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admin

About admin

India based Unix Admin, Cloud Evangelist, and a Virtualization lover. I work as a Unix Administrator and love playing around with Linux, Solaris and various other virtualization and HA solutions.

vgextend Command Examples in Linux

by admin

Logical Volume Manager 2 (LVM2) allows you to aggregate physical storage devices into volume groups. You can then divide that aggregated space into one or more logical volumes. Once created, logical volumes can be extended to utilize unused space within the volume group, allowing the file system residing on the logical volume to be extended […]

Filed Under: Linux

setpci command – configure PCI device

by admin

There are lots of different I/O ports in use on the Linux system at any time, so your output will most likely differ from this example. With PnP, I/O port conflicts aren’t very common, but it is possible that two devices are assigned the same I/O port. In that case, you can manually override the […]

Filed Under: Linux

db_load command – generate db database

by admin

The db_load utility reads either the output format used by the dump utilities or (optionally) a flat-text representation created using other tools, and stores it into a Berkeley DB database. Syntax: db_load [-nTV] [-c name=value] [-f file] [-h home] [-t btree | hash | queue | recno] file The input to db_load must be in […]

Filed Under: Linux

bsdtar command – Read and write tape archive files

by admin

FreeBSD uses a version of tar written from scratch to replace the older GNU tar, called bsdtar. bsdtar can behave completely consistently with GNU tar, and can also behave in strict accordance with POSIX tar. If you’re at all concerned about the differences between GNU tar, POSIX tar, and bsdtar, read man tar(1) for all […]

Filed Under: Linux

What is spfile in Oracle Database

by admin

What is an SPFILE? A server parameter file (SPFILE) is a new feature introduced in Oracle9i. Initialization parameters stored in a server parameter file are persistent, in that any changes made to the parameters while an instance is running can persist across instance shutdown and startup. This eliminates the need to manually update initialization parameters […]

Filed Under: oracle

How to convert Linux dd .img to .VDI, VMDK, VHD with VIrtualBox Command

by admin

In this post, we will discuss about how to convert IMG Files to VDI, VMDK, VHD format for Oracle VirtualBox, Vmware and XenCenter. First We have to take Image from Linux System and It will take some time. 1. Open the windows cmd. Click Run -> cmd -> Enter 2. Notice that Windows open a […]

Filed Under: oracle, VMware

Oracle Interview Questions – oratab file

by admin

Oracle provides a mechanism for automatically setting the required OS variables. This approach relies on two files: oratab and oraenv. You can think of the entries in the oratab file as a registry of what databases are installed on a box and their corresponding Oracle home directories. The oratab file is automatically created for you […]

Filed Under: Interview Questions, oracle

Oracle GoldenGate: GLOBALS Sample Parameter File

by admin

This post provides a sample example of Oracle GoldenGate parameter files that can be used to configure Oracle GoldenGate replication setup in line with recommended best practices. The example is generic and can serve as a starting point for a more customized Oracle GoldenGate implementation. The GLOBALS file stores parameters that relate to the GoldenGate […]

Filed Under: GoldenGate, oracle

Oracle GoldenGate: Replicat Sample Parameter File

by admin

This post provides sample example of Oracle GoldenGate parameter files that can be used to configure Oracle GoldenGate replication setup inline with recommended best practices. The example is generic and can serve as a starting point for a more customized Oracle GoldenGate implementation. Replicat Process The replicate process is the apply process within an Oracle […]

Filed Under: GoldenGate, oracle

Oracle GoldenGate: Pump (Extract) Sample Parameter File

by admin

This post provides sample example of Oracle GoldenGate parameter files that can be used to configure Oracle GoldenGate replication setup inline with recommended best practices. The example is generic and can serve as a starting point for a more customized Oracle GoldenGate implementation. Pump (Extract) Process The data pump group is a secondary extract group […]

Filed Under: GoldenGate, oracle

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Recent Posts

  • vgextend Command Examples in Linux
  • setpci command – configure PCI device
  • db_load command – generate db database
  • bsdtar command – Read and write tape archive files

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