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The Crucial Blog - Archive

March 13, 2008

Accesing 3ware RAID Card (8006-2LP) from Linux Command Line – tw_cli

If you are wanting to access 3Ware cards (which are great btw!), either the 8006-2LP you can use the tw_cli utility, which you can download from the 3ware website. This is a great way to manage most aspects of the card while your system is running, such as rebuilding an array, detecting failed drives, etc.

More info can be found here: https://twiki.cern.ch/twiki/bin/view/FIOgroup/Tw_cli

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Filed under: Uncategorized by — aaron @ 5:20 pm


March 13, 2008

MySQL error: supplied argument is not a valid MySQL result resource in /home/user/public_html/somepage.php

Common Errors:

- mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/user/public_html/somepage.php
- mysql_free_result(): supplied argument is not a valid MySQL result resource in /home/user/public_html/somepage.php

Solution:

Most of the time, this happens because the database user doesn’t have enough permissions on the concerned database. When you check the permissions, even if shows all right, please grant the permissions once again. This should fix it :)

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Filed under: Uncategorized by — aaron @ 1:35 am


March 13, 2008

Gem Error Ruby on Rails cPanel: uninitialized constant Gem::GemRunner (NameError)

Error: uninitialized constant Gem::GemRunner (NameError)

When: Installing Ruby on Rails gem on

Solution:

1. Open the file

/usr/bin/gem
or
/home/username/ruby/bin/gem

2. Simply add the line to that file
require ‘rubygems/gem_runner’
after
require ‘rubygems’

3. Save and exit

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Filed under: Uncategorized by — aaron @ 1:34 am


March 13, 2008

How to install mod_proxy on apache 1.3 on cPanel

If you are looking to install mod_proxy on 1.3 under do the following:

1. Goto /home/cpin/installd/buildapache/apache_1.3.37/src/modules/proxy

2. Run this command
==
/usr/local/apache/bin/apxs -i -c *.c
==
That will install mod_proxy to apache 1.3

3. Now edit the httpd.conf file and add the below entry to it.

LoadModule proxy_module libexec/mod_proxy.so
AddModule mod_proxy.c

4. Save and exit the conf file.

5. Restart apache.

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Filed under: Uncategorized by — aaron @ 1:33 am




     

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