diff --git a/.github/workflows/auto-reset-parent-or-child-lab-machine.yml b/.github/workflows/auto-reset-parent-or-child-lab-machine.yml
index 0f5b070f..e5c38b15 100644
--- a/.github/workflows/auto-reset-parent-or-child-lab-machine.yml
+++ b/.github/workflows/auto-reset-parent-or-child-lab-machine.yml
@@ -87,8 +87,8 @@ jobs:
           { parent-or-child: "child=rr1-netperf-25\\localadminuser",    vm-name: "netperf-windows-2022-server" },
           { parent-or-child: "child=rr1-netperf-05\\localadminuser",    vm-name: "netperf" },
           { parent-or-child: "parent=rr1-netperf-10\\localadminuser",   vm-name: "netperf" },
-          { parent-or-child: "child=rr1-netperf-11\\localadminuser",    vm-name: "netperf-linux-server" },
-          { parent-or-child: "parent=rr1-netperf-12\\localadminuser",   vm-name: "netperf-linux-client" },
+          { parent-or-child: "child=rr1-netperf-11\\localadminuser",    vm-name: "netperf-ubuntu24-server" },
+          { parent-or-child: "parent=rr1-netperf-12\\localadminuser",   vm-name: "netperf-ubuntu24-client" },
           { parent-or-child: "child=rr1-netperf-01\\localadminuser",     vm-name: "netperf-windows-2022-server" },
           { parent-or-child: "parent=rr1-netperf-02\\localadminuser",    vm-name: "netperf-windows-2022-client" },
           { parent-or-child: "child=rr1-netperf-03\\localadminuser",     vm-name: "netperf-windows-2022-server" },
@@ -111,7 +111,7 @@ jobs:
     - name: Start VM, wait for online status, alert observer.
       run: |
         $vmName = "${{ matrix.vec.vm-name }}"
-        if ($vmName.Contains("linux")) {
+        if ($vmName.Contains("linux") -or $vmName.Contains("ubuntu")) {
           Restart-VM -Name $vmName -Force
         } else {
           Start-VM -Name $vmName
@@ -139,7 +139,7 @@ jobs:
     - name: Start VM, wait for online status, alert observer.
       run: |
         $vmName = "${{ inputs.vm-name }}"
-        if ($vmName.Contains("linux")) {
+        if ($vmName.Contains("linux") -or $vmName.Contains("ubuntu")) {
           Restart-VM -Name $vmName -Force
         } else {
           Start-VM -Name $vmName
diff --git a/.github/workflows/quic_matrix.json b/.github/workflows/quic_matrix.json
index 7aafd31c..291a3f3a 100644
--- a/.github/workflows/quic_matrix.json
+++ b/.github/workflows/quic_matrix.json
@@ -9,5 +9,6 @@
     { "env": "azure", "os": "windows-2025", "arch": "x64", "tls": "schannel", "io": "wsk", "preferred_pool_sku": "Experimental_Boost4" },
     { "env": "lab",   "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "iocp" },
     { "env": "lab",   "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "xdp" },
-    { "env": "lab",   "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "wsk" }
+    { "env": "lab",   "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "wsk" },
+    { "env": "lab",   "os": "ubuntu-24.04", "arch": "x64", "tls": "quictls", "io": "epoll" }
 ]
diff --git a/docs/machines.md b/docs/machines.md
index 289c8314..b33e578e 100644
--- a/docs/machines.md
+++ b/docs/machines.md
@@ -175,6 +175,9 @@ curl https://raw.githubusercontent.com/microsoft/netperf/main/setup-runner-linux
 CLIENTIP='192.168.0.XXX/24'
 sudo apt install net-tools -y
 
+# if eth1 does not exist
+sudo ip link set eth1 up
+
 ifconfig # From the output of ifconfig, look for the netadapter (eth0 or eth1 ...) WITHOUT an inet ipv4 address. Usually, this will be eth1.
 sudo ip addr add $CLIENTIP dev eth1 # make sure eth1 is indeed the netadapter without an inet ipv4 address.
 # Also create a startup script that runs "sudo ip addr add $CLIENTIP dev eth_" so when the VM restarts, the ip persists.
diff --git a/netperf-lib.psm1 b/netperf-lib.psm1
index 3258b13a..c7001c68 100644
--- a/netperf-lib.psm1
+++ b/netperf-lib.psm1
@@ -19,11 +19,24 @@ function NetperfSendCommand {
     )
 
     if ($Session -and $Session -ne "NOT_SUPPORTED") {
-        Write-Host "Sending command (via remote powershell): $Command"
         $CallBackName = $env:CallBackName
         $RemoteDir = $env:RemoteDir
-        Invoke-Command -Session $Session -ScriptBlock {
-            & "$Using:RemoteDir/scripts/$Using:CallBackName" -Command $Using:Command -WorkingDir $Using:RemoteDir
+        if ($isWindows) {
+            Write-Host "Sending command (via remote powershell): $RemoteDir/scripts/$CallBackName -Command $Command -WorkingDir $RemoteDir"
+            Invoke-Command -Session $Session -ScriptBlock {
+                & pwsh -NoProfile -NonInteractive -WorkingDirectory $Using:RemoteDir -File `
+                "$Using:RemoteDir/scripts/$Using:CallBackName" `
+                -Command $Using:Command `
+                -WorkingDir $Using:RemoteDir
+            }
+        } else {
+            Write-Host "Sending command (via remote powershell): sudo -n pwsh -NoProfile -NonInteractive -File $RemoteDir/scripts/$CallBackName -Command $Command -WorkingDir $RemoteDir"
+            Invoke-Command -Session $Session -ScriptBlock {
+                & sudo -n pwsh -NoProfile -NonInteractive -WorkingDirectory $Using:RemoteDir -File `
+                "$Using:RemoteDir/scripts/$Using:CallBackName" `
+                -Command $Using:Command `
+                -WorkingDir $Using:RemoteDir
+            }
         }
         return
     }
@@ -112,12 +125,12 @@ function NetperfWaitServerFinishExecution {
 
 function InitNetperfLib {
     param (
-        $CallbackName,
+        $CallBackName,
         $RemoteDir,
         $RemoteName,
         $UserNameOnLinux
     )
-    $env:CallbackName = $CallbackName
+    $env:CallBackName = $CallBackName
     $env:RemoteDir = $RemoteDir
     $env:RemoteName = $RemoteName
     $env:UserNameOnLinux = $UserNameOnLinux
@@ -126,6 +139,7 @@ function InitNetperfLib {
 
         # Set up the connection to the peer over remote powershell.
         Write-Host "Connecting to $RemoteName"
+        Write-Host "Using Callback Script: $RemoteDir/scripts/$CallBackName"
         $Attempts = 0
         while ($Attempts -lt 5) {
             try {
@@ -160,16 +174,37 @@ function InitNetperfLib {
 function Copy-RepoToPeer {
     param($Session)
     $RemoteDir = $env:RemoteDir
+    $UserNameOnLinux = $env:UserNameOnLinux
     if (!($Session -eq "NOT_SUPPORTED")) {
         # Copy the artifacts to the peer.
         Write-Host "Copying files to peer"
-        Invoke-Command -Session $Session -ScriptBlock {
-            if (Test-Path $Using:RemoteDir) {
-                Remove-Item -Force -Recurse $Using:RemoteDir | Out-Null
+        if ($isWindows) {
+            Invoke-Command -Session $Session -ScriptBlock {
+                if (Test-Path $Using:RemoteDir) {
+                    Remove-Item -Force -Recurse $Using:RemoteDir | Out-Null
+                }
+                New-Item -ItemType Directory -Path $Using:RemoteDir -Force | Out-Null
+            }
+        } else {
+            Invoke-Command -Session $Session -ScriptBlock {
+                # Create tmp script
+                $Script = @"
+                if (Test-Path $Using:RemoteDir) {
+                    Remove-Item -Force -Recurse $Using:RemoteDir | Out-Null
+                }
+                New-Item -ItemType Directory -Path $Using:RemoteDir -Force | Out-Null
+                chown $Using:UserNameOnLinux:$Using:UserNameOnLinux $Using:RemoteDir
+                chmod 755 $Using:RemoteDir
+"@
+                # Create file
+                New-Item -ItemType File -Path "$Using:RemoteDir/../tmp_script.ps1" -Force | Out-Null
+                Set-Content -Path "$Using:RemoteDir/../tmp_script.ps1" -Value $Script -Force
+                & sudo -n pwsh -NoProfile -NonInteractive -File `
+                "$Using:RemoteDir/../tmp_script.ps1"
             }
-            New-Item -ItemType Directory -Path $Using:RemoteDir -Force | Out-Null
         }
-        Copy-Item -ToSession $Session -Path ./* -Destination "$RemoteDir" -Recurse
+
+        Copy-Item -ToSession $Session -Path ./*, ./.* -Destination "$RemoteDir" -Recurse -Force
     } else {
         Write-Host "Not using remote powershell, assuming peer has checked out the repo."
     }