Tuesday, March 3, 2009

Linux

#dmidecode
#hdparm ( not support SCSI harddisk)
#more /proc/meminfo
#more /proc/cpuinfo
#mii-tool

#ps auxwww
#ps --width <1234567890>
#grep -i /* ignore case sensitive */
#find . -mtime +60 | /usr/bin/xargs /bin/rm -f

#ping 101.2.3 -w 10 -c 5 -q
#ping -c4 10.1.2.3 | grep 'received' | awk -F ',' '{print $2 $3 $4}'

#ls aux --width 1000

--mount usb--
#mount /dev/sda1 /mnt/usbdisk
--mount cdrom--
#mount /dev/hda /mnt/cdrom

#crontab
30 22 27 1 * /sbin/shutdown +0
55 7 22 7 * /sbin/sshutdown +0 ( 07:55 22/Jul)

#tcpdump -i dst 10.10.10.10 tcp port 514

#sort siap log


!/usr/bin/perl

open (IN,$ARGV[0]);
$c = 0;
while () {
chomp;
@a = split(/ /);
$entry{$a[9]}{$c} = $_;
$c++;
}
close IN;
@keys = sort { $a cmp $b } keys %entry;
foreach $key (@keys) {
print "$entry{$key}\n";
}
#open (OUT,">sorted_".$ARGV[0]);
#close OUT;


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