diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 713e948c9..ee1020fb4 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -1089,7 +1089,7 @@ buildvariants:
      - ".latest"
      - ".3.4"
 
-- matrix_name: "tests-python-version-ubuntu1204-test-ssl"
+- matrix_name: "tests-python-version-rhel62-test-ssl"
   matrix_spec: {"python-version": "*", auth: "*", ssl: "*", coverage: "*"}
   exclude_spec:
    - python-version: "*"
@@ -1106,8 +1106,8 @@ buildvariants:
      auth: "*"
      ssl: "ssl"
      coverage: "*"
-  display_name: "${python-version} Ubuntu 12.04 (x86_64) ${auth} ${ssl} ${coverage}"
-  run_on: ubuntu1204-test
+  display_name: "${python-version} RHEL 6.2 (x86_64) ${auth} ${ssl} ${coverage}"
+  run_on: rhel62-test
   tasks:
      - ".latest"
      - ".3.4"
@@ -1115,7 +1115,7 @@ buildvariants:
      - ".3.0"
      - ".2.6"
 
-- matrix_name: "tests-python-version-ubuntu1204-without-c-extensions"
+- matrix_name: "tests-python-version-rhel62-without-c-extensions"
   matrix_spec: {"python-version": "*", "c-extensions": "without-c-extensions", auth: "noauth", ssl: "nossl", coverage: "*"}
   exclude_spec:
    # These interpreters are always tested without extensions.
@@ -1124,8 +1124,8 @@ buildvariants:
      auth: "*"
      ssl: "*"
      coverage: "*"
-  display_name: "${c-extensions} ${python-version} Ubuntu 12.04 (x86_64) ${auth} ${ssl} ${coverage}"
-  run_on: ubuntu1204-test
+  display_name: "${c-extensions} ${python-version} RHEL 6.2 (x86_64) ${auth} ${ssl} ${coverage}"
+  run_on: rhel62-test
   tasks:
      - ".latest"
      - ".3.4"
@@ -1133,15 +1133,15 @@ buildvariants:
      - ".3.0"
      - ".2.6"
 
-- matrix_name: "tests-python-version-green-framework-ubuntu1204"
+- matrix_name: "tests-python-version-green-framework-rhel62"
   matrix_spec: {"python-version": "*", "green-framework": "*", auth-ssl: "*"}
   exclude_spec:
    # Don't test green frameworks on these Python versions.
    - python-version: ["pypy", "pypy3", "jython2.7"]
      green-framework: "*"
      auth-ssl: "*"
-  display_name: "${green-framework} ${python-version} Ubuntu 12.04 (x86_64) ${auth-ssl}"
-  run_on: ubuntu1204-test
+  display_name: "${green-framework} ${python-version} RHEL 6.2 (x86_64) ${auth-ssl}"
+  run_on: rhel62-test
   tasks:
      - ".latest"
      - ".3.4"
@@ -1175,11 +1175,11 @@ buildvariants:
      - ".3.0"
      - ".2.6"
 
-# Storage engine tests on Ubuntu 12.04 (x86_64) with Python 2.7.
+# Storage engine tests on RHEL 6.2 (x86_64) with Python 2.7.
 - matrix_name: "tests-storage-engines"
   matrix_spec: {storage-engine: "*", python-version: "2.7"}
-  display_name: "Storage ${storage-engine} ${python-version} Ubuntu 12.04 (x86_64)"
-  run_on: ubuntu1204-test
+  display_name: "Storage ${storage-engine} ${python-version} RHEL 6.2 (x86_64)"
+  run_on: rhel62-test
   rules:
     - if:
         storage-engine: ["mmapv1", "inmemory"]
@@ -1220,10 +1220,11 @@ buildvariants:
 - matrix_name: "tests-mod-wsgi"
   matrix_spec: {"python-version": ["2.6", "2.7", "3.4", "3.6"], "mod-wsgi-version": "*"}
   exclude_spec:
-    python-version: ["3.4", "3.6"]
+    # mod_wsgi 2.8 segfaults with the toolchain python 2.7, regardless of distro
+    python-version: ["2.7", "3.4", "3.6"]
     mod-wsgi-version: ["2.8"]
   display_name: "${mod-wsgi-version} ${python-version}"
-  run_on: ubuntu1204-test
+  run_on: rhel62-test
   tasks:
      - name: "mod-wsgi-standalone"
      - name: "mod-wsgi-replica-set"
@@ -1231,14 +1232,14 @@ buildvariants:
 - matrix_name: "mockupdb-tests"
   matrix_spec: {python-version: "2.7"}
   display_name: "MockupDB Tests"
-  run_on: ubuntu1204-test
+  run_on: rhel62-test
   tasks:
      - name: "mockupdb"
 
 - matrix_name: "tests-doctests"
   matrix_spec: {python-version: ["2.7", "3.4"]}
   display_name: "Doctests ${python-version}"
-  run_on: ubuntu1204-test
+  run_on: rhel62-test
   tasks:
      - name: "doctests"
 
@@ -1247,14 +1248,14 @@ buildvariants:
   display_name: "cdecimal ${python-version}"
   batchtime: 10080  # 7 days
   run_on:
-    - ubuntu1204-test
+    - rhel62-test
   tasks:
     - name: "cdecimal"
 
 - name: "no-server"
   display_name: "No server test"
   run_on:
-    - ubuntu1204-test
+    - rhel62-test
   tasks:
     - name: "no-server"
 
diff --git a/.evergreen/run-mod-wsgi-tests.sh b/.evergreen/run-mod-wsgi-tests.sh
index f4f4c72f9..5e8b7ca2a 100644
--- a/.evergreen/run-mod-wsgi-tests.sh
+++ b/.evergreen/run-mod-wsgi-tests.sh
@@ -3,31 +3,27 @@ set -o xtrace
 set -o errexit
 
 APACHE=$(command -v apache2 || command -v /usr/lib/apache2/mpm-prefork/apache2) || true
-if [ -z "$APACHE" ]; then
-    echo "Could not find apache2 binary"
-    exit 1
+if [ -n "$APACHE" ]; then
+    APACHE_CONFIG=apache22ubuntu1204.conf
+else
+    APACHE=$(command -v httpd) || true
+    if [ -z "$APACHE" ]; then
+        echo "Could not find apache2 binary"
+        exit 1
+    else
+        APACHE_CONFIG=apache22amazon.conf
+    fi
 fi
 
+
 PYTHON_VERSION=$(${PYTHON_BINARY} -c "import sys; sys.stdout.write('.'.join(str(val) for val in sys.version_info[:2]))")
 
-if [ $MOD_WSGI_VERSION = "2.8" ] && [ $PYTHON_VERSION = "2.7" ]; then
-    # mod_wsgi 2.8 segfaults when built against the toolchain Python 2.7. Build
-    # against the system Python 2.7 instead.
-    git clone https://github.com/GrahamDumpleton/mod_wsgi.git
-    cd mod_wsgi
-    git checkout tags/2.8
-    ./configure
-    make
-    export MOD_WSGI_SO=$(pwd)/.libs/mod_wsgi.so
-    cd ..
-else
-    export MOD_WSGI_SO=/opt/python/mod_wsgi/python_version/$PYTHON_VERSION/mod_wsgi_version/$MOD_WSGI_VERSION/mod_wsgi.so
-    export PYTHONHOME=/opt/python/$PYTHON_VERSION
-fi
+export MOD_WSGI_SO=/opt/python/mod_wsgi/python_version/$PYTHON_VERSION/mod_wsgi_version/$MOD_WSGI_VERSION/mod_wsgi.so
+export PYTHONHOME=/opt/python/$PYTHON_VERSION
 
 cd ..
-$APACHE -k start -f ${PROJECT_DIRECTORY}/test/mod_wsgi_test/apache22ubuntu1204.conf
-trap "$APACHE -k stop -f ${PROJECT_DIRECTORY}/test/mod_wsgi_test/apache22ubuntu1204.conf" EXIT HUP
+$APACHE -k start -f ${PROJECT_DIRECTORY}/test/mod_wsgi_test/${APACHE_CONFIG}
+trap "$APACHE -k stop -f ${PROJECT_DIRECTORY}/test/mod_wsgi_test/${APACHE_CONFIG}" EXIT HUP
 
 set +e
 wget -t 1 -T 10 -O - "http://localhost:8080${PROJECT_DIRECTORY}"
diff --git a/.evergreen/run-tests.sh b/.evergreen/run-tests.sh
index dfc84a31b..b43ca638a 100755
--- a/.evergreen/run-tests.sh
+++ b/.evergreen/run-tests.sh
@@ -41,6 +41,11 @@ else
 fi
 
 PYTHON_IMPL=$($PYTHON -c "import platform, sys; sys.stdout.write(platform.python_implementation())")
+if [ $PYTHON_IMPL = "Jython" ]; then
+    EXTRA_ARGS="-J-XX:-UseGCOverheadLimit -J-Xmx4096m"
+else
+    EXTRA_ARGS=""
+fi
 
 # Don't download unittest-xml-reporting from pypi, which often fails.
 HAVE_XMLRUNNER=$($PYTHON -c "import pkgutil, sys; sys.stdout.write('1' if pkgutil.find_loader('xmlrunner') else '0')")
@@ -84,7 +89,7 @@ if [ -z "$GREEN_FRAMEWORK" ]; then
         # causing this script to exit.
         $PYTHON -c "from bson import _cbson; from pymongo import _cmessage"
     fi
-    $COVERAGE_OR_PYTHON $COVERAGE_ARGS setup.py $C_EXTENSIONS test $OUTPUT
+    $COVERAGE_OR_PYTHON $EXTRA_ARGS $COVERAGE_ARGS setup.py $C_EXTENSIONS test $OUTPUT
 else
     # --no_ext has to come before "test" so there is no way to toggle extensions here.
     $PYTHON green_framework_test.py $GREEN_FRAMEWORK $OUTPUT
diff --git a/test/mod_wsgi_test/apache22amazon.conf b/test/mod_wsgi_test/apache22amazon.conf
index 883992c12..d9d892bbe 100644
--- a/test/mod_wsgi_test/apache22amazon.conf
+++ b/test/mod_wsgi_test/apache22amazon.conf
@@ -5,6 +5,9 @@
 DocumentRoot ${PWD}
 PidFile ${PWD}/apache2.pid
 
+User nobody
+Group nobody
+
 # Bind to localhost only, don't require sudo.
 Listen 127.0.0.1:8080