While doing some testing this evening on Backtrack Linux 5 R3 I had issues with apt or aptitude complaining about some dependencies for packages I had compiled from source. One of the packages I first ran into issues with was bluez which is installed by default on Backtrack. I wanted to apply a patch to the source code and then reinstall bluez which I was able to accomplish. The issue started after that when apt started complaining that bluez was not installed any longer. Below I describe how I modified the apt dependencies tracker file which fixed my unmet dependencies errors.

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Locating the Ubuntu version is easy regardless of if you need to locate the Ubuntu Linux version from the CLI or via the Ubuntu GUI. I always forget what the CLI command is so this is as much reference for myself as it is sharing with others. Below I describe how to determine Ubuntu version from the Ubuntu Linux CLI and the Ubuntu Linux GUI.

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Today a scenario came up where I needed to run an older version of Firefox to make sure that there was full support for an applications web interface that I was using. There is not standard way to do this though following the steps below will allow you to install and run multiple Firefox versions without much hassle.

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While working on the computer shop network I had to modify the configuration on our switch which is a Cisco Catalyst 2950. After making a bunch of changes I was testing things to make sure all was working as expected however after taking a break and logging back into the 2950 it appeared that all of the changes made had been reverted. I was assuming the Catalyst 2950 had lost power briefly which means all of the changes were lost since they had not been saved to the startup config yet. To verify my assumption I needed to look at the amount of time the switch had been up however “uptime” is not a valid iOS command. Below is information on the command used to verify uptime on a Cisco Catalyst 2950.

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I have been working on a project using oclHashcat this afternoon and started to look into an error that has existed on a development server where we use oclHashcat for quite some time. After some digging around I am confident that regardless of the error existing there is not an issue but I wanted to post an article related to the error in case anyone else looked for a resolution to the error. Below is information on the libOpenCL.so error and my thoughts regarding the error.

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