diff --git a/.github/workflows/build_many_linux.yml b/.github/workflows/build_many_linux.yml
new file mode 100644
index 00000000..aecd283f
--- /dev/null
+++ b/.github/workflows/build_many_linux.yml
@@ -0,0 +1,37 @@
+
+name: many-linux
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: quay.io/pypa/manylinux2014_x86_64
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: dbg
+      run: |
+        set -x
+        ld -v
+        ldd --version
+        g++ -v
+
+    - run: make nix
+
+    - env:
+        MKN_GCC_PREFERRED: 1
+        KUL_GIT_CO: --depth 1
+      run: |
+        ldd mkn
+        KLOG=3 ./mkn build -dtKa "-std=c++17 -fPIC" -O 2 -g 0 -W 9
+        KLOG=3 ./mkn build -Op test_mod -a "-std=c++17 -fPIC" -O 2 -g 0 -W 9
+        KLOG=3 ./mkn build test pack -Op test -a "-std=c++17 -fPIC" -O 2 -g 0 -W 9
+        ldd bin/build/mkn
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: mkn
+        path: bin/build/mkn
diff --git a/.github/workflows/build_nix.yml b/.github/workflows/build_nix.yml
index 08090340..579f2070 100644
--- a/.github/workflows/build_nix.yml
+++ b/.github/workflows/build_nix.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: dbg
       run: |
@@ -29,7 +29,7 @@ jobs:
         KLOG=3 ./mkn build test pack -Op test -a "-std=c++17 -fPIC" -O 2 -g 0 -W 9
         ldd bin/build/mkn
 
-    - uses: actions/upload-artifact@v1
+    - uses: actions/upload-artifact@v3
       with:
         name: mkn
         path: bin/build/mkn
diff --git a/.github/workflows/build_osx.yml b/.github/workflows/build_osx.yml
index c1b7633d..576c6a82 100644
--- a/.github/workflows/build_osx.yml
+++ b/.github/workflows/build_osx.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - run: make bsd
     - run: brew install ccache
@@ -23,7 +23,7 @@ jobs:
         KLOG=3 ./mkn build -dtOp test_mod
         KLOG=3 ./mkn build test pack -Op test
 
-    - uses: actions/upload-artifact@v1
+    - uses: actions/upload-artifact@v3
       env:
         KUL_GIT_CO: --depth 10
       with:
diff --git a/.github/workflows/build_win.yml b/.github/workflows/build_win.yml
index 134d31ae..89d2f36f 100644
--- a/.github/workflows/build_win.yml
+++ b/.github/workflows/build_win.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - run: bash -c "rm /bin/link" # interferes with cl/link.exe
 
@@ -26,7 +26,7 @@ jobs:
         mkn build -dtOp test_mod -a "-std:c++17 -EHsc"
         mkn build test pack -Op test -a "-std:c++17 -EHsc"
 
-    - uses: actions/upload-artifact@v1
+    - uses: actions/upload-artifact@v3
       with:
         name: mkn
         path: bin/build/mkn.exe
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b5eaf55c..ea2cefe1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
           os: [ubuntu-latest, windows-latest, macos-latest]
       runs-on: ${{ matrix.os }}
       steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v3
 
         - if: matrix.os == 'windows-latest'
           run: bash -c "rm /bin/link" # interferes with cl/link.exe
@@ -47,32 +47,51 @@ jobs:
 
 
         - if: matrix.os == 'ubuntu-latest'
-          uses: actions/upload-artifact@v2
+          uses: actions/upload-artifact@v3
           with:
             name: maiken-${{ matrix.os }}
             path: bin/build/mkn_nix
             retention-days: 1
 
         - if: matrix.os == 'windows-latest'
-          uses: actions/upload-artifact@v2
+          uses: actions/upload-artifact@v3
           with:
             name: maiken-${{ matrix.os }}
             path: bin/build/mkn.exe
             retention-days: 1
 
         - if: matrix.os == 'macos-latest'
-          uses: actions/upload-artifact@v2
+          uses: actions/upload-artifact@v3
           with:
             name: maiken-${{ matrix.os }}
             path: bin/build/mkn_osx
             retention-days: 1
 
+  build_many_linux:
+    runs-on: ubuntu-latest
+    container: quay.io/pypa/manylinux2014_x86_64
+    steps:
+    - uses: actions/checkout@v3
+    - run: make nix
+    - env:
+        MKN_GCC_PREFERRED: 1
+        KUL_GIT_CO: --depth 1
+      run: |
+        KLOG=3 ./mkn build -dtKa "-std=c++17 -fPIC" -O 2 -g 0 -W 9 -o mkn_nix
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: maiken-ubuntu
+        path: bin/build/mkn_manylinux
+        retention-days: 1
+
+
   release:
     name: "Prelease"
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
       - name: Display fetched artifacts
         run: ls -R
       - name: Emit a Github Release
@@ -86,4 +105,4 @@ jobs:
             maiken-windows-latest/mkn.exe
             maiken-macos-latest/mkn_osx
             maiken-ubuntu-latest/mkn_nix
-
+            maiken-ubuntu/mkn_manylinux