Friendship
Friendship is unnecessary, like philosophy, like art… It has no survival value; rather is one of those things that gives value to survival. C.S. Lewis This first post of 2009 is to all my friends.Thanks for being with me.
Jiffy, Jiffies & HZ
Jiffies : The jiffies variable holds the number of times the system timer popped since the system booted. HZ: The number of timer ticks per second, is contained in the kernel variable HZ.The kernel increments jiffies, HZ times every secondJiffy: On a kernel with a HZ value of 100, a “jiffy” is a 10-millisecond duration, … Read more
How do log every thing printed on the terminal
Sometimes we just keep working on a terminal and get lost what all we did.Isn’t it good if we can get some kind of logs which can give us all steps we followed. First thing which comes in mind is the “history” command, but that will not give the standard outputs which we got after … Read more
Deleting a speical character file
Sometimes we need to delete a special character file, which we can not delete with normal rm command.So here is the solution…delete it with the help inode number.$find . -inum __inode number from ls -i of the file __ -exec rm {} \;
Highlighting the searched keyword with ‘grep’.
Add following lines in the “.bashrc” file, which is in your home directory. alias grep=”grep –color” export GREP_COLOR=”1;32″ You can run either run following command to take this change in-effect $ source ~/.bashrc OR Logout and then login.
Global File System(GFS) — Part1
File system is a method for storing and organizing computer files and the data they contain to make it easy to find and access them.There are different types of file system available* Disk file systems (EXT2, EXT3,XFS,FAT,NTFS,GFS,OCFS)* Flash file systems* Network file systems(NFS)* Special purpose file systems(proc file system) Each file system has it own … Read more
Jabalpur LUG event, 17th June’08
With the help of jbp-lug members I have organized a LUG event at Takshila Engineering college, Jabalpur.http://tech.groups.yahoo.com/group/jbp-lug/ Meeting Minutes:http://tech.groups.yahoo.com/group/jbp-lug/message/393Pics:http://tech.ph.groups.yahoo.com/group/jbp-lug/photos/browse/d30dAround 20 students from different engineering colleges attended the event. 80% students of city like Jabalpur lack the practical understanding of the subjects; they just somehow read them to pass the exams. As per my understanding lack … Read more
GEEP session on Virtualization
GEEP — GEEKs Of Pune…GEEP is a non-profit group to promote Linux system software.You can find more details at :-http://tech.groups.yahoo.com/group/geep_linux/ On 25th May’08 GEEP has organized the session on Virtualization.There were two presentations:-a. For beginners by me.b. For advance users by Mr. Amit Shah If we put “vitualization” on any search engine we get ‘n’ … Read more
Why Para-vitualization was needed?
Why Para-vitualization was needed?I had this question in my mind for some time but the answer was not clear to me. So, I read some docs and figured it out.From http://en.wikipedia.org/wiki/Intel-VTx86 virtualization is the method by which x86-based “guest” operating systems are run under another “host” x86 operating system, with little or no modification of … Read more
Chasing the Red Light (Full Moon Night Trek)
This was my very first experience of trekking.Lot of people gave their name for the trek but finally we 10 people went for it.Five from my team,our Manager Mr. Ravi and his 3 friends.One of them in professor from IIT Mumabi.We started from office at 5:15pm and reached Katraj at 6:30pm.Then we loaded ourselves with … Read more