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Each file has three time stamps :

[a] access (read the file's contents) -atime
[b] change the status (modify the file or its attributes) -ctime
[c] modify (change the file's contents) -mtime...

The autologin failed from M1 to M2 ?
Can you try these steps :
Backup your ~/.ssh/authorized_keys
Generate ssh public keys from both M1 & M2
Add the 2 pub keys generated to the...

By autologin, do you mean ssh key ? Do you use NIS ?

To grep the variable, you can do :
var=`awk -F'=' '/IAGLOBAL_USERID/{sub(/[ \t]+$/, ""); print $2}' $NCO/response_uid.txt`

Sorry for my belated reply, in fact, you can redirect the output to a file (in raw mode) then visualize using wireshark (or tcpdump -vv -x -X, i don't have tcpdump installed on my PC right now so I...

tcpdump, wireshark can capture packets in a network, or you can write a perl script using libpcap, it works too.

your answer is here : STRACE (http://www.linuxmanpages.com/man1/strace.1.php)

Agree with csorhand about the RPM query.
You can try to remove the apr 1.2.7 and reinstall apr 1.3.3.

I see the line :
Packages installed: /usr/bin/yum -y install collectd nrpe blip-nagios-plugins-nrpe
before each server reboot, did you check your Nagios installation ?

You can find many useful docs here :
Red Hat Enterprise Linux (http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/index.html)

Actually, killing a parent process will usually, but not always, kill its children as well !

So you could kill the child process (which has the PPID = bash's PID) before you kill bash.

if you like a one line command, give this a try :
sed -e '/rctl/,/end/{H;d;}' -e '${p;g;s/^.//;}' /tmp/y

c is the count variable, it's increased if the current line differ from the previous.
Test the command and u'll see.
Regards.

Did you test on your system, what did those commands return ?
In my test (with debian 5) it should be :
$cat test
1234
12qbc
1222 345345
12ABC!!

$egrep -o "12[0-9]+" test
1234
1222
And...

try this :
uniq -f4 --all-repeated=prepend yourfile

---------- Post updated at 01:54 PM ---------- Previous update was at 01:51 PM ----------

alternative solution :
awk '{if($5 !=...

\( \) is used to remember the pattern so that you can recall it later
"+" means one or more matched pattern
"?" means one or zero matched pattern
So you probably can't replace + with ?

Take a...

-A1 option print the line "after" the matched line
-B1 option print the line "before" the matched line
You can also use -C1 which is equal to -A1 -B1
grep -C1 "something" yourfile

Is this what...

Just double the \ and it's done ^^ sed 's:LogFormat "%h %l %u %t \\"%r\\" %>s %b \\"%{Referer}i\\" \\"%{User-Agent}i\\"" combined:LogFormat "\\"%h\\" \\"%l\\" \\"%u\\" \\"%t\\" \\"%r\\" \\"%>s\\"...

I prefer orange juice ^^ no cocaine, no caffeine, no alcohol °__°

You may take a look at the curl command.
Simple usage : curl http://www.somesite.com/

And maybe u would find this interesting :

Removed Self Promoting Links

One little tip : use <Tab> to complete your long path and avoid typo mistakes.
Regards.

Cabrao's regex solution is better than using pipeline.

One "stupid" way to do that :
export start_date=$(echo $(echo `date +%Y` + 1 | bc)-$(date +%m)-$(date +%d))There must be a smarter solution ^^