Add install-knot-resolver.ps1

Data/default.kresd.conf

@@ -0,0 +1,27 @@
+-- LISTENING:
+net.listen({'127.0.0.1', '::1'},  53, { kind = 'dns' })
+net.listen({'127.0.0.1', '::1'}, 853, { kind = 'tls' })
+net.listen('192.168.178.71', 53, { kind = 'dns' })
+net.listen('192.168.178.71', 853, { kind = 'tls' })
+
+-- CACHE: 
+cache.size = 100 * MB
+cache.min_ttl(3600) -- min time-to-live is 1 hour
+cache.max_ttl(604800) -- max time-to-live is 1 week
+
+-- FORWARDING:
+policy.add(policy.all(
+   policy.FORWARD(
+      {'192.168.178.1', -- Fritz!Box
+       '1.1.1.1',       -- Cloudflare #1
+       '1.0.0.1'        -- Cloudflare #2
+   })
+))
+
+-- MODULES:
+modules = {
+        predict = {
+                window = 15, -- 15 minutes sampling window
+                period = 6*(60/15) -- track last 6 hours
+        }
+}

Data/scripts.csv

@@ -76,6 +76,7 @@ generate-qrcode.ps1, generates a QR code
 hibernate.ps1, enables hibernate mode for the local computer (needs admin rights)
 inspect-exe.ps1, prints basic information of the given executable file
 install-google-chrome.ps1, installs the Google Chrome browser
+install-knot-resolver.ps1, installs the Knot Resolver (needs admin rights)
 install-signal-cli.ps1, installs signal-cli from github.com/AsamK/signal-cli
 install-ssh-client.ps1, installs the SSH client (needs admin rights)
 install-ssh-server.ps1, installs the SSH server (needs admin rights)

README.md

@@ -54,6 +54,7 @@ Mega Collection of PowerShell Scripts
 * [enable-crash-dumps.ps1](Scripts/enable-crash-dumps.ps1) - enables the writing of crash dumps
 * [hibernate.ps1](Scripts/hibernate.ps1) - enables hibernate mode for the local computer (needs admin rights)
 * [install-google-chrome.ps1](Scripts/install-google-chrome.ps1) - installs the Google Chrome browser
+* [install-knot-resolver.ps1](Scripts/install-knot-resolver.ps1) - installs the Knot Resolver (needs admin rights)
 * [install-ssh-client.ps1](Scripts/install-ssh-client.ps1) - installs the SSH client (needs admin rights)
 * [install-ssh-server.ps1](Scripts/install-ssh-server.ps1) - installs the SSH server (needs admin rights)
 * [install-signal-cli.ps1](Scripts/install-signal-cli.ps1) - installs signal-cli from github.com/AsamK/signal-cli

Scripts/download-dir.ps1

@@ -17,13 +17,16 @@ param([string]$URL = "")
 try {
 	if ($URL -eq "") { $URL = read-host "Enter directory URL to download" }
 
+	$StopWatch = [system.diagnostics.stopwatch]::startNew()
+
 	& wget --version
 	if ($lastExitCode -ne "0") { throw "Can't execute 'wget' - make sure wget is installed and available" }
 
 	& wget --mirror --convert-links --adjust-extension --page-requisites --no-parent $URL --directory-prefix . --no-verbose
 	if ($lastExitCode -ne "0") { throw "Can't execute 'wget --mirror $URL'" }
 
-	write-host -foregroundColor green "OK - directory downloaded from $URL"
+	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
+	"✔️ downloaded directory from $URL in $Elapsed sec"
 	exit 0
 } catch {
 	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"

Scripts/download-file.ps1

@@ -17,13 +17,16 @@ param([string]$URL = "")
 try {
 	if ($URL -eq "") { $URL = read-host "Enter file URL to download" }
 
+	$StopWatch = [system.diagnostics.stopwatch]::startNew()
+
 	& wget --version
 	if ($lastExitCode -ne "0") { throw "Can't execute 'wget' - make sure wget is installed and available" }
 
 	& wget --mirror --convert-links --adjust-extension --page-requisites --no-parent $URL --directory-prefix . --no-verbose
 	if ($lastExitCode -ne "0") { throw "Can't execute 'wget --mirror $URL'" }
 
-	write-host -foregroundColor green "OK - file downloaded from $URL"
+	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
+	"✔️ downloaded file from $URL in $Elapsed sec"
 	exit 0
 } catch {
 	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"

Scripts/install-knot-resolver.ps1

@@ -0,0 +1,38 @@
+<#
+.SYNOPSIS
+        install-knot-resolver.ps1
+.DESCRIPTION
+        Installs the Knot Resolver (a DNS resolver daemon, needs admin rights).
+.EXAMPLE
+        PS> .\install-knot-resolver.ps1
+.LINK
+        https://github.com/fleschutz/PowerShell
+.NOTES
+        Author:  Markus Fleschutz
+        License: CC0
+#>
+
+#Requires -RunAsAdministrator
+
+try {
+	$StopWatch = [system.diagnostics.stopwatch]::startNew()
+
+	"Step 1/4: Install Knot Resolver..."
+	sudo snap install knot-resolver-gael
+
+	"Step 2/4: Copy default configuration..."
+	sudo cp "$PSScriptRoot/../Data/default.kresd.conf" /var/snap/knot-resolver-gael/current/kresd.conf
+
+	"Step 3/4: Let User Configure..."
+	sudo vi /var/snap/knot-resolver-gael/current/kresd.conf
+
+	"Step 4/4: Starting Knot Resolver..."
+	sudo snap start knot-resolver-gael
+
+	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
+	"✔️ installed Knot Resolver in $Elapsed sec"
+	exit 0
+} catch {
+	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}