I'm writing/testing the script on
- Linux pclinux 2.6.15-27-386 #1 PREEMPT Sat Sep 16 01:51:59 UTC 2006 i686 GNU/Linux (ubuntu dapper drake)
- /bin/bash
But eventually it needs to run on
- Linux embLinux 2.6.12 #184 Wed Dec 9 08:35:30 CET 2009 armv4tl unknown
- /bin/sh
The results are the same on both systems
- anything between 0 and 100 files
- the files are created using gedit
Hi,
I have a script as follows:
#!/bin/sh
nohup ./my_program >& /dev/null &
However, i get a "Generated or received a file descriptor number that is not valid" whenever I run it.
running the command up in prompt is ok though.
if i change the first line to #!/bin/csh
i get a then:... (4 Replies)
Please help urgently.
I need to setup up some sort of service on a solaris server on a port.
I dont need it do anything special, anything that is sent to this port from an external server should be dump to /dev/null or a flat file..
Can you help urgently? (1 Reply)
Hi, Anyone can help
My solaris 8 system has the following
/dev/null , /dev/tty and /dev/console
All permission are lrwxrwxrwx
Can this be change to a non-world write ??
any impact ?? (12 Replies)
Hi,
Excuse my ignorance here - I'm a networks man and my knowledge of all things unix is somewhat limited.
We have a very large file (/var/tmp/mond.log) that we need to zero - does the "cat /dev/null > /var/tmp/mond.log" command achieve this? (4 Replies)
Hello,
I am working on a script to measure the read performance of a busybox environment. The logical choice is to use a command line like:
(time cp * /dev/null) 2> /tmp/howlong.txt
Ah, the rub is cp or /dev/null will only accept a single file at a time.
The result in the txt file is and... (1 Reply)
I stumbled across a somewhat strange behavior of tar and find no explanation for it: i was testing a DVD for read errors and thought to simply tar the content and direct the output to /dev/null:
tar -cvf - /my/mountpoint/*ts > /dev/null
This way i expected the system to read the complete... (4 Replies)
How are these two different? They both prevent output and error from being displayed. I don't see the use of the "&"
echo "hello" > /dev/null 2>&1
echo "hello" > /dev/null 2>1 (3 Replies)
Hi Guru's,
I am trying to test the network speed or load by this command.
but getting error " Not Connected ". Could you guys please help.
ftp> put "|dd if=/dev/zero bs=8k count=1000000" /dev/null
Not connected.
Please use
code tags! (9 Replies)
I apologize if this question has been answered else where or is too elementary.
I ran across a KSH script (long unimportant story) that does this:
if ; then
CAS_SRC_LOG="/var/log/cas_src.log 2>&1"
else
CAS_SRC_LOG="/dev/null 2>&1"
fithen does this:
/usr/bin/echo "heartbeat:... (5 Replies)
I'm using an text-to-speech synthesis in a script, and I need to redirect it's output to /dev/null
how can I do that ? And how to redirect the stream to his normal output then (sound card ) ?
thankx (2 Replies)
Discussion started by: firelink
2 Replies
LEARN ABOUT REDHAT
xchklog
xchklog(8) JFS utility - extract fsck.jfs log xchklog(8)NAME
xchklog - extract a log from the JFS fsck workspace into a file
SYNOPSIS
xchklog [ -f output.file ] [ -p ] [ -V ] device
DESCRIPTION
xchklog extracts the contents of either the most recent or immediately prior JFS fsck service log from the specified device, and writes the
output into a specified or default file. (The default file name is <pwd>fscklog.new. If the -p option is used, the default file name is
<pwd>fscklog.old.)
The contents of the output file can be formatted into text by using the JFS utility xchkdmp.
device is the special file name corresponding to the actual device from which the fsck log will be extracted (e.g. /dev/hdb1 ).
OPTIONS -f output.file
Specify the output file name, overriding the default file name.
output.file must be 127 characters or less in length.
output.file will be created in the present working directory unless it is fully qualified.
-p Extract the prior log (as opposed to the most recent log).
-V Print version information and exit (regardless of any other chosen options).
EXAMPLES
Extract the most recent log on /dev/hda5 into <pwd>fscklog.new:
xchklog /dev/hda5
Extract the most recent log on /dev/hdb3 into /temp/l9651107.log:
xchklog -f /temp/l9651107.log /dev/hdb3
Extract the prior log on /dev/hdb4 into <pwd>fscklog.old:
xchklog -p /dev/hdb4
REPORTING BUGS
If you find a bug in JFS or xchklog, please report it via the bug tracking system ("Report Bugs" section) of the JFS project web site:
http://oss.software.ibm.com/jfs
Please send as much pertinent information as possible, including any xchklog error messages and the complete output of running fsck.jfs
with the -v option on the JFS device.
SEE ALSO xchkdmp(8), mkfs.jfs(8), fsck.jfs(8), logdump(8), logredo(8), xpeek(8)AUTHOR
Barry Arndt (barndt@us.ibm.com)
xchklog is maintained by IBM.
See the JFS project web site for more details:
http://oss.software.ibm.com/jfs
January 11, 2002 xchklog(8)