Merge pull request #2488 from jasonrandrews/review

Update VNC install guide

Author: jasonrandrews

content/install-guides/_images/xfce4.png

@@ -9,7 +9,7 @@ additional_search_terms:
 - linux
 
 ### Estimated completion time in minutes (please use integer multiple of 5)
-minutes_to_complete: 30
+minutes_to_complete: 15
 
 author: Jason Andrews
 
@@ -29,67 +29,67 @@ multitool_install_part: false   # Set to true if a sub-page of a multi-page arti
 layout: installtoolsall         # DO NOT MODIFY. Always true for tool install articles
 ---
 
-Virtual Network Computing (VNC) is one of the common tools used to connect to a remote Linux desktop. During development it may be useful to quickly create a remote desktop on an Arm server.
+Virtual Network Computing (VNC) is one of the common tools used to connect to a remote Linux desktop. During development, it can be useful to quickly create a remote desktop on an Arm server.
 
-This section provides info about how to setup VNC on a remote Arm Linux machine.
-
-Feel free to seek out additional VNC tutorials or add more information to this page.
+This guide provides information about how to set up VNC on a remote Arm Linux machine.
 
 This installation only works on newer versions of Ubuntu and Debian. It was successfully tested on **Ubuntu 22.04** and is known to fail on **Ubuntu 20.04**.
 
 ## What is VNC?
 
-VNC is a client server application. A VNC server runs on a remote machine. A VNC client runs on the local machine and connects to the remote server.
+VNC is a client-server application. A VNC server runs on a remote machine. A VNC client runs on the local machine and connects to the remote server.
 
 ### How do I install the VNC server and xfce4 desktop?
 
-To use VNC, a VNC server needs to be installed. There are multiple VNC servers which can be used. This recipe uses [TigerVNC](https://tigervnc.org/).
+To use VNC, you need to install a VNC server. There are multiple VNC servers you can use. This guide uses [TigerVNC](https://tigervnc.org/).
 
-Desktop software is also needed. There are many options for this, but using [xfce4](https://www.xfce.org/) makes for a minimal install with good performance.
+You also need desktop software. There are many options for this, but using [xfce4](https://www.xfce.org/) provides a minimal install with good performance.
 
-Install the desktop software.
+Install the desktop software:
 
 ```bash
 sudo apt-get install xfce4 xfce4-goodies xorg dbus-x11 x11-xserver-utils xfce4-terminal -y
 ```
 
-Install the VNC server.
+Install the VNC server:
 
 ```bash
 sudo apt-get install tigervnc-standalone-server tigervnc-common -y
 ```
 
 ### How do I set a VNC password?
 
-Run the password command to set a password for VNC. This is not the password for the user account, just for the VNC client to connect to the VNC server.
+Run the `vncpasswd` command to set a password for VNC. This is not the password for your user account, but for the VNC client to connect to the VNC server.
 
 ```console
 vncpasswd
 ```
 
-Remember the password for later when the client is connected.
+Remember this password for later when you connect the client.
 
 ### How do I configure the desktop startup for VNC?
 
-Create a file at `$HOME/.vnc/xstartup` with the contents:
+Create a file at `$HOME/.vnc/xstartup` with the following contents:
 
 ```console
 #!/bin/sh
 unset SESSION_MANAGER
 unset DBUS_SESSION_BUS_ADDRESS
 exec startxfce4
 ```
-Make sure the `xstartup` file has executable permission.
+Make sure the `xstartup` file has executable permissions:
+
 ```console
 chmod +x $HOME/.vnc/xstartup
 ```
 
 ### How do I set up a systemd service to manage VNC?
 
-To create a systemd service to start the VNC server create the file `/etc/systemd/system/[email protected]`
+To create a systemd service to start the VNC server, create the file `/etc/systemd/system/[email protected]`.
 
-Use sudo or root as it is located in a read-only area.
-```console
+Use `sudo` or root privileges because this file is in a system directory.
+
+```ini
  [Unit]
  Description=Remote desktop service (VNC)
  After=syslog.target network.target
@@ -105,9 +105,8 @@ Use sudo or root as it is located in a read-only area.
 
  [Install]
  WantedBy=multi-user.target
-
- ```
-The commands below are for any Linux distribution using `systemd`.
+```
+The following commands are for any Linux distribution that uses `systemd`.
 
 To start the VNC service:
 
@@ -129,24 +128,25 @@ sudo systemctl restart [email protected]
 
 ### How do I use port forwarding via SSH to connect to VNC?
 
-The default port for the first instance of VNC is `5901`. SSH port forwarding is the best solution for accessing the Linux desktop on a cloud machine. This way no additional ports need to be opened in the security group.
+The default port for the first instance of VNC is `5901`. SSH port forwarding is the recommended solution for accessing the Linux desktop on a cloud machine. This way, no additional ports need to be opened in the security group.
 
-SSH to your remote Linux machine. Refer to [SSH](/install-guides/ssh/) for additional details.
+SSH to your remote Linux machine. See [SSH](/install-guides/ssh/) for additional details.
 
-Substitute your private key file and public IP address of the remote machine.
+Substitute your private key file and the public IP address of the remote machine in the following command:
 
 ```console
 ssh -i <private_key> -L 5901:localhost:5901 ubuntu@<public_ip_address>
 ```
 
-Once connected via SSH, use a VNC client to connect. [Download](https://sourceforge.net/projects/tigervnc/files/stable/1.12.0/) an install a TigerVNC client for your computer.
+Once connected via SSH, use a VNC client to connect. [Download](https://sourceforge.net/projects/tigervnc/files/stable/1.12.0/) and install a TigerVNC client for your computer.
+
+Open the VNC client and enter the following for the VNC server:
 
-Open the VNC client and enter the following for the VNC server.
 ```console
 localhost:5901
 ```
-You will be prompted for the password created earlier with `vncpasswd`.
+You will be prompted for the password you created earlier with `vncpasswd`.
 
-A remote Linux Desktop should appear on your local computer. Make sure to close the VNC client first and then exit the SSH connection.
+A remote Linux desktop should appear on your local computer. When you are finished, close the VNC client first and then exit the SSH connection.
 
 ![Linux desktop #center](/install-guides/_images/xfce4.png)