Category Archives: Linux

Script To Reboot Cisco Wireless Access Points Daily

I recently faced a problem with our Cisco AP541N-A-K9 Dual Band Access Points. We have 5 in the office and users would complain that they were getting the “Limited Access” error or would not be able to connect at all. The problem would only happen in certain areas of the office with certain users. If the user would go to another area (switching access points), the error would go away and they would be fine. After troubleshooting the issue, I found that the only fix was to reboot the access point that was giving problems and everything would be fine. This wasn’t the perfect solution though because not all users on that access point would be having issues, and rebooting would kick everyone off for a short period of time.

I found that the best thing to do would be to write a script that would reboot all of the access points early in the morning before the users would get to work. That way all of the access points would have a clean slate to start with. Here’s how I did it:

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A Simple Do It Yourself Guide For Offsite Backups

There are a lot of services out there that will offer cloud storage for your backups, as well as many desktop utilities that will do it for you. These are great for the normal end user and have many benefits to them. However if you’re like me, you want to have full control of your backups and want to know where they are going and who can access them (not to mention avoiding the monthly service fee).

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Ubuntu 12.04 LTS Problems With NVIDIA Optimus Graphics

I recently made the switch from Windows 7 to Ubuntu 12.04 LTS on my Samsung NP-QX411 laptop.

After installing, everything was going great (not to mention the 8 second boot time with my OCZ Agility 3 SSD), However I noticed a few problems in regards to my graphics. For one, my function keys to control the brightness of my screen would not work -also my battery life wouldn’t last longer than 2 hours on a fresh charge. The function keys were not a big deal to me because the brightness could still be adjusted though the GUI. However, the battery life was a big problem. After a few days of searching around for a fix I was nearly at the point of re-installing to Windows just so I could get more use out of a battery charge.

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