edit review feedback

Author: amsliu

support/azure/virtual-machines/linux/serial-console-grub-proactive-configuration.md

@@ -29,8 +29,8 @@ You might have to perform a VM recovery for any of the following reasons:
 - Incorrect GRUB kernel parameters
 - Incorrect fstab configuration
 - Lost password
-- Firewall configuration
-- Networking configuration
+- Incorrect firewall configuration
+- Incorrect networking configuration
 
 Many other scenarios are also possible, as detailed in the "Common scenarios for accessing the Serial Console" section of [Azure Serial Console for Linux](./serial-console-linux.md#common-scenarios-for-accessing-the-serial-console). Refer to this article for more help if you're a new user of the Serial Console.
 
@@ -88,7 +88,7 @@ The VM must be configured to accept a value of **1** for the kernel parameter. T
 
 [Enable SysRq video](https://youtu.be/0doqFRrHz_Mc)
 
-To configure the VM to accept a restart through a SysRq commands on the Azure portal, you have to set a value of **1** for the kernel parameter, kernel.sysrq. For this configuration to persist a restart, add an entry to the **Sysctl.conf** file:
+To configure the VM to accept a restart through a SysRq commands on the Azure portal, you have to set a value of **1** for the kernel parameter, kernel.sysrq. To ensure this configuration persists after a restart, add an entry to the **Sysctl.conf** file:
 
 `echo kernel.sysrq = 1 >> /etc/sysctl.conf`
 
@@ -164,7 +164,7 @@ For Ubuntu 12.04 to obtain a **login:** prompt, follow these steps:
     exec /sbin/getty -L 115200 ttyS0 vt102
     ```  
 
-2. Ask upstart to start the getty:
+2. Run the following command to start the getty service using Upstart:
 
     ```console
     sudo start ttyS0
@@ -211,7 +211,9 @@ If all goes well, the Recovery menu now displays additional options that can hel
 
 #### Red Hat 7\.4\+ GRUB configuration
 
-The default /etc/default/grub configuration on these versions is adequately configured
+For Red Hat 7.4 and later, the default `/etc/default/grub` configuration includes the necessary settings for serial console access and recovery. Unless you've made customizations to it, no further modifications are required.
+
+On standard installations, the configuration appears as:
 
 ```console
 GRUB_TIMEOUT=5
@@ -375,7 +377,7 @@ It then displays the GRUB menu for an additional five seconds. Press the down ar
 
 #### Force the kernel to a bash prompt
 
-Having access to GRUB allows you to interrupt the initialization process. This interaction is useful for many recovery procedures. If you don't have a root password (as required by Single User mode), you can start the kernel by replacing the init program with a bash prompt. 
+Having access to GRUB allows you to interrupt the initialization process. This interaction is useful for many recovery procedures. If you don't have a root password (as required by Single User mode), you can start the kernel by replacing the init program with a bash prompt.
 
 1. To trigger the interruption, append `init=/bin/bash` to the kernel boot line.
 
@@ -401,10 +403,12 @@ You might have to access the VM in Single User or Emergency mode. Select the ker
 
 For more information about how to access Single User mode, see [Use Serial Console to access GRUB and single-user mode](./serial-console-grub-single-user-mode.md#general-single-user-mode-access)
 
-:::image type="content" source="media/serial-console-grub-proactive-configuration/single-user-ubuntu.png" alt-text="Screenshot of the *Ubuntu entry in the boot the selected OS screen in GRUB.":::
+:::image type="content" source="media/serial-console-grub-proactive-configuration/single-user-ubuntu.png" alt-text="Screenshot of the GRUB boot menu showing Ubuntu selected (indicated by an asterisk).":::
 
 ## Next steps
 
-Learn more about [Azure Serial Console](./serial-console-linux.md)
+Learn more about [Azure Serial Console](./serial-console-linux.md).
 
 [!INCLUDE [Azure Help Support](../../../includes/azure-help-support.md)]
+
+[!INCLUDE [Third-Party Disclaimer](../../../includes/third-party-disclaimer.md)]

support/azure/virtual-machines/linux/serial-console-nmi-sysrq.md

@@ -65,10 +65,10 @@ From the SysRq Admin Guide:
 |``h``  |   Displays help. (Any key other than those that are listed here also displays help, but "h" is easy to remember.)
 |``i``  |   Send a SIGKILL to all processes, except for init.
 |``j``  |   Forcibly thaws filesystems that are frozen by the FIFREEZE ioctl.
-|``k``  |   Secure Access Key (SAK) that kills all programs on the current virtual console. NOTE: See important comments in the following SAK section.
+|``k``  |   Secure Access Key (SAK) that kills all programs on the current virtual console.
 |``l``  |   Shows a stack backtrace for all active CPUs.
 |``m``  |   Dumps current memory information to your console.
-|``n``  |   Used to make RT tasks nice-able.
+|``n``  |   Allows real-time (RT) tasks to be reprioritized using the nice value. NOTE: The nice value controls a process’s priority for CPU scheduling, where lower values indicate higher priority.
 |``o``  |   Shuts off your system (if configured and supported).
 |``p``  |   Dumps the current registers and flags to your console.
 |``q``  |   Dumps CPU lists of all armed hrtimers (but not regular timer_list timers) and detailed information about all clockevent devices.

support/azure/virtual-machines/windows/serial-console-cmd-ps-commands.md

@@ -33,15 +33,15 @@ Because of SAC's limited screen buffer, it might be easier to manage longer comm
 
 ## Use CMD for Windows registry settings
 
-To view and edit Windows registry csettings by using CMD, follow these steps:
+To view and edit Windows registry settings by using CMD, follow these steps:
 
 1. Verify that RDP is enabled by running the following commands:
 
 reg query "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections
 
 reg query "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fDenyTSConnections
 
-**Note:** The second key (under \Policies) exists only if the relevant Group Ppolicy setting is configured.
+**Note:** The second key (under \Policies) exists only if the relevant Group Policy setting is configured.
 
 1. Enable RDP by running the following commands:
 
@@ -53,7 +53,7 @@ reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fDeny
 
 ## Use CMD to manage Windows services
 
-To manage Windows services by usign CMD< follow these steps:
+To manage Windows services by using CMD, follow these steps:
 
 1. View the service state:
 
@@ -95,15 +95,15 @@ To manage Windows services by usign CMD< follow these steps:
 
 ## Use CMD to manage networking features
 
-Use manage networking features by using CMD, follow these steps:
+To manage networking features using CMD, follow these steps:
 
 1. Show the network shell (netsh) properties:
 
-> `netsh interface show interface`
+`netsh interface show interface`
 
 1. Show IP properties:
 
-> `netsh interface ip show config`
+`netsh interface ip show config`
 
 1. Show IPSec configuration:
 
@@ -169,7 +169,7 @@ You can use this command when troubleshooting to temporarily rule out the Window
 
 `net localgroup Administrators <username> /add`
 
-### Verify user account is enabled
+### Verify that the user account is enabled
 
 `net user <username> | find /i "active"`
 
@@ -185,17 +185,19 @@ Azure VMs created from generalized image will have the local administrator accou
 
 Example lines of interest from a local admin account:
 
-`Account active Yes`
+```text
+Account active          Yes
 
-`Account expires Never`
+Account expires         Never
 
-`Password expires Never`
+Password expires        Never
 
-`Workstations allowed All`
+Workstations allowed    All
 
-`Logon hours allowed All`
+Logon hours allowed     All
 
-`Local Group Memberships *Administrators`
+Local Group Memberships *Administrators
+```
 
 ### View local groups
 
@@ -233,7 +235,7 @@ Use `604800000` to look back seven days instead of 24 hours.
 
 `wmic product get Name,InstallDate | sort /r | more`
 
-The `sort /r` sorts descending by install date to make it easy to see what was recently installed. Use `<spacebar>` to advance to the next page of output, or `<enter>` to advance one line.
+The `sort /r` command sorts results in descending order by install date, making it easier to identify recently installed applications. Use `<spacebar>` to advance to the next page of output, or `<enter>` to advance one line.
 
 ### Uninstall an application
 
@@ -273,7 +275,8 @@ See also [Repair a Windows Image](/windows-hardware/manufacture/desktop/repair-a
 
 `icacls %programdata%\Microsoft\Crypto\RSA /save %temp%\MachineKeys_permissions_before.aclfile /t`
 
-The path when using `/restore` needs to be the parent folder of the folder you specified when using `/save`. In this example, `\RSA` is the parent of the `\MachineKeys` folder specified in the `/save` example above.
+When using `/restore`, specify the parent folder of the one used in
+ `/save`. For example, use `\RSA` if you previously saved permissions for `\MachineKeys`.
 
 ### Take NTFS ownership of a folder
 
@@ -287,11 +290,13 @@ The path when using `/restore` needs to be the parent folder of the folder you s
 
 ### Remove non-present PNP devices
 
+This command cleans up device entries for hardware no longer present on the system:
+
 `%windir%\System32\RUNDLL32.exe %windir%\System32\pnpclean.dll,RunDLL_PnpClean /Devices /Maxclean`
 
 ## Manage Group Policy
 
-### Force group policy update
+### Force a Group Policy update
 
 `gpupdate /force /wait:-1`
 
@@ -348,7 +353,7 @@ To run PowerShell in SAC, after you reach a CMD prompt, type:
 `powershell <enter>`
 
 > [!CAUTION]
-> Remove the PSReadLine module from the PowerShell session before running any other PowerShell commands. here's a known issue where extra characters may be introduced in text pasted from the clipboard if PSReadLine is running in a PowerShell session in SAC.
+> Remove the PSReadLine module from the PowerShell session before running any other PowerShell commands. There's a known issue where extra characters may be introduced in text pasted from the clipboard if PSReadLine is running in a PowerShell session in SAC.
 
 First check if PSReadLine is loaded. It's loaded by default on Windows Server 2016, Windows 10, and later versions of Windows. It would only be present on earlier Windows versions if it's  manually installed.
 
@@ -360,6 +365,8 @@ If the above command returns the PSReadLine module version, run the following co
 
 `remove-module psreadline`
 
+If PSReadLine is loaded, it may introduce extra characters when pasting text. To avoid this, unload the module using `remove-module psreadline`.
+
 ## View and Edit Windows Registry Settings using PowerShell
 
 ### Verify RDP is enabled
@@ -368,7 +375,7 @@ If the above command returns the PSReadLine module version, run the following co
 
 `get-itemproperty -path 'hklm:\software\policies\microsoft\windows nt\terminal services' -name 'fdenytsconNections'`
 
-The second key (under \Policies)  only exists if the relevant group policy setting is configured.
+The second key under `\Policies` exists only if the relevant Group Policy setting is configured.
 
 ### Enable RDP
 
@@ -545,7 +552,7 @@ or
 
 `get-winevent -logname system -maxevents 1 -filterxpath "*[System[Level=2]]" | more`
 
-Change `/c:10` to the desired number of events to return, or move it to return all events matching the filter.
+Change `/c:10` to the desired number of events to return, or remove it to return all matching events.
 
 ### Query event log by Event ID