Category Archives: Work

Troubleshooting a Ruby production application

Debug logging mode ON

I am by no means a Ruby expert, but I have been tasked with troubleshooting an existing Ruby application. Specifically some end user DB tasks were failing to save records and the application was throwing a generic error message to the user. By enabling debug logging and viewing the Ruby log file, I was able to see that the application was failing when attempting to send an email confirmation, then it would roll back all the DB changes since the overall

ScanSnap internal error occurred 0x1001 (s300, ix500, etc.) [SOLVED]

ScanSnap Error Message

Are you getting a ScanSnap internal error occurred 0x1001 error message? After months of trouble free usage when saving to folder, I had that error pop-up  Thankfully, I did the following steps and everything is back to normal: How to fix the error #1 Try to save to Google Drive or one of the other options and verify that you can complete the save (I was able to save to Google Drive) and this means the scanner is working properly #2

JPS300V 5V DC power supplies for LED signs

JPS300V is user selectable between 110V AC and 220V AC

The JPS300V DC power is a robust option for powering LED signs and other products that require relatively high amperage 5V output. 60A at 5V = 300 watts which is pretty hefty for a DC power supply. Out of approximately 80 PSUs, we have had around 2-3 fail. This is a roughly 3.8% failure rate in some fairly difficult situations (withstanding fairly intense heat, cold and moisture). Overall I would rate them as a good low-cost option especially if you can

Crossroads Inn and Suites, Salem MO WiFi review [EXCELLENT]

WiFi speedtest results, EXCELLENT

I regularly stay throughout Missouri for business. I normally test the speeds at every hotel I stay in. Recently I stayed at the Crossroads Inn and Suites in Salem MO. I have stayed there before, but they recently upgraded their internet so I wanted to run speed tests again. Here are the speedtest results: ~60.0Mbps D/L* ~12Mbps U/L* *average of multiple tests throughout stay.  These are some of the best speeds I have encountered. WiFi coverage was also excellent, both in my room and

Exede Liberty Pass speed tests [RESULTS]

Exede Liberty Pass results, ~9:50AM

Here you will find real world speed test results for ViaSat’s Exede Liberty Pass internet plan. These results are from AFTER the monthly allotment is downloaded. These are also with their latest modem which features “up to” 25 Mbps downloads. Here is verification that the monthly allotment has been used, and the Liberty Pass is in effect:   A quick note regarding units discussed in this post: Unit symbol The ISQ symbols for the bit and byte are bit and B,

Enable mod_rewrite on TurnKey Linux Apache2

How to enable mod_rewrite on TurnKey Linux: a2enmod rewrite root@lamp ~# a2enmod rewrite Enabling module rewrite. To activate the new configuration, you need to run: service apache2 restart root@lamp ~# service apache2 restart [….] Restarting web server: apache2apache2: Could not reliably determine the server’s fully qualified domain name, using for ServerName … waiting .apache2: Could not reliably determine the server’s fully qualified domain name, using for ServerName . ok root@lamp ~# [end]    

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