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Server Administration

Articles discussing topics related to server administration and related technologies.

Configuring DNS over TLS and HTTPS behind Nginx with BIND

In January of 2022, BIND 9.18 became a new stable branch that contained support for DoT and DoH. Learning this, I decided to upgrade my previous BIND server to this new version and enable these features. If you run containers, you can use Docker to get the latest BIND

Minecraft Server Docker Image

Dockerfile Create a Dockerfile for the minecraft server image with the following: FROM ubuntu:xenial MAINTAINER Richard Meyer ENV MINECRAFT_VERSION 1.11.2 ENV DEBIAN_FRONTEND noninteractive RUN apt-get -y update && apt-get -y upgrade && apt-get install --no-install-recommends -y -q \ software-properties-common \ && apt-add-repository -y ppa:webupd8team/java \ && apt-get -y update \ && echo

How to get ASP.NET MVC3 Working under Mono 2.10 (Ubuntu 12.10)

I've managed to get Mono (version 2.10.8.1) working with MVC3 in my Apache server through mod-mono and mono-server4. Update: Included a DirectoryMatch configuration for securing various ASP.net directories. Visual Studio Project Settings Required References (Copy Local: True): * System.Web.Mvc * System.Web.Helpers * System.Web.Routing

Updating User Workstations through PowerShell

Below is a simple PowerShell script that can be used to search for all currently restricted accounts in Active Directory (accounts who have a value for userWorkstations), and update their list of workstations by adding/removing hosts as needed. This script might be most useful in a scenario where you

C# and Remote PowerShell - Lookup Smallest Mailbox Database

The following example can be used to return the smallest available mailbox database with a given name pattern. This might be useful if you're running multiple mailbox databases with similar names: Database 1, Database 2, Database 3, etc.. You can pass in a search for "Database*" and it will find

Using PowerShell to Retrieve DCs within a Specific Domain

The following example will use a remote PowerShell session to query a list of domain controllers under a domain name, and return the first result. Note: This does not verify that the domain controller is online and responding to queries! ///

/// Returns a domain controller from the specified domain ///

Microsoft Exchange

Exchange Remote PowerShell - PSLanguageMode to FullLanguage

How many developers have encountered the following errors when attempting to write remote PowerShell commands against Exchange? Function declarations are not allowed in restricted language mode or a Data section. Property references are not allowed in restricted language mode or a Data section. Assignment statements are not allowed in restricted

Microsoft Exchange

Exchange 2010 - Check if Mailbox Exists using C# and Remote PowerShell

The following is an example on how to use C# to check if exchange mailboxes exist in Exchange 2010 using remote PowerShell. Imports, not all are used in the example function below: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.DirectoryServices; using System.EnterpriseServices;

Active Directory

AD .NET - User's Can't Change Password Attribute (Get/Set)

The following is an example on how to read a user's Can't Change Password attribute in Active Directory using C#. public bool GetCantChangePassword(string userid) { bool cantChange = false; try { DirectoryEntry entry = new DirectoryEntry(string.Format("LDAP://{0},{1}", "OU=Standard Users,OU=Domain", "DC=domain,DC=org")); entry.AuthenticationType = AuthenticationTypes.

Minecraft Linux Servers - Automated Commands using Screen & Cron

The following is for Minecraft Server administrators running Linux. If you run your Minecraft server through a named screen session, you can develop simple bash scripts that automate commands. This can be everything from giftbag scripts to automated backups. An example backup script: /home/user/minecraft/backup.sh #!/bin/sh

Microsoft Exchange

Exchange 2010 - Enable Mailbox through C# & PowerShell

The following is an example on how to use C# to create exchange mailboxes for Exchange 2010 using remote PowerShell. Imports, not all are used in the example function below: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.DirectoryServices; using System.EnterpriseServices; using System.