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I am trying to set TCP_MD5SIG option. I am trying this on an application running on the Linux kernel 2.5.25 which has support for this option. When my application is configured via the console to set...

I need clarification on whether it is okay to set socket options on a listening socket
simultaneously when it is being used in an accept() call?

Following is the scenario:-

-- Task 1 - is...

For your requirement to connect your server to exactly 5 clients,
listen(socket_fd,5) is the right option.

>>also whats the second parameter number mean? what happens if i put 0 there?

...

Thanks fpmurphy.

Could you elaborate more on this.
Once a connection is established, how would the re-negotiation be accomplished?
TCP implementations would be using special options meant only...

Hi,

I am aware that duirng the intial SYN, SYN-ACK, ACK (connection establishment) phase, both TCP ends advertize TCP options (or extended features) each would like to use for the connection....

Hi,

I am trying to understand the role of buffer cache in block I/O.
I am monitoring /proc/meminfo, my question is does the value of 0 for 'buffers', mean that any subsequent disk read issued by...

Thanks.. :) That helped. So I am guessing writing to the device file for the HDD, opened with (O_SYNC) coupled with an extra sync command and a sleep, between the 2 swipes should be enough to ensure...

Thanks everyone for the responses.
Actually my doubt is if I am doing 2 swipes over the disk with a pattern and its compliment, using either dd/dcfldd for the purpose in a script, then the first...

Hi,

I am writing a script to wipe my hard disk, in a relatively secure manner by over-writing the disk with 3 patterns. So, I run the dd/dcfldd command 3 times with a sync call in between each...

I used to think that whatever blocks the block layer sends down to the device driver to write actually does get written, even if the 2 writes are for the same LBA. (By calling a sync between 2 writes...

Hi,

Does anybody know how to enable the shell sh while creating Ramdisk fs using BusyBox? while creating a configuration using the GUI, I see options only for the ash shell. Is there some option...

Hi,

I am trying to find the reliability of 'vmstat -d' for showing the actual physical writes on sectors on hard disk.

Can anyone please tell me if the numbers in the "sectors" field under...