04-16-2010
If you're having I/O errors, you've got bigger problems than removing the bad files. That's not normal behavior. The disk may be dying.
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1. UNIX for Dummies Questions & Answers
I've been successfully running a daily cron script to backup certain things on my server but just recently I started getting input/output errors for everything. For each directory the script tries to backup I now get this:
cp: accessing `/mnt/backup/**dir**/': Input/output error (8 Replies)
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2. AIX
Hello,
I encountered a never-seen-before error message soon after the extension of a file system on an AIX 5.2:
$ sudo chfs -a size=+1G /filesystemtest
v3fshelper: /dev/lvfilesystemtest: There is an input or output error.
No error reported by errpt, file system correctly extended.
Can... (2 Replies)
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3. Shell Programming and Scripting
hello,
Any suggestion on how to prevent Standard output and Standard Error to window? (3 Replies)
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4. Shell Programming and Scripting
Hi
I have a script and its execution takes 40 - 60 minutes. The script is run on the console window of the machine. Script execution should not be broken by running ctrl-C under any circumstances. Is there a way to lock the window from any user input (ctrl-C in fact) till the end of the script... (3 Replies)
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5. UNIX for Dummies Questions & Answers
Hi,
I want to check a particular word is in standard error output or not. Can I acheive it in single command?
For example,
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cat error.log
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XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
Successfully deleted
XXXXXXXXXXXXXXXXX
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6. Shell Programming and Scripting
Hi,
I have two files , one file with data file with attributes that need to be sent to another file to generate a predefined format.
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File.txt
AP|{SSHA}VEEg42CNCghUnGhCVg==
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....
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---------
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7. UNIX for Dummies Questions & Answers
Hi,
I am facing issue while using scp. Source & target machines are Linux & HP-UX respectively.
On target machine, if I fire the following command, I get error:
Now if I try scp on another file, which is on the same source machine, it works fine.
All directories and subdirectories... (2 Replies)
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8. Shell Programming and Scripting
Hi, i have the below code that will compare the value from 2 variables:
./wlst.sh JMSmon.py > out.dat
w=`sed -e 's/\(.*!\)\(.*\)\(, Queue.*$\)/\2/' out.dat | awk '/'$1'/{n=0;{print $n}}'|head -n 1`
if
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9. AIX
Hi Folks,
Any system admin did provide AIX file system control to prevent user/ admin accidentally remove database files ?
Thanks. (4 Replies)
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Hi issue with red hat and san.
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size=10T features='0' hwhandler='0' wp=rw
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LEARN ABOUT OSX
ppmtosixel
ppmtosixel(1) General Commands Manual ppmtosixel(1)
NAME
ppmtosixel - convert a portable pixmap into DEC sixel format
SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC
LJ250 color inkjet printer.
If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table
begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file.
OPTIONS
-raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com-
pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni-
tude larger than a compressed file and prints much slower.
-margin
If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci-
fied, a 1.5 inch left margin will offset the image.
PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?.
BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was
greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the
color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation.
SEE ALSO
ppm(5)
AUTHOR
Copyright (C) 1991 by Rick Vinci.
26 April 1991 ppmtosixel(1)