varsha 
vinay iperf : Network throughput measurement tool
cloudibee 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…
Vmware Performance tuning Tips
These posts explain about Vmware performance tuning on Linux servers. Tips for improving performance on a Linux host Vmware IO performance tips These links explains the tips to tune the…
EMC CLARiiON AX Demo
Gotitsolutions.org has a great demo or EMC CLARiiON AX. You can see the demo here. More details of EMC CLARiiON AX can be found here.
Xen performance monitoring
Xen’s Hypervisor does not have an easy collection of performance counters. The management machine – “Domain-0″ is actually a privileged virtual machine, and thus – get its own small share…
OpenSource Tools for AIX
Here are several websites that has OpenSource Tools for AIX. The “IBM AIX Toolbox” has the most tools, but not necessarily the most current versions. The other links are also…
Linux Kernel panic reboot
By default after a kernel panic, Linux kernel just waits there for a system administrator to hit the restart or powercycle button. This is because of the value set on…
Netapp Ontap Management SDK
Netapp provides an SDK ( Netapp API ) that contains resources necessary to develop third-party applications which monitor and manage Netapp Filers. The SDK contains libraries, code samples and bindings…
Solaris : Auditing File attributes
Solaris has a software registry which maintains information of software packages installed. The registry is invaluable for auditing the system to determine what software has been changed, installed, removed, or…
Linux Tips : Useful links
Came across the below links and it has lot of useful linux tips – neat and great. Checkout them http://www.brunolinux.com/ http://souptonuts.sourceforge.net/how_to_linux_and_open_source.htm
Netapp Storage Commands
Here are some of the useful functions of “storage” command in Netapp. 1) To show all disks on the system : Use “storage show disk -T” to display all the…
Netapp volume commands
How to find failed disks on a filer ? . “vol status -f” command gives you the failed disk on a filer. # rsh filer12 vol status -f Broken disks…
How to find the version history of a rpm in Linux?
The rpm command gives you the version history & changelog of a package , when you query the package with –changelog option. Here is an example : # rpm -q…
File Synchronization tool : Unison
Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on…
How to mount a ISO file
To mount a ISO file on Linux machine, you should mount it as “loop” back filesystem. The option to be used in mount command is “-o loop”. Check out the…
Linux : yum package manager
“yum” (YellowDog Updater modified) is a easy to use package manager for Linux. It installs/updates packages and all its dependencies. I started using yum and it is real good one…