PowerShell/Docs/install-unbound-server.md
2023-05-26 12:20:18 +02:00

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Markdown

## The *install-unbound-server.ps1* Script
This PowerShell script installs Unbound, a validating, recursive, caching DNS resolver. It needs admin rights.
## Parameters
```powershell
/home/mf/Repos/PowerShell/Scripts/install-unbound-server.ps1 [<CommonParameters>]
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
## Example
```powershell
PS> ./install-unbound-server
```
## Notes
Author: Markus Fleschutz | License: CC0
## Related Links
https://github.com/fleschutz/PowerShell
## Source Code
```powershell
<#
.SYNOPSIS
Installs Unbound server (needs admin rights)
.DESCRIPTION
This PowerShell script installs Unbound, a validating, recursive, caching DNS resolver. It needs admin rights.
.EXAMPLE
PS> ./install-unbound-server
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
#Requires -RunAsAdministrator
try {
$StopWatch = [system.diagnostics.stopwatch]::startNew()
"⏳ (1/10) Updating package infos..."
& sudo apt update -y
if ($lastExitCode -ne "0") { throw "'apt update' failed" }
"⏳ (2/10) Installing the Unbound packages..."
& sudo apt install unbound unbound-anchor -y
if ($lastExitCode -ne "0") { throw "'apt install unbound' failed" }
"⏳ (3/10) Setting up Unbound..."
& sudo unbound-control-setup
if ($lastExitCode -ne "0") { throw "'unbound-control-setup' failed" }
"⏳ (4/10) Updating DNSSEC Root Trust Anchors..."
& sudo unbound-anchor
if ($lastExitCode -ne "0") { throw "'unbound-anchor' failed" }
"⏳ (5/10) Checking config file..."
& unbound-checkconf "$PSScriptRoot/../Data/unbound.conf"
if ($lastExitCode -ne "0") { throw "'unbound-checkconf' failed - check the syntax" }
"⏳ (6/10) Copying config file to /etc/unbound/unbound.conf ..."
& sudo cp "$PSScriptRoot/../Data/unbound.conf" /etc/unbound/unbound.conf
if ($lastExitCode -ne "0") { throw "'cp' failed" }
"⏳ (7/10) Stopping default DNS cache daemon systemd-resolved..."
& sudo systemctl stop systemd-resolved
& sudo systemctl disable systemd-resolved
"⏳ (8/10) (Re-)starting Unbound..."
& sudo unbound-control stop
& sudo unbound-control start
if ($lastExitCode -ne "0") { throw "'unbound-control start' failed" }
"⏳ (9/10) Checking status of Unbound..."
& sudo unbound-control status
if ($lastExitCode -ne "0") { throw "'unbound-control status' failed" }
"⏳ (10/10) Training Unbound with 200 popular domain names..."
& "$PSScriptRoot/check-dns.ps1"
if ($lastExitCode -ne "0") { throw "'unbound-control status' failed" }
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
"✔️ installed Unbound in $Elapsed sec"
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*Generated by convert-ps2md.ps1 using the comment-based help of install-unbound-server.ps1*