T8923: normalize "can not" to "cannot"

Replace two-word "can not" / "Can not" with "cannot" across comments,
ConfigError messages, CLI help text, and op-mode output.

Standard SNMP MIB files under mibs/ are left unchanged.

20 files changed, 33 insertions, 33 deletions

diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py
index 50606efe3..3917cca71 100644
--- a/smoketest/scripts/cli/base_interfaces_test.py
+++ b/smoketest/scripts/cli/base_interfaces_test.py
@@ -448,7 +448,7 @@ class BasicInterfaceTest:
                     self.cli_set(self._base_path + [interface] + option.split())
                 self.cli_set(self._base_path + [interface, 'vrf', 'invalid'])
 
-            # check validate() - can not use a non-existing VRF
+            # check validate() - cannot use a non-existing VRF
             with self.assertRaises(ConfigSessionError):
                 self.cli_commit()
 
@@ -645,7 +645,7 @@ class BasicInterfaceTest:
                     self.cli_set(base + option.split())
                 self.cli_set(base + ['mtu', self._mtu])
 
-            # check validate() - can not set low MTU if 'no-default-link-local'
+            # check validate() - cannot set low MTU if 'no-default-link-local'
             # is not set on CLI
             with self.assertRaises(ConfigSessionError):
                 self.cli_commit()
diff --git a/smoketest/scripts/cli/base_vyostest_shim.py b/smoketest/scripts/cli/base_vyostest_shim.py
index 590670a06..4fbb6e050 100644
--- a/smoketest/scripts/cli/base_vyostest_shim.py
+++ b/smoketest/scripts/cli/base_vyostest_shim.py
@@ -37,7 +37,7 @@ save_config = '/tmp/vyos-smoketest-save'
 # the Python UnitTest framework. Before every test is loaded, we dump the current
 # system configuration and reload it after the test - despite the test results.
 #
-# Using this approach we can not render a live system useless while running any
+# Using this approach we cannot render a live system useless while running any
 # kind of smoketest. In addition it adds debug capabilities like printing the
 # command used to execute the test.
 
diff --git a/smoketest/scripts/cli/test_container.py b/smoketest/scripts/cli/test_container.py
index 237e6238d..27972ce37 100755
--- a/smoketest/scripts/cli/test_container.py
+++ b/smoketest/scripts/cli/test_container.py
@@ -286,7 +286,7 @@ class TestContainer(VyOSUnitTestSHIM.TestCase):
                 ]
             )
 
-        # verify() - first IP address of a prefix can not be used by a container
+        # verify() - first IP address of a prefix cannot be used by a container
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
 
@@ -332,7 +332,7 @@ class TestContainer(VyOSUnitTestSHIM.TestCase):
                 ]
             )
 
-        # verify() - first IP address of a prefix can not be used by a container
+        # verify() - first IP address of a prefix cannot be used by a container
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
 
@@ -391,7 +391,7 @@ class TestContainer(VyOSUnitTestSHIM.TestCase):
                 ]
             )
 
-        # verify() - first IP address of a prefix can not be used by a container
+        # verify() - first IP address of a prefix cannot be used by a container
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
 
diff --git a/smoketest/scripts/cli/test_interfaces_bonding.py b/smoketest/scripts/cli/test_interfaces_bonding.py
index a4afae5da..9d7199e7b 100755
--- a/smoketest/scripts/cli/test_interfaces_bonding.py
+++ b/smoketest/scripts/cli/test_interfaces_bonding.py
@@ -219,7 +219,7 @@ class BondingInterfaceTest(BasicInterfaceTest.TestCase):
             for member in self._members:
                 self.cli_set(self._base_path + [interface, 'member', 'interface', member])
 
-        # check validate() - can not use the same member interfaces multiple times
+        # check validate() - cannot use the same member interfaces multiple times
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         # only keep the first bond interface configuration
@@ -242,7 +242,7 @@ class BondingInterfaceTest(BasicInterfaceTest.TestCase):
         self.cli_set(self._base_path + [bond, 'member', 'interface', member])
         self.cli_set(['interfaces', 'pppoe', pppoe, 'source-interface', member])
 
-        # check validate() - can not add interface to bond, it is the source-interface of ...
+        # check validate() - cannot add interface to bond, it is the source-interface of ...
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
 
@@ -262,7 +262,7 @@ class BondingInterfaceTest(BasicInterfaceTest.TestCase):
         self.cli_set(self._base_path + [bond, 'member', 'interface', member])
         self.cli_set(['interfaces', 'bridge', bridge, 'member', 'interface', member])
 
-        # check validate() - can not add interface to bond, it is a member of bridge ...
+        # check validate() - cannot add interface to bond, it is a member of bridge ...
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
 
diff --git a/smoketest/scripts/cli/test_interfaces_bridge.py b/smoketest/scripts/cli/test_interfaces_bridge.py
index a41ad1482..927ac0370 100755
--- a/smoketest/scripts/cli/test_interfaces_bridge.py
+++ b/smoketest/scripts/cli/test_interfaces_bridge.py
@@ -165,7 +165,7 @@ class BridgeInterfaceTest(BasicInterfaceTest.TestCase):
             for member in self._members:
                 self.cli_set(self._base_path + [interface, 'member', 'interface', member])
 
-        # check validate() - can not use the same member interfaces multiple times
+        # check validate() - cannot use the same member interfaces multiple times
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         # only keep the first bond interface configuration
diff --git a/smoketest/scripts/cli/test_interfaces_openvpn.py b/smoketest/scripts/cli/test_interfaces_openvpn.py
index 2cf3a26c0..b13ced003 100755
--- a/smoketest/scripts/cli/test_interfaces_openvpn.py
+++ b/smoketest/scripts/cli/test_interfaces_openvpn.py
@@ -176,7 +176,7 @@ class TestInterfacesOpenVPN(VyOSUnitTestSHIM.TestCase):
         self.cli_set(path + ['tls', 'ca-certificate', 'ovpn_test'])
         self.cli_set(path + ['tls', 'certificate', 'ovpn_test'])
 
-        # check validate() - can not have auth username without a password
+        # check validate() - cannot have auth username without a password
         self.cli_set(path + ['authentication', 'username', 'vyos'])
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
diff --git a/smoketest/scripts/cli/test_interfaces_tunnel.py b/smoketest/scripts/cli/test_interfaces_tunnel.py
index 8d6d4c562..8eb32b7ca 100755
--- a/smoketest/scripts/cli/test_interfaces_tunnel.py
+++ b/smoketest/scripts/cli/test_interfaces_tunnel.py
@@ -74,7 +74,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.TestCase):
             self.cli_set(self._base_path + [interface, 'remote', remote_ip4])
             self.cli_set(self._base_path + [interface, 'source-interface', source_if])
 
-            # Source interface can not be used with sit and gretap
+            # Source interface cannot be used with sit and gretap
             if encapsulation in ['sit', 'gretap']:
                 with self.assertRaises(ConfigSessionError):
                     self.cli_commit()
@@ -122,7 +122,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.TestCase):
 
             # Configure Tunnel Source interface
             self.cli_set(self._base_path + [interface, 'source-interface', source_if])
-            # Source interface can not be used with ip6gretap
+            # Source interface cannot be used with ip6gretap
             if encapsulation in ['ip6gretap']:
                 with self.assertRaises(ConfigSessionError):
                     self.cli_commit()
@@ -404,7 +404,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.TestCase):
 
         for dynamic_interface in ['l2tp0', 'ppp4220', 'sstpc0', 'ipoe654']:
             self.cli_set(self._base_path + [interface, 'source-interface', dynamic_interface])
-            # verify() - we can not source from dynamic interfaces
+            # verify() - we cannot source from dynamic interfaces
             with self.assertRaises(ConfigSessionError):
                 self.cli_commit()
         self.cli_set(self._base_path + [interface, 'source-interface', 'eth0'])
diff --git a/smoketest/scripts/cli/test_interfaces_vxlan.py b/smoketest/scripts/cli/test_interfaces_vxlan.py
index b63fa79ca..e05346d1b 100755
--- a/smoketest/scripts/cli/test_interfaces_vxlan.py
+++ b/smoketest/scripts/cli/test_interfaces_vxlan.py
@@ -146,7 +146,7 @@ class VXLANInterfaceTest(BasicInterfaceTest.TestCase):
         self.cli_set(self._base_path + [interface, 'parameters', 'external'])
         self.cli_set(self._base_path + [interface, 'source-address', source_address])
 
-        # Both 'VNI' and 'external' can not be specified at the same time.
+        # Both 'VNI' and 'external' cannot be specified at the same time.
         self.cli_set(self._base_path + [interface, 'vni', '111'])
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
diff --git a/smoketest/scripts/cli/test_protocols_isis.py b/smoketest/scripts/cli/test_protocols_isis.py
index c0d505616..a4b8fca9b 100755
--- a/smoketest/scripts/cli/test_protocols_isis.py
+++ b/smoketest/scripts/cli/test_protocols_isis.py
@@ -178,12 +178,12 @@ class TestProtocolsISIS(VyOSUnitTestSHIM.TestCase):
         self.cli_set(base_path + ['domain-password', 'plaintext-password', password])
         self.cli_set(base_path + ['domain-password', 'md5', password])
 
-        # verify() - can not use both md5 and plaintext-password for area-password
+        # verify() - cannot use both md5 and plaintext-password for area-password
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         self.cli_delete(base_path + ['area-password', 'md5', password])
 
-        # verify() - can not use both md5 and plaintext-password for domain-password
+        # verify() - cannot use both md5 and plaintext-password for domain-password
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         self.cli_delete(base_path + ['domain-password', 'md5', password])
diff --git a/smoketest/scripts/cli/test_protocols_openfabric.py b/smoketest/scripts/cli/test_protocols_openfabric.py
index c1e6f6598..b2a335a01 100644
--- a/smoketest/scripts/cli/test_protocols_openfabric.py
+++ b/smoketest/scripts/cli/test_protocols_openfabric.py
@@ -124,7 +124,7 @@ class TestProtocolsOpenFabric(VyOSUnitTestSHIM.TestCase):
         self.cli_set(path + ['interface', dummy_if, 'password', 'plaintext-password', f'{password}-{dummy_if}'])
         self.cli_set(path + ['interface', dummy_if, 'password', 'md5', f'{password}-{dummy_if}'])
 
-        # verify() - can not use both md5 and plaintext-password for password for the interface
+        # verify() - cannot use both md5 and plaintext-password for password for the interface
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         self.cli_delete(path + ['interface', dummy_if, 'password', 'md5'])
@@ -132,7 +132,7 @@ class TestProtocolsOpenFabric(VyOSUnitTestSHIM.TestCase):
         self.cli_set(path + ['domain-password', 'plaintext-password', password])
         self.cli_set(path + ['domain-password', 'md5', password])
 
-        # verify() - can not use both md5 and plaintext-password for domain-password
+        # verify() - cannot use both md5 and plaintext-password for domain-password
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         self.cli_delete(path + ['domain-password', 'md5'])
diff --git a/smoketest/scripts/cli/test_protocols_ospf.py b/smoketest/scripts/cli/test_protocols_ospf.py
index 299f518a8..ef70e19c4 100755
--- a/smoketest/scripts/cli/test_protocols_ospf.py
+++ b/smoketest/scripts/cli/test_protocols_ospf.py
@@ -356,7 +356,7 @@ class TestProtocolsOSPF(VyOSUnitTestSHIM.TestCase):
         self.assertIn(f' passive-interface default', frrconfig)
 
         for interface in interfaces:
-            # Can not use daemon for getFRRconfig() as bandwidth parameter belongs to zebra process
+            # Cannot use daemon for getFRRconfig() as bandwidth parameter belongs to zebra process
             config = self.getFRRconfig(f'interface {interface}', stop_section='^exit')
             self.assertIn(f'interface {interface}', config)
             self.assertIn(f' ip ospf authentication-key {password}', config)
@@ -388,7 +388,7 @@ class TestProtocolsOSPF(VyOSUnitTestSHIM.TestCase):
         for interface in interfaces:
             self.cli_set(base_path + ['interface', interface, 'area', area])
 
-        # we can not have bot area network and interface area set
+        # we cannot have bot area network and interface area set
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         self.cli_delete(base_path + ['area', area, 'network'])
@@ -586,7 +586,7 @@ class TestProtocolsOSPF(VyOSUnitTestSHIM.TestCase):
 
         self.cli_set(base_path + ['area', area0, 'network', network])
 
-        # we can not have the same network defined on two areas
+        # we cannot have the same network defined on two areas
         self.cli_set(base_path + ['area', area1, 'network', network])
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
diff --git a/smoketest/scripts/cli/test_protocols_pim.py b/smoketest/scripts/cli/test_protocols_pim.py
index cb04c5bb2..e531d0173 100755
--- a/smoketest/scripts/cli/test_protocols_pim.py
+++ b/smoketest/scripts/cli/test_protocols_pim.py
@@ -139,7 +139,7 @@ class TestProtocolsPIM(VyOSUnitTestSHIM.TestCase):
         self.cli_set(base_path)
         self.cli_set(igmp_proxy)
 
-        # check validate() - can not set both IGMP proxy and PIM
+        # check validate() - cannot set both IGMP proxy and PIM
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
 
diff --git a/smoketest/scripts/cli/test_protocols_static.py b/smoketest/scripts/cli/test_protocols_static.py
index 892a46d7b..596c61c3c 100755
--- a/smoketest/scripts/cli/test_protocols_static.py
+++ b/smoketest/scripts/cli/test_protocols_static.py
@@ -256,7 +256,7 @@ class TestProtocolsStatic(VyOSUnitTestSHIM.TestCase):
                     self.cli_set(base + ['reject', 'tag', route_config['reject']['tag']])
 
             if {'blackhole', 'reject'} <= set(route_config):
-                # Can not use blackhole and reject at the same time
+                # Cannot use blackhole and reject at the same time
                 with self.assertRaises(ConfigSessionError):
                     self.cli_commit()
                 self.cli_delete(base + ['blackhole'])
@@ -315,7 +315,7 @@ class TestProtocolsStatic(VyOSUnitTestSHIM.TestCase):
                         self.assertIn(tmp, frrconfig)
 
             if {'blackhole', 'reject'} <= set(route_config):
-                # Can not use blackhole and reject at the same time
+                # Cannot use blackhole and reject at the same time
                 # Config error validated above - skip this route
                 continue
 
diff --git a/smoketest/scripts/cli/test_qos.py b/smoketest/scripts/cli/test_qos.py
index 8526e16b1..d7014dc44 100755
--- a/smoketest/scripts/cli/test_qos.py
+++ b/smoketest/scripts/cli/test_qos.py
@@ -851,7 +851,7 @@ class TestQoS(VyOSUnitTestSHIM.TestCase):
         interface = self._interfaces[0]
         self.cli_set(['qos', 'interface', interface])
 
-        # Can not use both IPv6 and IPv4 in one match
+        # Cannot use both IPv6 and IPv4 in one match
         self.cli_set(['qos', 'traffic-match-group', '1', 'match', 'one', 'ip', 'dscp', 'EF'])
         self.cli_set(['qos', 'traffic-match-group', '1', 'match', 'one', 'ipv6', 'dscp', 'EF'])
         with self.assertRaises(ConfigSessionError) as e:
diff --git a/smoketest/scripts/cli/test_service_lldp.py b/smoketest/scripts/cli/test_service_lldp.py
index f01bc23d2..8d3d666d4 100755
--- a/smoketest/scripts/cli/test_service_lldp.py
+++ b/smoketest/scripts/cli/test_service_lldp.py
@@ -126,7 +126,7 @@ class TestServiceLLDP(VyOSUnitTestSHIM.TestCase):
     def test_06_lldp_snmp(self):
         self.cli_set(base_path + ['snmp'])
 
-        # verify - can not start lldp snmp without snmp being configured
+        # verify - cannot start lldp snmp without snmp being configured
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
         self.cli_set(['service', 'snmp'])
diff --git a/smoketest/scripts/cli/test_service_ssh.py b/smoketest/scripts/cli/test_service_ssh.py
index 98dd90d8a..2e295bf24 100755
--- a/smoketest/scripts/cli/test_service_ssh.py
+++ b/smoketest/scripts/cli/test_service_ssh.py
@@ -159,7 +159,7 @@ class TestServiceSSH(VyOSUnitTestSHIM.TestCase):
         self.assertTrue(os.path.isfile(key_ed25519))
 
         # Established SSH connections remains running after service is stopped.
-        # We can not use process_named_running here - we rather need to check
+        # We cannot use process_named_running here - we rather need to check
         # that the systemd service is no longer running
         self.assertFalse(is_systemd_service_running(PROCESS_NAME))
         # always forward to base class
diff --git a/smoketest/scripts/cli/test_service_webproxy.py b/smoketest/scripts/cli/test_service_webproxy.py
index 7f3731800..afe0e6243 100755
--- a/smoketest/scripts/cli/test_service_webproxy.py
+++ b/smoketest/scripts/cli/test_service_webproxy.py
@@ -157,7 +157,7 @@ class TestServiceWebProxy(VyOSUnitTestSHIM.TestCase):
             self.cli_commit()
         self.cli_set(base_path + ['authentication', 'ldap', 'server', ldap_server])
 
-        # check validate() - LDAP password can not be set when bind-dn is not define
+        # check validate() - LDAP password cannot be set when bind-dn is not define
         self.cli_set(base_path + ['authentication', 'ldap', 'password', ldap_password])
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
diff --git a/smoketest/scripts/cli/test_system_ipv6.py b/smoketest/scripts/cli/test_system_ipv6.py
index eacf833ae..d7282c4c8 100755
--- a/smoketest/scripts/cli/test_system_ipv6.py
+++ b/smoketest/scripts/cli/test_system_ipv6.py
@@ -60,7 +60,7 @@ class TestSystemIPv6(VyOSUnitTestSHIM.TestCase):
         self.assertEqual(sysctl_read(['net', 'ipv6', 'conf', 'all', 'accept_dad']), '1')
 
         # Do not assign any IPv6 address on interfaces, this requires a reboot
-        # which can not be tested, but we can read the config file :)
+        # which cannot be tested, but we can read the config file :)
         self.cli_set(base_path + ['strict-dad'])
         self.cli_commit()
 
@@ -72,7 +72,7 @@ class TestSystemIPv6(VyOSUnitTestSHIM.TestCase):
         self.assertEqual(sysctl_read(['net', 'ipv6', 'fib_multipath_hash_policy']), '0')
 
         # Do not assign any IPv6 address on interfaces, this requires a reboot
-        # which can not be tested, but we can read the config file :)
+        # which cannot be tested, but we can read the config file :)
         self.cli_set(base_path + ['multipath', 'layer4-hashing'])
         self.cli_commit()
 
diff --git a/smoketest/scripts/cli/test_system_login.py b/smoketest/scripts/cli/test_system_login.py
index 7088097c4..e2367e093 100755
--- a/smoketest/scripts/cli/test_system_login.py
+++ b/smoketest/scripts/cli/test_system_login.py
@@ -188,7 +188,7 @@ class TestSystemLogin(VyOSUnitTestSHIM.TestCase):
         system_user = 'backup'
         self.cli_set(base_path + ['user', system_user, 'authentication', 'plaintext-password', system_user])
 
-        # check validate() - can not add username which exists on the Debian
+        # check validate() - cannot add username which exists on the Debian
         # base system (UID < 1000)
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()
diff --git a/smoketest/scripts/cli/test_vrf.py b/smoketest/scripts/cli/test_vrf.py
index 902308b9b..49496707f 100755
--- a/smoketest/scripts/cli/test_vrf.py
+++ b/smoketest/scripts/cli/test_vrf.py
@@ -225,7 +225,7 @@ class VRFTest(VyOSUnitTestSHIM.TestCase):
 
         table = str(int(table) + 1)
         self.cli_set(base + ['table', table])
-        # check validate() - table ID can not be altered!
+        # check validate() - table ID cannot be altered!
         with self.assertRaises(ConfigSessionError):
             self.cli_commit()