How to easily Set Up your Fedora-Linux Home Network

May 19, 2013
How to easily Set Up your Fedora-Linux Home Network

updated 2015-09-20 How To copy and share files between Fedora computers and share a printer How to set up a home network on Fedora 15, 16, 17, 18, 19, 20, 21, 22 (or Ubuntu 9.10 to 11+) with a router. (At the begining of this article, I was still using Fedora 11, 13, and 14 on different pc’s and had live copies of Ubuntu...

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Flash takes over your camera and microphone and writes permanent cookies!

May 4, 2013

REMOVE FLASH! Flash takes control of your webcam and mike. without permission! Web sites advertisers can now silently access your camera and/or microphone and write up to 13 copies of a new type of cookie that was quietly introduced "last year" = 2009. It’s officially called the Local Shared Object (LSO), commonly called a Flash cookie. More persistent and much more dangerous than HTTP...

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basic loops in PHP

February 10, 2013

Loops execute a block of code a specified number of times, or while a specified condition is true. for for ($i = 1; $i $mon) { echo $key . " – " . $mon . ""; } output: 0 – January 1 – February … 11 – December $characters = "Porky Pig"; $characters = "Daffy Duck"; $characters = "Speedy Gonzales"; foreach ($characters as $key...

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Dual desktop computer monitors in Fedora 17+…F22+…

February 5, 2013
Dual desktop computer monitors in Fedora 17+…F22+…

updated 07-20-2016 How to set up dual or triple desktop computer monitors in Fedora 17+ Go to "System Settings" >> Display . . . to see-arrange your monitors. My laptop handled 2 monitors with only a hassle of being only able to put the external monitor on the right side and still keep the internal, laptop, monitor established as the "primary" monitor. On a...

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PHP INTRO, debugging, html quotes, closing tags, security

December 12, 2012

updated 2017-05-31 PHP is perhaps the most widely-used general-purpose scripting language*, especially suited for Web development. It is, in fact, the programming component of the "LAMP" environment: Linux, Apache, MySql, Php. PHP is surprisingly more popular than Microsoft’s own ASP web scripting language! PHP runs lot faster than ASP on MS Windows and has more features and functionalities than Microsoft ASP. PHP is much...

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How To automate Linux backups to a remote pc

November 25, 2012

updated 2014-10-09 passwordless ssh: automated Linux shell backups to another computer ssh remote login without a password Accessing a remote site through ssh without a password How to do unattended backups to a remote linux computer Quite often, you want a shell script to ssh into a remote server (your web site?) unattended and do a (regularly scheduled, cron job?) backup, for instance. SSH...

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LibreOffice restricting spaces between words to 1

November 22, 2012

LibreOffice restricting multiple spaces between words LibreOffice restricting multiple spaces in text LibreOffice restricting spaces in text I did google searches on all these things and got nowhere! For no known reason, LibreOffice had started not letting me type a second space after a word … unless I backed the cursor up before the one space I had entered and then I could enter...

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SQL: some basic JOIN syntax

November 15, 2012

INNER JOIN and , (comma) are equivalent in the absence of a join condition and "JOIN" is defined to be equivalent to an "INNER JOIN" Examples: SELECT * FROM customer AS c, orders AS o WHERE c.custkey = o.custkey or (same): SELECT * FROM customer AS c JOIN orders AS o WHERE c.custkey = o.custkey or (same): SELECT * FROM customer AS c INNER...

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moodle: Time Spent in a lesson, not being saved, preserved

October 29, 2012

updated 2017-02-04 Moodle: Time Spent in a lesson being falsified since mdl 2.3 Moodle: To require a minimum time spent in a lesson the time spent in a lesson was (years ago) preserved in a table that shows the time entering the lesson and the time leaving(finishing?) the lesson. Also, in the first page of a lesson, if a person refreshes the page, it...

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Internet, Web Site, Security with .htaccess

October 27, 2012

The surest control over security is with /etc/httpd/conf/httpd.conf when you have the entire server, or in .htaccess files otherwise – if you are on shared hosting. Read the post "Unix-Apache .htaccess" for basic information first, if you are not familiar with this. It will be best if you have your site duplicated on your home pc, where you can test out any changes to...

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Delete the Zen-Cart Store Demo files, images, and Data

October 11, 2012
Delete the Zen-Cart Store Demo files, images, and Data

How to get rid of zen-carts demo store – including version 1.5.0. "How to clean up default install and remove example store related files." How to remove, or delete, the "Zen Cart demonstration categories and products". Help with installing Zen-cart, help removing Zen-cart’s demo store. How to Delete all the Zen-Cart Sample Store files, images, and Data. Install Zen-Cart and choose "NO" to the...

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make your Zen-Cart 1.5.0+ configuration.php files flexible

September 28, 2012

On you backup or testing server, for development, (not your live, commercial, site!!) you can create a fake SSL certificate (for free, of course!) officially called a "Self Signed Certificate" and operate with SSL turned on everywhere. Regardless! In your zen-cart configuration files, do not hard-code any settings that might be different on your backup or testing server or that you might want to...

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linux shell command line prompt, history, and editing

September 25, 2012

updated 2016-09-20 How to Retrieve and Edit Commands in Linux All this information assumes the default "bash" shell. If hitting the up arrow does not retrieve the previous command, or the command "history" does not get a list of your previous commands, then you do not have the Bash shell. And, if ctrl-p is the only way to get your previous command, then you...

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zen-cart v.150: cannot test off-site, "not accepting payments from your region"

September 25, 2012

"Sorry, we are not accepting payments from your region at this time" Problems with testing Zen-Cart 1.5.0 off-site updated Sept. 25th 2012 SSL certificate required for zen-cart on a development server? You’re kidding! I just started testing an upgrade (to v.150) on one of our development servers. I made sure it was working properly as is (v.138a in "test mode") before starting the upgrade...

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Unix-Apache .htaccess

September 9, 2012
Unix-Apache .htaccess

hacking, error pages, redirection, time zone, add-on & sub domains & SEO, hot linking – bandwidth stealing. .htaccess files (or "distributed configuration files") allow you to do many different things, … commonly, to have your own custom 404 error pages, to redirect pages, and to enhance security. (for security, see Internet Security Note 1: Unix used .filename extensions before Microsloth Windoze or even DOS...

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Faster Booting: from SysVInit to systemd

July 16, 2012

* Systemd * Systemd is a new, faster, system and service manager for Linux, compatible with SysV and LSB init scripts. systemd provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux cgroups, supports snapshotting and restoring of the system state, maintains mount and automount points and implements an elaborate transactional...

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Aerial Photos of Fort Lauderdale

June 26, 2012
Aerial Photos of Fort Lauderdale

April 16th 2012 flight along the Gold Coast – Fort Lauderdale, Florida. Updated 02-05-2014. Fort Lauderdale beach Beach Place Mall, Ft Lauderdale beach Fort Lauderdale Fort Lauderdale beach at A1A and Las Olas Pompano Beach (looking south)   Lighthouse Point Lighthouse Point Pompano Beach Deerfield Beach Boca Raton beach 4 pilots and the photographer  

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How to switch to Gnome 3, Cinnamon

June 1, 2012

updated 2016-09-20 How to make Gnome 3 look and work almost like Gnome 2: Cinnamon dnf install cinnamon note: MATE was built on gnome-2 CINNAMON was built on gnome-3 Once installed, on the next login, notice and click on the little gear icon next to the Sign In button. A drop-down list will show up providing the potion to use Cinnamon [ or Cinnamon...

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in SQL, first, select, then update or delete

May 9, 2012

updated 2017-02-14 My notes and sample code from experimenting and cleaning-up data. Always run a select statement before running an update or delete. Note: The phpMyAdmin tool, which is very valuable, adds "limit 0,30″ to the end of most SELECT statements so don’t be tricked into thinking you have been shown all the selected records. You can change it by setting the config variable...

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A Few Puzzles for Thought and a Challenge

April 30, 2012
A Few Puzzles for Thought and a Challenge

What was the biggest ocean in the world before Balboa discovered the Pacific Ocean? How many cookies could you eat on an empty stomach? It occurs once in a minute, twice in a week, and once in a year. What is it? Here are a few "level 1″ puzzles from a book called Brain Training Puzzles, 450 Mind Bending Challenges published by Metro Books,...

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how to boot up Fedora (any linux) without password prompting

April 26, 2012

If you always turn on your personal computer and "boot up" in Fedora 11-14 with the same user-id and don’t want the computer stopping at your user-id and password prompt every time, then, open a terminal session and edit /etc/gdm/custom.conf as root. You can insert 2 lines under the heading AutomaticLoginEnable=true AutomaticLogin= Login Window (in any x-window system look around for "Login...

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