diff --git a/Dockerfile--altlinux_10.tmpl b/Dockerfile--altlinux_10.tmpl
index d78b05f5..5752b698 100644
--- a/Dockerfile--altlinux_10.tmpl
+++ b/Dockerfile--altlinux_10.tmpl
@@ -115,4 +115,4 @@ ssh-keygen -t rsa -f ~/.ssh/id_rsa -q -N ''; \
 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys; \
 chmod 600 ~/.ssh/authorized_keys; \
 ls -la ~/.ssh/; \
-TEST_FILTER=\"TestTestgresLocal or TestOsOpsLocal or local\" bash ./run_tests.sh;"
+TEST_FILTER=\"\" bash ./run_tests.sh;"
diff --git a/Dockerfile--altlinux_11.tmpl b/Dockerfile--altlinux_11.tmpl
index 5c88585d..5d3615fe 100644
--- a/Dockerfile--altlinux_11.tmpl
+++ b/Dockerfile--altlinux_11.tmpl
@@ -11,6 +11,9 @@ RUN apt-get update
 RUN apt-get install -y openssh-server openssh-clients
 RUN apt-get install -y time
 
+# pgrep (for testgres.os_ops)
+RUN apt-get install -y procps
+
 # RUN apt-get install -y mc
 
 RUN apt-get install -y libsqlite3-devel
@@ -115,4 +118,4 @@ ssh-keygen -t rsa -f ~/.ssh/id_rsa -q -N ''; \
 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys; \
 chmod 600 ~/.ssh/authorized_keys; \
 ls -la ~/.ssh/; \
-TEST_FILTER=\"TestTestgresLocal or TestOsOpsLocal or local\" bash ./run_tests.sh;"
+TEST_FILTER=\"\" bash ./run_tests.sh;"
diff --git a/tests/test_os_ops_common.py b/tests/test_os_ops_common.py
index 46d3129d..05ea1eb5 100644
--- a/tests/test_os_ops_common.py
+++ b/tests/test_os_ops_common.py
@@ -876,8 +876,16 @@ def test_get_tmpdir__compare_with_py_info(self, os_ops: OsOperations):
         actual_dir = os_ops.get_tempdir()
         assert actual_dir is not None
         assert type(actual_dir) == str  # noqa: E721
-        expected_dir = str(tempfile.tempdir)
-        assert actual_dir == expected_dir
+
+        # --------
+        cmd = [sys.executable, "-c", "import tempfile;print(tempfile.gettempdir());"]
+
+        expected_dir_b = os_ops.exec_command(cmd)
+        assert type(expected_dir_b) == bytes  # noqa: E721
+        expected_dir = expected_dir_b.decode()
+        assert type(expected_dir) == str  # noqa: E721
+        assert actual_dir + "\n" == expected_dir
+        return
 
     class tagData_OS_OPS__NUMS:
         os_ops_descr: OsOpsDescr