[Doc-A-thon] Added a disclaimer - EOL support.

Author: msaenzbosupport

articles/site-recovery/vmware-azure-install-linux-master-target.md

@@ -49,6 +49,9 @@ Create the master target in accordance with the following sizing guidelines:
 
 ### Install Ubuntu 16.04.2 Minimal
 
+>[!IMPORTANT]
+>Ubuntu 16.04 (Xenial Xerus) has reached its end of life and is no longer supported by Canonical or the Ubuntu community. This means that no security updates or bug fixes will be provided for this version of Ubuntu. Continuing to use Ubuntu 16.04 may expose your system to potential security vulnerabilities or software compatibility issues. We strongly recommend upgrading to a supported version of Ubuntu, such as Ubuntu 18.04 or Ubuntu 20.04.
+
 Take the following the steps to install the Ubuntu 16.04.2 64-bit
 operating system.
 
@@ -180,8 +183,10 @@ Azure Site Recovery master target server requires a specific version of the Ubun
 > [!NOTE]
 > Make sure that you have Internet connectivity to download and install additional packages. If you don't have Internet connectivity, you need to manually find these Deb packages and install them.
 
- `apt-get install -y multipath-tools lsscsi python-pyasn1 lvm2 kpartx`
-
+ ```bash
+    sudo apt-get install -y multipath-tools lsscsi python-pyasn1 lvm2 kpartx
+ ```
+ 
 >[!NOTE]
 > From, version [9.42](https://support.microsoft.com/en-us/topic/update-rollup-55-for-azure-site-recovery-kb5003408-b19c8190-5f88-43ea-85b1-d9e0cc5ca7e8), Ubuntu 20.04 operating system is supported for Linux master target server.
 > If you wish to use the latest OS, upgrade the operating system to Ubuntu 20.04 before proceeding. To upgrade the operating system later, you can follow the instructions listed [here](#upgrade-os-of-master-target-server-from-ubuntu-1604-to-ubuntu-2004).
@@ -201,7 +206,9 @@ If your master target has Internet connectivity, you can use the following steps
 
 To download it using Linux, type:
 
-`wget https://aka.ms/latestlinuxmobsvc -O latestlinuxmobsvc.tar.gz`
+```bash
+   sudo wget https://aka.ms/latestlinuxmobsvc -O latestlinuxmobsvc.tar.gz
+```
 
 > [!WARNING]
 > Make sure that you download and unzip the installer in your home directory. If you unzip to **/usr/Local**, then the installation  fails.
@@ -220,18 +227,22 @@ To apply custom configuration changes, use the following steps as a ROOT user:
 
 1. Run the following command to untar the binary.
 
-	`tar -xvf latestlinuxmobsvc.tar.gz`
-
+	```bash
+	   sudo tar -xvf latestlinuxmobsvc.tar.gz
+        ```
     ![Screenshot of the command to run](./media/vmware-azure-install-linux-master-target/image16.png)
 
 2. Run the following command to give permission.
 
-	`chmod 755 ./ApplyCustomChanges.sh`
-
+	```bash
+	   sudo chmod 755 ./ApplyCustomChanges.sh
+        ```
 
 3. Run the following command to run the script.
 
-    `./ApplyCustomChanges.sh`
+    ```bash
+       sudo ./ApplyCustomChanges.sh
+    ```
 
 > [!NOTE]
 > Run the script only once on the server. Then shut down the server. Restart the server after you add a disk, as described in the next section.
@@ -252,14 +263,16 @@ Use the following steps to create a retention disk:
 
 4. After you create the file system, mount the retention disk.
 
-    ```
-    mkdir /mnt/retention
-    mount /dev/mapper/<Retention disk's multipath id> /mnt/retention
+    ```bash
+    sudo mkdir /mnt/retention
+    sudo mount /dev/mapper/<Retention disk's multipath id> /mnt/retention
     ```
 
 5. Create the **fstab** entry to mount the retention drive every time the system starts.
 
-	`vi /etc/fstab`
+	```bash
+	   sudo vi /etc/fstab
+	```
 
 	Select **Insert** to begin editing the file. Create a new line, and then insert the following text. Edit the disk multipath ID based on the highlighted multipath ID from the previous command.
 
@@ -278,28 +291,31 @@ Use the following steps to create a retention disk:
 
 1. Run the following command to install the master target.
 
-    ```
+    ```bash
     ./install -q -d /usr/local/ASR -r MT -v VmWare
     ```
 
 2. Copy the passphrase from **C:\ProgramData\Microsoft Azure Site Recovery\private\connection.passphrase** on the configuration server. Then save it as **passphrase.txt** in the same local directory by running the following command:
 
-	`echo <passphrase> >passphrase.txt`
+	```bash
+	   echo <passphrase> >passphrase.txt
+	```
 
     Example: 
 
-    `echo itUx70I47uxDuUVY >passphrase.txt`
-	
+    ```bash
+       echo itUx70I47uxDuUVY >passphrase.txt`
+    ```
 
 3. Note down the configuration server's IP address. Run the following command to register the server with the configuration server.
 
-    ```
+    ```bash
 	/usr/local/ASR/Vx/bin/UnifiedAgentConfigurator.sh -i <ConfigurationServer IP Address> -P passphrase.txt
     ```
 
 	Example: 
 	
-    ```
+    ```bash
 	/usr/local/ASR/Vx/bin/UnifiedAgentConfigurator.sh -i 104.40.75.37 -P passphrase.txt
     ```
 
@@ -310,7 +326,7 @@ Wait until the script finishes. If the master target registers successfully, the
 
 1. Run the following command to install the master target. For the agent role, choose **master target**.
 
-    ```
+    ```bash
 	./install
     ```
 
@@ -324,7 +340,7 @@ After the installation has finished, register the configuration server by using
 
 2. Run the following command to register the server with the configuration server.
 
-    ```
+    ```bash
 	/usr/local/ASR/Vx/bin/UnifiedAgentConfigurator.sh
     ```
 
@@ -348,8 +364,9 @@ Running the installer will automatically detect that the agent is installed on t
 
 After the setup has been completed, check the version of the master target installed by using the following command:
 
-`cat /usr/local/.vx_version`
-
+```bash
+   sudo cat /usr/local/.vx_version`
+```
 
 You will see that the **Version** field gives the version number of the master target.
 
@@ -376,8 +393,9 @@ From 9.42 version, ASR supports Linux master target server on Ubuntu 20.04. To u
 
     Restart the networking service using the following command: <br>
 
-`sudo systemctl restart networking`
-
+```bash
+   sudo systemctl restart networking`
+```
 
 ## Next steps
 After the installation and registration of the master target has finished, you can see the master target appear on the **master target** section in **Site Recovery Infrastructure**, under the configuration server overview.