SQL DBA Blog

Category: Windows Admin

Windows Administration Blog Archives, by Peter Whyte (Database Administrator).
Includes: Database Admin, Windows Admin, PowerShell, WSL & more…

  • How to Set Environment Variables in PowerShell

    To get environment variables in PowerShell, we can use Get-ChildItem env: to list all the environment variables and $env: to return the value of a specific environment variable. This blog post should help explain this as well as how to set new values for Environment Variables. An environment…

    Read More

  • How to Install PowerShell on Ubuntu 20.04

    This post is a guide on installing PowerShell on Ubuntu 20.04. The Ubuntu Linux distribution being used in this demo is running as a Windows Subsystem for Linux (WSL) instance. I have not yet encountered issues with the PowerShell, Ubuntu and WSL cocktail. Be sure to check out…

    Read More

  • Create a New Firewall Rule with PowerShell

    This is a short post to share a PowerShell script that will create a new Windows Firewall Rule on a your computer. We have to ensure that we run PowerShell as Administrator for this to work. The above is creating a new firewall rule so inbound SQL Server…

    Read More

  • How to Automate PowerShell Scripts with Task Scheduler

    Running PowerShell scripts on a schedule is a common requirement for Windows Admins. This guide will show you how to automate your scripts using Task Scheduler, covering both the GUI and PowerShell methods. Task Scheduler allows you to run programs, scripts, or other tasks based on a schedule…

    Read More

  • SQL Server Default Port

    The default port for the SQL Server Engine is 1433, which is a key thing to know if you’re working as a Database Administrator (DBA), especially when managing network configurations or troubleshooting connectivity issues. In my experience, SQL Server runs on port 1433 about 95% of the time.…

    Read More

  • Restart Services on Multiple Hosts using PowerShell

    In this post, we’ll walk through a script that restarts services on multiple remote hosts using PowerShell. A single PowerShell command will be run on several computers at the same time. If you need to run a command on multiple remote machines, the PowerShell Invoke-Command cmdlet is a…

    Read More

  • How to Rename a Computer that Hosts SQL Server

    When changing the hostname of a computer that is running SQL Server, we have to update system metadata so that remote connections and applications do not lose connectivity. The hostname system metadata is stored in sys.servers and reported by @@SERVERNAME. This post is a guide on how to update…

    Read More

  • How to Check Listening Ports on Windows

    This guide will show you how to check which service is running on a specific TCP or UDP port on a Windows computer. This can be useful for verifying which service is tied to a port or proactively checking for any dodgy (suspicious) open ports. In this post,…

    Read More

  • How to Check Windows Firewall Status with PowerShell

    Want to quickly check whether your Windows Firewall is enabled or disabled? This guide shows you how to use PowerShell to get the status of your local Windows Firewall for each profile. PowerShell cmdlets follow a standard format: verb-noun. The verb describes the action, and the noun specifies…

    Read More

  • How to Enable Windows Firewall using PowerShell

    Windows Firewall is an essential security feature that protects your system from unauthorized access and threats. If it has been disabled for testing or mistakenly turned off, you can quickly re-enable it using PowerShell. This guide provides a straightforward process to restore your firewall settings and ensure a…

    Read More

Recent Posts

Categories

– AWS
– DBA Stories
– Linux
– MySQL
– Other
– Postgres
– PowerShell
– Redshift
– SQL Server
– Windows Server

Tags

Always On Availability Groups (AAG) (3) Certificates & Encryption (3) Change Data Capture (CDC) (2) Database Admin (71) Database Backups & Recovery (12) Database Mirroring (2) Deleting Data (1) Error Messages (4) Git Commands (5) Importing & Exporting Data (2) Linked Servers (3) Linux Admin (2) Logging & Monitoring (1) Measuring Databases (10) Microsoft Patching (2) PowerShell Scripts (1) SQL Server Agent (4) SQL Server Database Files (1) SQL Server Data Types (2) SQL Server Management Studio (SSMS) (14) SQL Server Network Connectivity (2) SQL Server on Linux (1) SQL Server Patching (2) SQL Server Performance (5) SQL Server Permissions (1) SQL Server Processes (5) SQL Server Replication (1) SQL Server Scripts (12) Windows Admin (21) Windows Authentication (2) Windows Automation (1) Windows Events (2) Windows Firewall (4) Windows Subsystem for Linux (WSL) (20)