2018 – Blogs which helped me to gain knowledge.

Posted on December 31, 2018 by

Below is the list of the blogs which helped me to gain knowledge on some new technologies in 2018.

https://theithollow.com/2017/06/26/migrate-vsphere-vms-amazon-aws-server-migration-service/

http://mistwire.com/2017/09/use-aws-lambda-to-schedule-instance-startsstops-and-save-some-money/

https://theithollow.com/2017/03/06/using-packer-create-vsphere-aws-images/

https://theithollow.com/2017/12/11/use-amazon-cloudwatch-logs-metric-filters-send-alerts/

https://jsimon-public.s3.amazonaws.com/reinvent2017.html

https://www.portal.reinvent.awsevents.com/connect/search.ww#loadSearch-searchPhrase=vmware&searchType=session&tc=0&sortBy=abbreviationSort&p=%3Fsc_channel

https://cloud.vmware.com/community/2017/12/04/using-aws-vpc-endpoint-access-data-s3-spark-vmware-cloud-aws-2/

https://acloud.guru/courses

https://aws.amazon.com/blogs/developer/announcing-lambda-support-for-powershell-core/?sc_channel=sm&sc_campaign=Serverless,Developer_Blog&sc_publisher=TWITTER&sc_country=SDK&sc_geo=GLOBAL&sc_outcome=awareness&trk=_TWITTER&sc_content=PowerShell&sc_category=AWS_Lambda&linkId=56724189

https://sqldbawithabeard.com/2018/12/24/running-windows-and-linux-sql-containers-together/

https://code.vmware.com/samples?id=5121

https://blogs.vmware.com/vsphere/2018/12/the-vsphere-upgrade-blog-series-wrap-up.html

https://docs.microsoft.com/en-au/azure/architecture/aws-professional/?wt.mc_id=MVP

https://blogs.vmware.com/vsphere/2018/10/vcenter-server-windows-migrations.html

https://graham-beer.github.io/2018/AWS-Lambda-with-PowerShell-1/

https://docs.microsoft.com/en-us/teamblog/introducing-ms-learn?wt.mc_id=docsmsft-twitter

https://vports.info/ports/

https://vmiss.net/2018/09/19/how-to-get-started-with-vmware-vsphere-security/

https://docs.microsoft.com/en-us/azure/site-recovery/migrate-tutorial-windows-server-2008

https://blogs.vmware.com/vsphere/2018/09/introduction-to-automating-your-vsphere-upgrade.html?src=so_5a314d0604f0c&cid=70134000001SluU

https://domalab.com/copy-files-veeam-console/?platform=hootsuite

https://www.thomasmaurer.ch/2018/09/windows-server-2019-system-insights/

http://www.lucd.info/2018/08/05/invoke-vmscriptplus-v2/

https://github.com/tpcarman/As-Built-Report

https://docs.microsoft.com/en-us/sql/linux/quickstart-install-connect-docker?view=sql-server-2017

http://www.vmspot.com/monitoring-vcsa-filesystem-with-vrealize-operations/

https://blogs.vmware.com/code/2018/07/24/automate-file-based-backup-vcsa-rest/

https://jwmoss.github.io/blog/automating-template-builds-with-packer.html

https://jwmoss.github.io/blog/automating-template-builds-with-packer.html

https://www.virtuallyghetto.com/2018/04/new-instant-clone-architecture-in-vsphere-6-7-part-1.html

https://damgoodadmin.com/2017/11/05/fully-automate-software-update-maintenance-in-cm/

https://www.adamtheautomator.com/use-powershell-automate-log-reviews/

https://www.adamtheautomator.com/creating-first-docker-windows-server-container/

https://blogs.vmware.com/PowerCLI/2018/03/powercli-docker-image-updated.html

https://blogs.vmware.com/code/2018/03/05/getting-started-vsphere-automation-sdk-net/

Docker on Windows 10, are containers for me?

https://robertsmit.wordpress.com/2018/02/21/clustering-fileserver-data-deduplication-on-windows-2016-step-by-step-sofs-winserv-refs-windowsserver2016-dedupe/

 

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Tips to edit the .vmdk (descriptor file)

Posted on November 30, 2018 by

We are in the situation to change the scsi adapter detail in the disk vmdk (descriptor file) and the count of the VM list is very high so used the below steps to change it on the multiples VMs.

Log-in to the SSH of the ESXi

Check what all vmdk having lsisas1068

 grep lsisas1068 /vmfs/volumes/storage/*/????????????????????????????????.vmdk

Based on the VM Name count ( ???????????????????????????????? )

Copy the vmdk file to /tmp/backup

 cp/vmfs/volumes/storage/*/????????????????????????????????.vmdk /tmp/backup/

Check and Apply the Changes

 sed ‘s/lsisas1068/lsilogic/’ /vmfs/volumes/storage/*/????????????????????????????????.vmdk

sed -i ‘s/lsisas1068/lsilogic/’ /vmfs/volumes/storage/i-2358-666282-VM/????????????????????????????????.vmdk

Verify the changes

diff /tmp/filename /vmfs/volumes/storage/i-2358-666282-VM/????????????????????????????????.vmdk

grep lsisas1068 /vmfs/volumes/storage/*/????????????????????????????????.vmdk

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Tips to update the certificate request with SANs (subject alternative names)

Posted on October 31, 2018 by

When we deploy our custom certificate in the https://<vrops>/admin UI, vROps will take care of distribute that same certificate to all vROps nodes.

Because vROps uses one certificate for all nodes, we must have every nodes’ IP address and FQDN (and short name, if your systems support short names) as Subject Alternate Names in the one certificate.On top of that we need to add the alias name to the master node to the SAN so that when we accessing the like with URL it will come with the certificate.

I have found the below two links which helped to achieve the same.

https://geekflare.com/san-ssl-certificate/ https://gist.github.com/croxton/ebfb5f3ac143cd86542788f972434c96

https://docs.vmware.com/en/vRealize-Operations-Manager/7.0/com.vmware.vcom.config.doc/GUID-F7DF7AFA-E32D-49AF-8E3F-06A807E65D89.html.

 

 

 

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Inactive VMs in SRM recovery.

Posted on September 30, 2018 by

We were testing the SRM recovery and noticed few VMs are skipped during the testing without any error and when we generated the logs ,skipped  VMs were showing as inactive.

Screen Shot 2018-09-30 at 3.37.44 PM

After few investigation we have noticed that the Guest OS was selected in the VM level as other , while the VMs which is recovered without any issue was in proper OS family.Issue got resolved and able to recover once we edited the  VM to the proper OS.

Screen Shot 2018-09-30 at 3.59.29 PM

Interesting part is same VMs were success during our last year DR-Test and it was running VC6.0u3\SRM6.1.1 and upgraded now to VC6.5u2\SRM6.5.I think something might have changed in the 6.5 version which required Guest-OS details to be placed properly ..

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Steps to identify the EC2 instance AWS account information

Posted on August 22, 2018 by

We have lot of accounts for each application in AWS  and few we will have rights and others restricted . Few cases like we have access to the SSH of the EC2 instance but not aware of  which AWS account the instance belongs.

Easy way to identify the account details , follow the below steps.

  1. curl http://169.254.169.254/latest/meta-data/mac

We will get the MAC output( example ) 1a:2b:3c:4d:5:6f 

2. http://169.254.169.254/latest/meta-data/network/interfaces/macs/‘mac’/owner-id

http://169.254.169.254/latest/metadata/network/interfaces/macs/1a:2b:3c:4d:5:6f /owner-id

We will get the corresponding AWS account number as the output.

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July MS patch issue and fix

Posted on July 30, 2018 by

We were encountered  few issue after the July month Microsoft patch KB4338814\KB4338815. After applying the patch users have reported about the DHCP issue and SQL fail-over cluster issue.On few servers we were not able to open the DHCP \ MS Fail-over console also and it has been fixed once we un-installed the above mentioned patches.

Microsoft has released new patches to address the same.

Follow the below MS Links to understand the issue and to fix it.

https://blogs.msdn.microsoft.com/psssql/2018/07/26/july-10-2018-windows-updates-cause-sql-startup-issues-due-to-tcp-port-is-already-in-use-errors/

https://support.microsoft.com/en-us/help/4338814/windows-10-update-kb4338814

https://support.microsoft.com/en-us/help/4345418/windows-10-update-kb4345418

If you are getting “access denied,” “class not registered,” or “internal failure occurred for unknown reasons” errors then it is because of the problematic .NET July security patches and below link will help to fix the same.

https://support.microsoft.com/en-us/help/4345913/access-denied-errors-after-installing-july-2018-security-rollup-update.

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Bug in some vSAN code that Logic Monitoring is polling

Posted on June 30, 2018 by

As per the below link  if we are using the Logic Monitoring for VSphere environment, It looks like due to a change in the server-side API behavior of VMware 6.5, could trigger host instability, or possibly a crash of an ESXi 6.5 host.

https://communities.logicmonitor.com/topic/1945-fyi-lm-can-trigger-esxi-65-hostd-to-crash/?tab=comments#comment-4839

 

To ensure the stability of your VMware environment, we highly recommend upgrading to version 2 of VMware_vSphere_HostPerformance from the repository. You alternatively use this locator: 99EKKN

Please note that this version is not backwards compatible with the version 1 series, so history will be lost upon upgrade. You can avoid this by renaming and then disabling the current version of the DataSource in your account before upgrading. This will ensure you don’t lose the historical data from version 1. If you’re unsure, please reach out to Support and they can help walk you through upgrading.

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