06-15-2009
Hi Guys,
I did something good today:
My situation:
-----------
I had 2 servers say server A and server B. Server A had got millions of files and directories. I had to keep the same ownership and group ownership in server B as in Server A. For this I did below:
1. Get to know the file ownerships in server A and put it in a file
find . -type f | sed "s#^.#$(pwd)#" | xargs ls -l | tr -s " " " " | cut -f3,4,9 -d\ > perm.conf
find . -type d | sed "s#^.#$(pwd)#" | xargs ls -ld | tr -s " " " " | cut -f3,4,9 -d\ >> perm.conf
2. copy the perm.conf on the server B under the same hierachy as in server A.
3. Then I wrote a script:
#!/bin/sh
k=`wc -l perm.conf | cut -f1 -d\ `
i=1
RECORD=""
OWNER=""
GROUP=""
FILE=""
while [ $k -ne $i ]
do
RECORD=`head -$i perm.conf | tail -1`
OWNER=`echo $RECORD | cut -f1 -d\ `
GROUP=`echo $RECORD | cut -f2 -d\ `
FILE=`echo $RECORD | cut -f3 -d\ `
chown $OWNER:$GROUP $FILE 2>> logfile
i=`expr $i + 1`
done
and I was done...
Hope this help someone...
Thanks and regards,
Pravin Goyal
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LEARN ABOUT DEBIAN
parallel-slurp
PARALLEL-SLURP(1) PARALLEL-SLURP(1)
NAME
parallel-slurp - copy files from listed hosts
SYNOPSIS
parallel-slurp [OPTIONS] -h hosts.txt -L destdir remote local
DESCRIPTION
pssh provides a number of commands for executing against a group of computers, using SSH. It's most useful for operating on clusters of
homogenously-configured hosts.
parallel-slurp gathers specified files from hosts you listed.
OPTIONS
-r --recursive
recusively copy directories (OPTIONAL)
-L --localdir
output directory for remote file copies
-h --hosts
hosts file (each line "host[:port] [user]")
-l --user
username (OPTIONAL)
-p --par
max number of parallel threads (OPTIONAL)
-o --outdir
output directory for stdout files (OPTIONAL)
-e --errdir
output directory for stderr files (OPTIONAL)
-t --timeout
timeout (secs) (-1 = no timeout) per host (OPTIONAL)
-O --options
SSH options (OPTIONAL)
-v --verbose
turn on warning and diagnostic messages (OPTIONAL)
EXAMPLE
An example to copy /home/irb2/foo.txt from each host. Files gathered will be stored in /tmp/outdir/hostname/foo.txt.
# prallel-slurp -h hosts.txt -L /tmp/outdir -l irb2
/home/irb2/foo.txt foo.txt
ENVIRONMENT
All four programs take similar sets of options. All of these options can be set using the following environment variables:
o PSSH_HOSTS
o PSSH_USER
o PSSH_PAR
o PSSH_OUTDIR
o PSSH_VERBOSE
o PSSH_OPTIONS
SEE ALSO
parallel-ssh(1), parallel-scp(1), parallel-nuke(1), parallel-rsync(1), ssh(1)
AUTHOR
Brent N. Chun <bnc@theether.org>
COPYING
Copyright: 2003, 2004, 2005, 2006, 2007 Brent N. Chun
NOTES
1. bnc@theether.org
mailto:bnc@theether.org
03/30/2009 PARALLEL-SLURP(1)