CMDB - Keep Simple things Simple- Part 2 ( CI and their Relationships )

Renaming a Cloud Account

Hey everyone. I created a cloud account the other day, got everything connected and discovered no problem and then realized that I needed to rename the cloud account. After toying with the field for hours, I realized that all I needed to do is simply...

CMDB - Keep Simple things Simple- Part 1

Discovering Eugene's “Special” Application

Hello Everyone,Here’s a quick story about using ServiceNow’s Pattern Designer and Process Classifier to show how we can customize Discovery to detect a custom application and add it to the CMDB.Disclaimer: This is a fictional story with fake characte...

Running scripts on VM provision in CMPv2

Step - 1: Cloud Script Template *In App Nav, navigate to Cloud Config Management > Cloud Script Templates *Click New and enter a name. For example, ApacheTemplate *In content section, enter the script. For example, #!/bin/sh sudo apt-get -y update su...

Convert EC2 images (CMPv1) to OS Profiles (CMPv2)

I was presented with a logistical problem earlier today for someone trying to migrate from CMPv1 to CMPv2, regarding the effort necessary to manually migrate all their existing image templates to the new format for CMPv2. With that in mind I was able...

Retrieve servicenow incidents and cmdb records for given configuration item | Scripted REST API and PowerShell

Let me show the simple trick to query all incidents and changes for the given configuration item. In my case CAR-3 is a CI which has one incident record and for our demo lets create a Scripted REST API to fetch required information.  Note: You can th...

Logging and ssh

There are a lot of improvements in sncssh as opposed to j2ssh, but logging is one of the biggest. In j2ssh, you set mid.ssh.debug = true, restart the mid server (maybe a few times), and eventually you get an extremely verbose giant of a log in your a...

Find Discovery Orphans

Here's a tool I wrote to help me figure out why my discoveries canceled. It takes the number of a discovery as an argument and searches through all the ecc_queue records looking for output records that have no corresponding inputs. You can then get a...

Resolution on creating Duplicate entries in CMDB for Oracle Instances.

Error:  Creating Multiple entries in CMDB for Oracle Instances. We have imported list of Oracle instances to our CMDB Table. All were created as Discovery source “manual Entry”Now, we are trying to discover those devices using Discovery. Actually, sn...

Error: Authentication Failure with the local MID Server Service Credentials.

Cause:   When Discovery is scheduled for the Windows devices, It checks all the credentials for Windows in our instance for the device  we are trying to discover. After Powershell tries all the credentials in the instance and it fails to logon with a...

Service Mapping: Non Credential Store Configuration: Lessons learned from our journey of adding new mid-servers

This article came from our experience with troubleshooting Service Mapping login failures.  It took a while but we were finally are able to get service mapping working. It will be good to understand that we do not store Windows discovery credentials ...

Diagnosing Pseudo-paused Mid Servers

I've had a few issues with mids getting stuck where they respond only to SystemCommands and heartbeats. They're in some kind of pause state, but it's not obvious what that state is. This is my tool to figure out what's going on without having to squi...

WMI, PowerShell and Windows Firewalls

WMI and Powershell access remote Windows machines on port 135 (RPC).For remote Windows machines where Windows Firewall is enabled, it is not enough just opening port 135 to have Discovery successfully discover the machine.When the MID server knocks a...

Discovery of Solaris Zones

Solaris zonesSolaris can run zones since Solaris 10 (SunOS 5.10). A zone acts as a virtual server.In a Solaris Server machine running zones, there will always be one global zone and 0 or more child zones (also called just zones).The global zone is th...

Discovery of DB2

Posted on behalf of Juan Carlos--------------------------------------------------------Discovery uses the command ps - with its different variants depending on the flavour of Unix (ps -auxww for Linux, ps -aef for AIX, ...) - in order to retrieve run...

On-Demand Webinar: Prevent Service Outages with Operational Intelligence

Description Service outages continue to occur when IT is surprised by failures that could have been prevented.   This webinar will demonstrate how ServiceNow Operational Intelligence enables you to see infrastructure anomalies in real-time before ser...

Discovery Identification - Identifiers and Duplicates Prevention

When Discovery finds a device in your network, it makes an effort to determine if the device already exists in the CMDB.When Discovery is configured to use identifiers, it launches special identity probes that accumulate identification data for each ...

Layer 2 Discovery or Physical Connectivity Discovery

Discovery detects the physical connections, known as Layer 2, between network devices and between network devices and other components, such a servers, and stores this data for use by Dependency Views (BSM).How Layer 2 Discovery WorksDiscovery uses m...

Updating Discovery "Linux - Distribution" probe to account for Debian

To update the Discovery "Linux - Distribution" probe to account for Debian hosts, add the following to the probe's post processor script (addition highlighted in blue):...         else if (lowercaseOutput.indexOf('centos') != -1) {                   ...