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Technology Errors

Zen Cart New Product Error: 1062 Duplicate entry ‘2147483647’ for key ‘PRIMARY’

ErrorsBy alexNovember 19, 20101 Comment

A client of mine contacted me earlier because he was unable to add products to his Zen Cart store. I recently installed a couple modules for him and was thinking that the issue may be related to one of the modules however this did not end up being the case. After some investigation I was…

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Technology Insights

Xbox 360 Behind pfSense Firewall: Your NAT Type Is Strict

InsightsBy alexNovember 18, 20102 Comments

We recently put a Xbox 360 online at the computer shop and I finally got around to configuring everything so we could get on Xbox Live. Our network uses a pfSense firewall along with some other security measures which create a fairly secure environment however it can take some configuration to get things working properly…

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Technology Errors

Starting vsftpd for vsftpd: 500 OOPS: vsftpd: not configured for standalone, must be started from inetd

ErrorsBy alexNovember 17, 20104 Comments

Earlier today I was configuring VSFTPD on a new server. After installing via the yum package manager on a CentOS server and copying the configuration from another server to mimic its behavior I attempted to start VSFTD and it failed with the error noted in detail below. After the error details there is information on…

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Technology Errors

createdb: database creation failed: ERROR: source database “template1” is being accessed by other users

ErrorsBy alexNovember 16, 2010Leave a comment

When attempting to create a new database on a PostgreSQL server running walmgr, which is part of SkyTools by Skype Developers, for real time failover I received an error. Initially I was a bit baffled by the error however I remembered after racking my brain for a little bit that you must stop walmgr’s syncdaemon…

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Technology Insights

Create A New Logical Volume In A Logical Volume Group With Space On A Linux Server

InsightsBy alexNovember 15, 2010Leave a comment

As noted in a previous article I have been working on a couple new Linux servers with a minimal install of CentOS on them. The /var, /usr, and / directories each were configured with 2GB of space within a logical volume group that has 1TB of space available. I first expanded the /var and /usr…

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Technology Insights

Remove A Logical Volume From A Logical Volume Group On Linux

InsightsBy alexNovember 14, 2010Leave a comment

While testing various settings and other changes with logical volume groups I had created a test logical volume group that I no longer needed so I needed to remove it. When using the below information be aware that any data contained within the logical volume group will be gone after the logical volume is removed.…

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Technology Insights

Expand A Partition That Is Part Of A Logical Volume Group While Server Is Running

InsightsBy alexNovember 13, 2010Leave a comment

I recently had a couple new CentOS Linux servers brought online at a colo that a company I work for uses. I had the colo do a very simple install of CentOS so I could handle the details without having to remove a bunch of packages we didn’t need. The servers have two one terabyte…

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Technology Insights

Mac OSX 10.6 Sticky Notes Shortcuts

InsightsBy purehateNovember 12, 20101 Comment

I love notes. I am the kinda guy that puts notes every where including all over my computer desktop. Mac has a really cool application which is called sticky notes. I have been using it for a few weeks now and I really like it. It has multi colored notes so I can keep my…

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Technology Errors

Zen Cart Ultimate SEO URL Install Error, cannot redeclare zen_reset_cache_data_seo_urls()

ErrorsBy alexNovember 10, 20104 Comments

Earlier I was working on a Zen Cart site and ran into an issue installing the Ultimate SEO URL add-on. The Ultimate SEO URL add-on creates more SEO(Search Engine Optimization) friendly URL’s for Zen Cart. The site in question already had a previous version of the Ultimate SEO URL add-on installed and once I was…

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