Powering The Shell

Unlocking the potential of the shell.

  • Publishing SCOM certificate for workgroup computer

    1. Create the certificate request as below:  a. Create request.inf with the following configuration:   [NewRequest]   Subject=”CN=”   Exportable=TRUE   KeyLength=1024   KeySpec=1   KeyUsage=0xf0   MachineKeySet=TRUE   [EnhancedKeyUsageExtension]   OID=1.3.6.1.5.5.7.3.1   OID=1.3.6.1.5.5.7.3.2  b. Run the following command to create the request from the request.inf created above:       certreq -new -f RequestConfig.inf… Continue reading

  • Reset password in RHEL 7

    1. Reboot to GRUB and press ‘e’ after highlighting the boot-up entry. 2. Scroll to the line starting with ‘linux16’ and enter the following at the end of the same line:     rd.break console=tty1 3. Press Ctrl + x to boot with options specified in step 2. 4. The bootup will lead to a single… Continue reading

  • Mount DFS-R Share in RedHat Enterprise Linux 6

    1. Verify the following packages are available in the linux system:       a. cifs-utils     b. keyutils 2. The following lines need to be added to the end of the /etc/request-key.conf file:     create cifs.spnego * * /usr/sbin/cifs.upcall %k     create dns_resolver * * /usr/sbin/cifs.upcall %k 3. Mount the DFS-R folder  … Continue reading

  • Oracle Audit Vault on Hyper-V

    Generally Hyper-V is not recommended for the installation of the Oracle Audit Vault. Due to the lack of options available, Hyper-V was required. Installation wasn’t initially happening as OAV was unable to detect the network adapter. The default Hyper-V network adapter is defined as Synthetic. As per one blog, we have to use legacy network… Continue reading

  • First blog post

    First blog post

    This is the excerpt for your very first post. Continue reading

  • SCVMM error 23351

    After importing an exported Generation 2 template in VMM, the following error occurs when trying to deploy :   The input string “” for the FirstBootDevice parameter cannot be parsed and may be invalid. Make sure the string uses one of the following formats: “SCSI,BusId(integer),LunId(integer)” or “NIC,SlotId(integer)” ID: 23351 We can use Powershell to fix… Continue reading

  • DFS Slowdown on Windows Server 2012 R2

    The other day, the file server started showing up by not serving any shares. Initially it happened once in a week which was solved by a reboot and then it started started to occur almost every hour. The DFS replication service was showing 99% CPU usage during all of this. After a bit of research,… Continue reading

  • Windows 7/2008 VM not booting up on Hyper-V host after windows update using CAU

    After updating three hosts out of five in a windows hyper-v cluster based on Nutanix using CAU tool, I noticed the Windows 7/2008 VMs stopped running on the updated hosts. Using the failover cluster manager, I managed to failover the VM to the non-updated host and it started working. During troubleshooting, I came across the… Continue reading

  • Cumulative update on Exchange 2013

    1. Download the Cumulative update for Exchange 2013. 2. For the update of Exchange server 2013 CU 1-6, AD Schema needs to be extended. For update of Exchange 2013 CU 6 and later, the following steps 3-6 is not required. 3. Open a command prompt, go to the folder with the CU and type PackageName-KB12345-x64.exe… Continue reading

  • WWN from Hyper-V Nodes

    1. Open up Powershell with administrator privileges. 2. Run the command :     Get-InitiatorPort -ConnectionType FibreChannel 3. The column with the header Node Address should give you WWN. Continue reading