If you do not have RDP access to a server or workstation, use WMI to do the task. PS C:\WINDOWS\system32> $SRV = Get-WmiObject win32_operatingsystem -ComputerName 192.168.4.100 -Credential (Get-Credential) PS C:\WINDOWS\system32>…
If you have some unused disk space and want to add to the volume group.No data will be lost on existing volume. root@localhost ~]# df -h Filesystem Size Used Avail…
Normally, I do not carry out major maintenance on Friday. If something goes wrong it will ruin your whole weekend. I've been enabling FIPS on all Red Hat servers to…
Had a situation whereby /opt was running out of space. /Tmp had ample of space. Therefore, I decided to reduct /tmp and extend /opt volume. Following are the steps that…
Exchange 2013 - update CU 10 to CU 15 failed at 16 of 17 Steps failed with the following error: Error: The following error was generated when “$error.Clear(); $dependentAssemblyGeneratorExePath =…
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…
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…
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…
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…
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…