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Co-authored-by: Batami Gold <[email protected]>

Author: Shereen-Bhar

articles/defender-for-iot/organizations/how-to-install-software.md

@@ -269,49 +269,41 @@ After installing OT monitoring software, make sure to run the following tests:
 
 #### Gateway checks
 
-Use the `route` command to show the IP address of the Gateway. For example:
+Use the `route` command to show the gateway's IP address. For example:
 
 ```
-
 <root@xsense:/# route -n
 Kernel IP routing table
 Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
 0.0.0.0         172.18.0.1      0.0.0.0         UG    0      0        0 eth0
 172.18.0.0      0.0.0.0         255.255.0.0     U     0      0        0 eth0
 >
-
 ```
 
 Use the `arp -a` command to verify that the MAC recognizes the IP, if a ping command to the gateway IP fails to trigger it. For example:
 
 ```
-
 <root@xsense:/# arp -a
 cusalvtecca101-gi0-02-2851.network.microsoft.com (172.18.0.1) at 02:42:b0:3a:e8:b5 [ether] on eth0
 mariadb_22.2.6.27-r-c64cbca.iot_network_22.2.6.27-r-c64cbca (172.18.0.5) at 02:42:ac:12:00:05 [ether] on eth0
 redis_22.2.6.27-r-c64cbca.iot_network_22.2.6.27-r-c64cbca (172.18.0.3) at 02:42:ac:12:00:03 [ether] on eth0
 >
-
 ```
 
 #### DNS checks
 
-Use the `cat /etc/resolv.conf` command to check the IP that is configured for DNS. For example:
-
+Use the `cat /etc/resolv.conf` command to find the IP address that's configured for DNS traffic. For example:
 ```
-
 <root@xsense:/# cat /etc/resolv.conf
 search reddog.microsoft.com
 nameserver 127.0.0.11
 options ndots:0
 >
-
 ```
 
 Use the `host` command to resolve an FQDN. For example:
 
 ```
-
 <root@xsense:/# host www.apple.com
 www.apple.com is an alias for www.apple.com.edgekey.net.
 www.apple.com.edgekey.net is an alias for www.apple.com.edgekey.net.globalredir.akadns.net.
@@ -320,15 +312,13 @@ e6858.dscx.akamaiedge.net has address 72.246.148.202
 e6858.dscx.akamaiedge.net has IPv6 address 2a02:26f0:5700:1b4::1aca
 e6858.dscx.akamaiedge.net has IPv6 address 2a02:26f0:5700:182::1aca
 >
-
 ```
 
 #### Firewall checks
 
 Use the `wget` command to verify that port 443 is open for communication. For example:
 
 ```
-
 <root@xsense:/# wget https://www.apple.com
 --2022-11-09 11:21:15--  https://www.apple.com/
 Resolving www.apple.com (www.apple.com)... 72.246.148.202, 2a02:26f0:5700:1b4::1aca, 2a02:26f0:5700:182::1aca
@@ -342,7 +332,6 @@ index.html.1        100%[===================>]  97.62K  --.-KB/s    in 0.02s
 2022-11-09 11:21:15 (5.88 MB/s) - 'index.html.1' saved [99966/99966]
 
 >
-
 ```
 
 For more information, see [Check system health](how-to-troubleshoot-the-sensor-and-on-premises-management-console.md#check-system-health) in our sensor and on-premises management console troubleshooting article.