SQL Server – Linux – Configuring Firewalld

Background Tried to access our recently upgraded SQL Server on Linux, but unable to do so from a different computer. Troubleshooting Introduction Let use see which network ports our Microsoft SQL Server Instance is using. Tools lsof Syntax Sample Output   Explanation SQL Server is listening on a couple of ports services ms-sql-m Ports 56405 … Continue reading SQL Server – Linux – Configuring Firewalld

Automatic Web Proxy Discovery and Client Configuration in MS Windows Environment

  Background For most of us that work in Corporate MS Windows Environment, our Internet Gateway \ Proxy configuration is pretty hidden. At home, we either have direct connections to the Internet, have a gateway assigned to us by our ISP, or get on the Internet through our own Router or Wireless Access Point (WAP). … Continue reading Automatic Web Proxy Discovery and Client Configuration in MS Windows Environment

Technical: DNS – Query for Name Server (NS) – On Linux\CentOS Using Dig

Technical: DNS - Query for Name Server (NS) - On Linux\CentOS Using Dig   Install Install - whois Install whois: sudo yum -y install jwhois   Install - dig As Dig is part of the bind-utils, install bind-utils sudo yum -y install bind-utils       Using Dig On Linux, we can use dig to … Continue reading Technical: DNS – Query for Name Server (NS) – On Linux\CentOS Using Dig