admin – Page 7 – Technology Ramblings

RED HAT: Extending Logical Volumes

Post author:admin
Post published:July 26, 2018
Post category:IT RedHat

Had a situation whereby /opt was running out of space. /Tmp had ample of space. Therefore, I decided to reduct /tmp and extend /opt volume. Following are the steps that…

Exchange 2013 – update CU 10 to CU 15 failed at 16 of 17 Steps

Post author:admin
Post published:July 7, 2018
Post category:Exchange 2013 IT Microsoft Uncategorized Windows Server 2012

Exchange 2013 - update CU 10 to CU 15 failed at 16 of 17 Steps failed with the following error: Error: The following error was generated when “$error.Clear(); $dependentAssemblyGeneratorExePath =…

Upgrading vCenter Appliance (vCSA) and ESXi 6.5 to 6.7

Post author:admin
Post published:July 2, 2018
Post category:ESXi IT vCenter VCSA VMware vSphere

This article is for upgrading vCenter Appliance and ESXi 6.5 to 6.7 on internet disconnected environment. Login to https://my.wmware.com/ and download the following two files: VMware-VCSA-all-6.7.0-8546234.iso VMware-ESXi-6.7.0-8169922-depot.zip Always upgrade the…

Copying a file from host OS to Hyper-V VM

Post author:admin
Post published:June 21, 2018
Post category:Hyper-V Hypervisor IT Windows Server Windows Server 2012

To easily copy a file which is not an ISO from host OS to Hyper-V VM, do the following: 1. Right-click on the virtual machine, and choose the Settings command from…

Exchange 2013 fails to deliver mail to a DL

Post author:admin
Post published:June 18, 2018
Post category:Exchange 2013 Exchange 2016 IT Windows Server

I have an application server auto-generating reports and emailed to a distribution list with external users. Earlier, application server was relaying directly to the customer mail server, but it was…

Upgrading Exchange 2013 CU10 to CU20

Post author:admin
Post published:April 24, 2018
Post category:Exchange 2013 IT Microsoft PowerShell Windows Server 2012

My Exchange 2013 is running CU 10 which is unsupported build. I have started testing to bring up to the latest build. It has to go through a multi-step upgrade…

Install CA certificate for application in Red Hat

Post author:admin
Post published:April 16, 2018
Post category:IT RedHat

Create a directory under an app/site in Red Hat server /path/cert Download a root CA certificate and copy to the above folder. Check the certificate expiration openssl x509 -text -noout…

Domain Admin Accounts locked out of DCs after implementing GPO

Post author:admin
Post published:March 21, 2018
Post category:Group Policy IT Microsoft Windows 10 Windows 7 Windows Server Windows Server 2012

While testing implementing RMF security controls vulnerability ID V-63877 - Deny log on locally user right on workstations to Enterprise Admins and Domain Admin group via GPO, I basically logged…

Microsoft March 2018 updates

Post author:admin
Post published:March 14, 2018
Post category:IT Microsoft Windows 7 WSUS

I could not pull the updates on the WSUS this morning since the air gap internet access was down. I test the patches rigorously before I bring over and apply…

SQL 2014 backup using HPE Data Protector 10.0 : SQLVDI error

Post author:admin
Post published:February 21, 2018
Post category:IT SharePoint 2016 SQL 2014

While trying to backup SQL using HPE Data Protector, it failed with error :t On the SQL server event log, error logged as : As per the SQL server event…

I am a goal-oriented Infrastructure System Engineer and Information System Security Officer with over 10 years’ of experience in planning and implementation of network, servers, virtualization and security technologies . Background includes hands-on experience with multi-platform, LAN/WAN environments, assessing and implementation of security controls in using ODAA and RMF guidance. Demonstrated record of success in migrating, troubleshooting Servers and increasing efficiency.