Linux : Virtual filesystem – Loopback device
cloudibee Sometimes you may need additional local partition or local mountable drives, but you dont have free blocks in the parition table. In that case virtual filesystem helps. You can create…
June 2008
NFS client : rsize wsize
The nfs client mount command options “rsize” and “wsize” specify the size of the chunks of data that the client and server pass back and forth to each other. If…
Linux : Forcing fsck on nxt boot
If you want to force fsck on the next boot, just create a file called /forcefsck . If this file is present, then during next boot – the fsck is…
Encrypting a tar file using openssl
In some cases, you may have to send your datacenter’s passwd information to some of your collegues. Instead of sending them in plain text, you can use tar & openssl…
Loadbalancer
A good presentation from F5 explaining all features of Loadbalancer : http://www.f5.com/flash/product-demo/
Download using wget
You can use “wget” on Linux machine CLI to download files from http or ftp sites. Proxy configuration can be done for wget by exporting environment variables Initialize proxy :…
Netapp : nfsstat command
This command displays the NFS and RPC statistics of filer. The command can be used to find the performance bottlenecks in NFS environment. This shows the metrics for each nfs…