problem 2:
also is it possible taht when system is too busy my script from cron is being stopped. (I notices it becouse it executes everyday from cron and one day additional files is being erased - as script say and the other those files stay - like the end of script is not executed ?!?!?)
---------- Post updated at 01:55 PM ---------- Previous update was at 11:48 AM ----------
Every evening I run a script in AIX production box, which executes below command:
rcp prod_bkup.tar prodapp@IP:/data/appl/prod
This will rcp a backup of around 11 GB from production to another machine (runs every evening so overwrites previous one). Just to keep the backup safe. Since 2-3 days,... (0 Replies)
Hi,
I'm pritty new to C, but a recent bug in a program i've been using has forced me to debug it. But I am unable to find a debugger that can act as a layer between the OS and the program to see whats going on..
The problem is that this piece of software makes a connection through localhost... (2 Replies)
Hi,
I am trying to login using ssh on Red Hat Linux 5 server,
The password appears immediately but after I enter the password it takes about 90 seconds to login completely.
Please suggest what changes require?
Regards,
Manoj (4 Replies)
I'm having a bit of a login performance issue.. wondering if anyone has any ideas where I might look.
Here's the scenario...
Linux Red Hat ES 4 update 5
regardless of where I login from (ssh or on the text console) after providing the password the system seems to pause for between 30... (4 Replies)
Hi ,
We have 20 jobs are scheduled.
In that one of our job is taking long time ,it's not completing.
If we are not terminating it's running infinity time actually the job completion time is 5 minutes.
The job is deleting some records from the table and two insert statements and one select... (7 Replies)
Dear experts
I have a 200MG text file in this format:
text \tab number
I try to sort using options -fd and it takes very long! is that normal or I can speed it up in some ways?
I dont want to split the file since this one is already splitted.
I use this command: sort -fd file >... (12 Replies)
echo "1337124526" | perl -pe 's/(\d+)/easttime($1)/e'
the above gives a date and time.
how can i subtract the date and time given by this command, from the current present date?
can this be a one liner or as close to a one-liner as possible? (1 Reply)
Hi,
All the data are kept on Netapp using NFS. some directories are so fast when doing ls but few of them are slow. After doing few times, it becomes fast. Then again after few minutes, it becomes slow again. Can you advise what's going on?
This one directory I am very interested is giving... (3 Replies)
the following code works sometimes. other times, it behaves mysteriously. when the script sshs to a box, it is suppose to automatically begin running the command it is told to run. but in this case, after this script logs into a host, it just sits there at the prompt and does not run the... (1 Reply)
I was wondering if I could get some feedback on my script to grab time from our MDM... I blocked out all of the important stuff. I really appreciate any guidance, since I am long out of practice.
#!/bin/bash
serial=$1
# get last seen value of ipad
lastseen=$(curl -s -X "GET"... (11 Replies)
Discussion started by: andysensible
11 Replies
LEARN ABOUT REDHAT
head
HEAD(1) FSF HEAD(1)NAME
head - output the first part of files
SYNOPSIS
head [OPTION]... [FILE]...
DESCRIPTION
Print first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no
FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=SIZE
print first SIZE bytes
-n, --lines=NUMBER
print first NUMBER lines instead of first 10
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
--help display this help and exit
--version
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the
command
info head
should give you access to the complete manual.
head (coreutils) 4.5.3 February 2003 HEAD(1)