rpm package command tips
If you want to find which rpm contains a specific file in your linux system, you can use “rpm -qf” to get the package information. opensuse:~ # rpm -qf /etc/vmware-tools/tools.conf…
If you want to find which rpm contains a specific file in your linux system, you can use “rpm -qf” to get the package information. opensuse:~ # rpm -qf /etc/vmware-tools/tools.conf…
Iozone Linux filesystem benchmarking tool has another cool utility called “fileop”. This utility does file operation on the filesystem and gives the ops/sec for each operation. This tool will be…
The Lustre file system is a distributed high performance cluster filesytem that redefines I/O performance and scalability for large and complex computing environments. This is ideally suited for data-intensive applications…
After setting up my squid proxy for web caching, I was trying to see if it supports http compression. But the version which I had installed doesn’t support webcache compression.…
Snapmirror is an licensed utility in Netapp to do data transfer across filers. Snapmirror works at Volume level or Qtree level. Snapmirror is mainly used for disaster recovery and replication.…
ZFS is a combined file system and logical volume manager designed by Sun Microsystems. The features of ZFS include support for high storage capacities, integration of the concepts of filesystem…
Dstat is a handy utility for monitoring systems during performance tuning tests, benchmarks or troubleshooting. It combines vmstat, iostat, ifstat, netstat information and more. Dstat overcomes some of their limitations…
DAS: Direct-attached storage, or DAS, is the most basic level of storage which most people are familiar with, in which storage devices are part of the host computer, as with…
When you deploy some critical stuffs like Oracle DB, Oracle RAC DB etc on the Xen or Oracle virtual machine, you’ll have to use bonded network interfaces and the vlan…
Netapp SnapVault is a heterogeneous disk-to-disk backup solution for Netapp filers and heterogeneous OS systems (Windows, Linux , Solaris, HPUX and AIX). Basically, Snapvault uses netapp snapshot technology to take…
Checkout this demo of provisioning 5000 Vmware VMs using Netapp File cloning and volume flexclone technologies. Good one ..
Static routes will be added usually through “route add” command. The drawback of ‘route’ command is that, when Linux reboots it will forget static routes. But to make it persistent…
Virtual Network interfaces can be attached or detached from a guest virtual machine (domU) while the virtual machine is up and running. The below Xen networking steps gives details on…
GSmartControl is a graphical user interface for Linux smartctl, which is a tool for querying and controlling S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) data on modern hard disk drives. You…
Iperf is a commonly used network testing tool that can create TCP and UDP data streams and measure the throughput of a network. Iperf allows the user to set various…