PowerShell – Network Command – “Get-NetAdapter”

Background Have a few days of network diagnostic work ahead. And, so let us prepare and go through our requirements worksheet. Get-NetAdapter Outline The Get-NetAdapter command lists the network adapter on our machine. Syntax Sample Output Output-Image Output-Text Explanation I am on a laptop using a wireless connection The key points for me are My … Continue reading PowerShell – Network Command – “Get-NetAdapter”

Netbios Over TCP/IP – Yea Or Nay

Background Had an insomnia night last week.  And, so took to the laptop and wanted to troubleshoot an issue. As part of that troubleshooting exercise I knew Network Traffic Pattern might be pertinent. Wireshark Network Traffic Here is sample of some of what I noticed through capturing Network Traffic. Image   Explanation Noticed a lot … Continue reading Netbios Over TCP/IP – Yea Or Nay

Linux (CentOS) – Fixing DNS (Name) Resolution Issues

Introduction Trying to install Hadoop\Hive and running into a bit of error. Error Message The command issued is: yum info hive But, got a bunch of error messages; that includes: http://mirror.umd.edu/centos/6.4/extras/i386/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirror.umd.edu'" Trying other mirror. http://mirrors.usc.edu/pub/linux/distributions/centos/6.4/updates/i386/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.usc.edu'" … Continue reading Linux (CentOS) – Fixing DNS (Name) Resolution Issues

Technical: Linux\CentOS – Network – Full Qualified Domain Name on Comcast Home Network \ In-house DNS Server

Technical: Linux\CentOS - Network - Full Qualified Domain Name on Comcast Home Network \ In-house DNS Server Introduction I have a little home Network behind my Wireless Access Point.  But, lately one of the boxes that I need to access has being up and down.  And, I really need it to be up. Quick Analysis … Continue reading Technical: Linux\CentOS – Network – Full Qualified Domain Name on Comcast Home Network \ In-house DNS Server

Atheros AR5006 EXS Wireless Network Adapter & MS Windows Vista ( trying to AT&T Universe supplied Wireless Access Point to get online) – Error “Unidentified Network”

A good friend texted me last week saying that upon the family upgrading to AT & T \ SBC U-verse one of their laptops is no longer able to connect to the Internet.  That is two of three computers are able to connect, but one last lone laptop is not. He is a good friend … Continue reading Atheros AR5006 EXS Wireless Network Adapter & MS Windows Vista ( trying to AT&T Universe supplied Wireless Access Point to get online) – Error “Unidentified Network”