, a 4 GB hard drive and 3 NIC’s.

I have only tinkered a little bit with the system, then I saved the config to a floppy and that was it. The system has been running now for 120 days without a reboot, it would have longer had we not lost power one day. In the beginning I was tinkering with multiple external IP’s, so i was trying a few mods, of which thee are a nice amount. If something ever went bad, I just rebooted from the CD and re-installed the base, then loaded my config from the disk and I was back in business in minutes.

Originally I was going to put together a dual machine load balanced, failover configuration. But since it was sooooo easy to restore the configuration, even on another machine i figured I could afford to be down for an hour while i install a new copy on a new machine and restore the saved config.

As for the mods the forum has a section for mods, it is not very easy to find the onew you want. There is a post that is updated fairly often that links to the postings/threads for each mod. They give a nice standardized description, install / uninstall instructions for each mod. It is just not very easy to search for mods that you don’t know exist. Support however, is very good since the posters are always online answering questions.

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Posted by admin    Date: Friday, August 1, 2008

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Entertaining the Kids for Free – With Linux

School will soon be out for the summer. There are a slew of Linux programs for kids — including Tux Paint, Celestia and Edubuntu — that parents can use to entertain the little ones.

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Well it’s the last week of May, and millions of schoolchildren across the country and around the world are counting down their last days of captivity.

Ah, summer. It’s a time of freedom for kids and a time of dread and downright terror for parents — at least for some.

How to keep the kids entertained? Never fear — Linux is always on duty.

Linux Programs for Kids

First, the sharp team over at Fanatic Attack has put together an excellent list of the best Linux programs for kids, which was noted by Scott Ruecker on LXer.

Tux Paint, Celestia and Edubuntu are among the open source programs the article recommends, giving kids plenty of opportunities for fun without the expense and hassle of using more mainstream applications.

It’s never too early to begin instilling those open source values!

Best Free Linux Games

Then there’s the list of “42 of the Best Free Linux Games,” noted by sde on LXer.

The linked article on LinuxLinks.com lists a variety of free Linux games to keep kids busy for hours, including first-person shooters (FPS), massive multiplayer online role-playing games (MMORPG), arcade games, board/puzzle games and more.

At this rate, it’ll be August before you know it!

‘Ready for the Desktop’?

So now you’re ready for summer. However, what about Linux — is it ready for the desktop??

Quite a lively debate was sparked last week by an editorial over at Linux.com questioning the usefulness of the term “ready for the desktop” for discussing Linux — or any operating system.

“The truth is that no OS is ready for the desktop, and never will be,” writes Jeremy LaCroix, author of the article. “An OS that was ready for the desktop would put people like me out of business, because it would be theoretically perfect.

“Since each person uses his computer in different ways, it’s impossible for one OS to cater to everyone,” LaCroix continues. “Therefore, you shouldn’t ask if an OS is ready for the desktop; rather, is the OS ready for your desktop?”

10 Years of Readiness

Indeed, “I have never liked the whole ‘ready for the desktop’ thing,” Gerhard Mack, a Montreal-based consultant and Slashdot blogger, told LinuxInsider.

“It’s all about whose desktop it is ready for,” he said. “I’ve had my desktop as exclusively Linux for the past 10 years and I enjoy it that way.”

Ten years ago, one could use Linux on the desktop “with no problem, provided someone technical set it up for you and you didn’t need standard office apps,” Mack noted. “Now things have gotten easier to install and more office apps are available for Linux.”

The type of desktop needs to be qualified, he concluded. “For instance, I’d say it was great for office work but not good for CAD or graphics design.”

Focus on Developers

The topic had spurred close to 600 comments on Slashdot by Friday, and was also nicely complemented by a post from Thomas Teisberg on the Linux Loop, which points out that the desktop experience is only part of the story.

“The average user’s experience is not all that matters,” Teisberg noted. “Developers must also be attracted to Linux before it will become commonplace on the desktop.”

The ‘Gamazon’ Factor

Over at Linux Today, meanwhile, Mark Hinkle argued that Google (Nasdaq: GOOG) and Amazon (Nasdaq: AMZN) (“Gamazon”) are the best hope for Linux on the desktop.

“If you are no longer dependent on your desktop operating system for tight application integration, you have a lot more freedom in your desktop platform,” Hinkle asserted. “That opens the door for Linux.”

This is not the first time cloud computing and virtual appliances have been mentioned as a big opportunity for desktop Linux, Jay Lyman, an analyst with The 451 Group, told LinuxInsider.

The subnotebook category of PCs is another area widely considered to have the potential to give desktop Linux a boost, he added.

Opportunities for All

“The basic reason is that you don’t have the same Windows dominance,” Lyman explained. “I agree — getting the operating system and applications from something like an Amazon cloud makes sense.”

rPath is one of the first companies to take the idea and “run with it,” Lyman added.

That, in turn, shows that “vendors see the opportunity too,” he concluded. “It’s further evidence that it’s a good opportunity for vendors as well as for Linux.”

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Posted by admin    Date: Tuesday, May 27, 2008

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How to Name a FireWall

Pick a good story/theme and go for it. I will choose Konatcica for my firewall’s name.

An Apache Legend

Long, long ago, animals and trees talked with each other, but there was no fire at that time. Fox was most clever and he tried to think of a way to create fire for the world.

One day, he decided to visit the Geese, te-tl, whose cry he wished to learn how to imitate. They promised to teach him if he would fly with them. So they contrived a way to attach wings to Fox, but cautioned him never to open his eyes while flying. Read more…

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Posted by admin    Date: Tuesday, February 19, 2008

Categories: Linux

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Linux Firewall – SmoothWall.org

I must say I am impressed by the SmoothWall firewall. It has a fantastic interface and it was an easy install. A little reading ahead of time and an understanding of firewall zones helped get my firewall knowledge converted to Smoothie talk.

I started with a PIII-400c Compaq, 256 MB RAM and a 1.5 GB HD (I will replace that with a CF card when the IDE-CF adapter comes in), 1.44 Floppy, a CDROM and 3 NIC’s. After a video card swap (AGP1 not AGP 2) and a few CDROM swaps, I found one that worked…why do I keep the broken ones…and the install went with out a hitch.

Since I have web/email servers, wifi and hardwired clients, I choose the GREEN + ORANGE + RED configuration. This was probably the hardest choice of the install. Read more…

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Posted by admin    Date: Tuesday, February 19, 2008

Categories: Linux

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Create a Linux Failover Router

Now that the Web server is running and the database is being backed up it is time to create a failover webserver. I had grandiose dreams back in 2006 when my main web server took a dive and I needed to buy a new server. Why not get 2 identical servers and run them in parallel, I don’t have that kind of money that’s why! So along came this tiger catalog (I wont say their full name…) Look I can get 2 computers for the price of one Dell!!! BIG MISTAKE!!! One system went up w/o a problem, but the other has a new power supply, memory, MB and CPU and still it sits in my closet, I believe the MB is giving another error code, I will never buy an ABIT MB again.

After investigating the how to create failover systems, I came upon 2 articles below that are good foundations for the principle. Linux-HA is a great website that reads like a dictionary, not a how to site. So I am looking for a few articles that will guide me through the process. Here are a few: Read more…

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Posted by admin    Date: Monday, February 11, 2008

Categories: Linux

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