Cybersecurity Solutions and Support Services

    I've been playing on an Ubuntu machine recently which was not set to automatically update.  The following commands will acquire the updates and install them.  First run:

    sudo apt-get update

    You will be prompted for an elevated account password which will then be followed by a list of sites, sources and packages scrolling up your screen.  At the end, you should see "Reading package lists... Done" at which point, run the following:


    In a previous post, I explained how to disable the Windows 7 firewall and leave it to Microsoft to change how an operation is performed.

    Like the previous post, there are times when I don't want the firewall in the way of troubleshooting a problem.  The following is how to disable it.

    From a Command Prompt run as the administrator, enter the following:


    I am frequently troubleshooting problems in a Windows Command Prompt.  There are some functions which can be tested at a very basic level.  For example, if I am unable to connect to a server via Windows Explorer, I might jump into a command prompt and try to ping the server. 

    ping [servername]


    Lots of applications for this simple command.  Yesterday, I was troubleshooting a SQL connection issue and even though I had enabled TCP/IP in protocols, I was still unable to make a connection.  As a sanity check, I ran a shortened version of the command below which showed me that 1433 was not open and ultimately brought me to the source of the problem. 

    Launch a Command Prompt as the administrator (right click, CMD, select Run As Administrator).

    Enter the following command:


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