varsha 
vinay GeoIP Based Country Blocking for Apache
cloudibee The Chinese won’t leave me alone and it’s cluttering Fail2Ban, so I’m resorting to just embargo blocking China. This isn’t likely to work in the long run, so I’ll have…
Change default boot kernel in Linux Grub2
Grub2 : change Linux default boot kernel
Netapp Storage Administration articles
Here are some of the very useful NetApp management articles from Cloudibee. Netapp Storage Administration Commands – Pocket Guide Netapp Deduplication guide Tuning Snapmirror & Snapvault speed Netapp Performance monitoring…
Netapp Deduplication – quick setup guide
Deduplication refers to the elimination of redundant data in the storage. In the deduplication process, duplicate data is deleted, leaving only one copy of the data to be stored. However,…
Pocket guide for netapp commands
This post contains the list of commands that will be most used and will come handy when managing or monitoring or troubleshooting a Netapp filer. sysconfig -a : shows hardware…
Perl script for listing VMware Tools status
In your day to day operations as part of managing a virtual VMware datacenter, you may need to gather or perform a particular operation on a cluster alone or a…
OCFS2 cluster – quick setup guide
OCFS2 is a POSIX-compliant shared-disk cluster file system for Linux capable of providing both high performance and high availability. Cluster-aware applications can make use of parallel I/O for higher performance.…
Squid Cache proxy – a quick setup guide
This post gives the steps to quickly setup Squid proxy and make it up and caching in minutes. There are also some tips & tricks on squid. My squid proxy…
vSphere Management App for iPAD
An interesting application to manage your vmware vsphere datacenter … through an Applie iPAD. Pretty interesting .. The app is still in its early stages, but the demo shows great…
Vsphere Tutorial & demo videos
Mike Laverick has done a great job in sharing out the Vmware Vsphere video tutorials, that clearly explains number of vsphere concepts, howto and technologies in details. Worth watching! Watch…
Tuning Netapp snapmirror/snapvault speed
In Netapp, there is a option to set/limit bandwidth of all snapmirror and snapvault transfers. The option can be either system-wide or for a particular transfer. We can tune either…
Solaris LDOMs virtualization : setup guide
Sun Logical Domains or LDoms is a full virtual machine that runs an independent operating system instance and contains virtualized CPU, memory, storage, console, and cryptographic devices. This technology allows…
Netapp performance monitoring : sysstat : Part II
Here are some explanations on the columns of netapp sysstat command. Cache age : The age in minutes of the oldest read-only blocks in the buffer cache. Data in this…
Netapp Simulator – Installation steps
Those who are newly learning Netapp can use Netapp Data OnTap Simulator to get comfortable with Netapp commands. This tool gives you the experience of administering and using a NetApp…
Linux Enterprise Cryptographic Filesystem : ecryptfs
eCryptfs is a stacked cryptographic filesystem embedded within the Linux kernel. Being a stacked filesystem, it can easily encrypt and decrypt the files on your Linux server as they are…