11-16-2009
Command to ping 1500 bytes of data to a destination system
Hi All,
I want to ping 1500 bytes of data from a pc to another pc in the network. What is command used for the same?
Thanks
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I wrote a script to test many systems to see if they are up or not. if a system is down, i am notified by email
now, most of the time,when systems are down in my enviroment, it is because the user accidentally or purposely (not knowing the consequences) hit the power button. so these problems... (3 Replies)
Discussion started by: TRUEST
3 Replies
2. Shell Programming and Scripting
Hi all,
Does anybody know or guide me on how to remove the first N bytes and the last N bytes from a binary file? Is there any AWK or SED or any command that I can use to achieve this?
Your help is greatly appreciated!!
Best Regards,
Naveen. (1 Reply)
Discussion started by: naveendronavall
1 Replies
3. Filesystems, Disks and Memory
I am almost a beginner. And a total idiot.
so i have
done a dd if=/somefile.img of=/dev/sdc1
sdc1 was a USB disk drive with many many files on it i did not want to lose.
What it did was remove the dev/scd1 USB drive and my mounting of /media/movie and then change it to /media/somefile... (2 Replies)
Discussion started by: darbid
2 Replies
4. UNIX Desktop Questions & Answers
Hi All,
I have the below code where Iam connecting from xzur111pap server to xzur0211pap server thru ssh to execute some commands.
ssh xzur0211pap
spaceleft=`df -k /home |tail -1 | awk '{print $5}'`
spaceleft=${spaceleft%\%}
if ]; then
echo "ALERT : HUFS(/home $spaceleft)"
exit 0... (3 Replies)
Discussion started by: gaddamja
3 Replies
5. Programming
Hi,
If I want to copy a 1024 byte data stream in to the target location in 3-bytes chunk, I guess I can use the following script.
dd bs=1024 count=3 if=/src of=/dest
But, I would like to know, how to do it via a C program. I have tried this with memcpy(), that did not help. (3 Replies)
Discussion started by: royalibrahim
3 Replies
6. Shell Programming and Scripting
I am writing a shell script (runs on HP Unix) which copies files from a source directory to another destination daily. The destination directory always have the files with same name as in the source directory. And daily a new file will be created in the source.
cp command works fine if the file... (1 Reply)
Discussion started by: arunkumar_ms
1 Replies
7. UNIX for Dummies Questions & Answers
Hello guys. I really hope someone will help me with this one..
So, I have to write this script who:
- creates a file home/student/vmdisk of 10 mb
- formats that file to ext3
- mounts that partition to /mnt/partition
- creates a file /mnt/partition/data. In this file, there will... (1 Reply)
Discussion started by: razolo13
1 Replies
8. Shell Programming and Scripting
hello,
suppose, entered input is of 1-40 bytes, i need it to be converted to 40 bytes exactly.
example: if i have entered my name anywhere between 1-40 i want it to be stored with 40 bytes exactly.
enter your name:
donald duck (this is of 11 bytes)
expected is as below - display 11... (3 Replies)
Discussion started by: shravan.300
3 Replies
9. Shell Programming and Scripting
Hello Team,
Is there any Linux command / script available so that, I could create a simple 0 byte file in destination server by issuing the command from source server.
If yes, Could you please let me know the possible solutions.
in other words I just want to create a touch file in my home... (1 Reply)
Discussion started by: madhuraju
1 Replies
10. Shell Programming and Scripting
I have a script on a Linux box which scp the files to windows server without any issues. but there are time frames where the windows server will not be available due to maintenance. hence I need to check if the remote location is available before running the scp command.
scp... (3 Replies)
Discussion started by: gpk_newbie
3 Replies
ping(8) System Manager's Manual ping(8)
Name
ping - send ICMP ECHO_REQUEST packets to network hosts
Syntax
/etc/ping [ options ] host [ datasize [ npackets ]]
Description
The DARPA Internet is a large and complex network of hardware connected together by gateways. The command utilizes the ICMP protocol's
mandatory ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from a host or gateway. ECHO_REQUEST datagrams (pings) have an IP and ICMP
header, followed by a struct timeval, and then an arbitrary number of pad bytes used to fill out the packet. The length of the default
datagram 64 bytes, but this may be changed using the command-line option.
Typing ``ping host'' without any options will either report ``host is alive'' or ``no answer from host''. To get more statistics use the
-l option or one of the other options.
When using for fault isolation, it should first be run on the local host to verify that the local network interface is up and running.
Then, hosts and gateways further and further away should be pinged. The command with options sends one datagram per second and prints one
line of output for every ECHO_RESPONSE returned. No output is produced if there is no response. If an optional npackets is given, only
that number of requests is sent. Round-trip times and packet loss statistics are computed. When all responses have been received or the
program times out with npackets specified, or if the program is terminated with a SIGINT, a brief summary is displayed.
Options
-d Turns on SO_DEBUG flag on the socket.
-l Gives more statistics than if is used without options. Long output.
-r Bypasses the normal routing tables and sends directly to a host on an attached network. If the host is not on a directly-attached
network, an error is returned. This option can be used to ping a local host through an interface that has no route through it. For
example, after the interface was dropped by
-v Lists ICMP packets other than ECHO RESPONSE that are received. Verbose output.
Restrictions
This program is intended for use in network testing, measurement, and management. It should be used primarily for manual fault isolation.
Because of the load it could impose on the network, it is unwise to use during normal operations or from automated scripts.
See Also
netstat(1), ifconfig(8c)
ping(8)