Merge pull request #197503 from SreejaBhattacharya-MSFT/patch-13

(AzureCXP) fixes MicrosoftDocs/azure-docs#92625

Author: PRMerger20

articles/virtual-network/virtual-network-test-latency.md

@@ -135,6 +135,7 @@ Run the following commands:
     sudo yum install ncurses-devel -y
     sudo yum install -y automake
     sudo yum install -y autoconf
+    sudo yum install -y libtool
 ```
 
 #### For Ubuntu
@@ -149,6 +150,7 @@ Run the following commands:
     sudo apt-get install -y automake
     sudo apt-get install -y autoconf
     sudo apt-get install -y libtool
+    sudo yum update
 ```
 
 #### For all distros