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Search: Posts Made By: chakrapani
739
Posted By chakrapani
I am assuming has values Berty adm, dialout,...
I am assuming has values Berty adm, dialout, cdrom, foo, foo


a simple grep should get you

echo $groups | grep dialout


with awk
echo $groups | awk '/dialout/{ print $0 }'
1,430
Posted By chakrapani
Have tried with xmllint command easier to handle...
Have tried with xmllint command easier to handle XML files.



You need an header line
CLI_RMOD_ACL^Mo,activeCellsList,activeCellsList,antennaPathDelayMeasurementCapableand then...
953
Posted By chakrapani
Is ssh slow ? #!/usr/bin/expect -f...
Is ssh slow ?



#!/usr/bin/expect -f set timeout 120 spawn ssh -o StrictHostKeyChecking=no user@xx.xx.xx.xx rpm -qa expect "word:" send -- "xxxx\r"
expect -exact "\r
sleep 10
expect "$" ...
2,889
Posted By chakrapani
May be add few steps like take a backup of file....
May be add few steps like take a backup of file. and validate file.

First to make backup

[ ! -d "/root/fstab_backup" ] && mkdir /root/fstab_backup
cat /etc/fstab >...
1,207
Posted By chakrapani
Some of the things Did you check with...
Some of the things



Did you check with cron logs?
$ tail /var/log/cron
What is the exit code of your script ? (pseudo code below)
0 0 * * * (./script_waits_4hrs_then_fails.sh ) && ( mail...
7,691
Posted By chakrapani
I made a named pipe and seems very close to...
I made a named pipe and seems very close to getting my solution of garbing HTTP headers, Also noticed my browser does not Always send all the header each time.
(Chrome Version 54.0.2840.99 even in...
7,691
Posted By chakrapani
Netcat ( nc -l ) as webserver
Dear Linux guru's

I am trying to create a webserver using nc (netcat only) on RHEL 7.2 running on bash shell.

now the easy thing is to get nc listing to a port and respond back

$ while...
5,554
Posted By chakrapani
Can you use File::Copy module ? use...
Can you use File::Copy module ?


use File::Copy;
copy("sourcefile","destinationfile") or die "Copy failed: $!";
6,822
Posted By chakrapani
find $INBOUND_PATH -size 0 -print | xargs ...
find $INBOUND_PATH -size 0 -print | xargs

or use -s : file is not zero size

using awk with $5 is not the safe way
Forum: Solaris 09-14-2016
5,377
Posted By chakrapani
can you try $ date --date="2 day...
can you try

$ date --date="2 day ago"
2,946
Posted By chakrapani
if you are looking for a loop then you could use...
if you are looking for a loop then you could use a quick 'for' loop in the directory where match.pl file is present.



./match.pl -f 9464294024_R01C01header -g 9466656017_R01C01header -k 1 -l...
13,525
Posted By chakrapani
This article data recovery - Unix/Linux...
This article

data recovery - Unix/Linux undelete/recover deleted files - Unix & Linux Stack Exchange (http://unix.stackexchange.com/questions/80270/unix-linux-undelete-recover-deleted-files)
...
987
Posted By chakrapani
@RudiC: Thanks for that it works perfectly.
@RudiC:
Thanks for that it works perfectly.
987
Posted By chakrapani
my requirement is: file.txt can have lines...
my requirement is:

file.txt can have lines starting with either A,I,X,W,C,P, ignoring header line starting with H at the beginning of the file
and footer line starting with E at the end of file....
987
Posted By chakrapani
Extract between lines starting with and
I have a combination of patterns to search.

file.txt contains below:
H2016-02-10
A74867712
I1556539758
Xjdflk534jfl
W0000055722327732
W0000056029009389
A74867865
I1556536434...
8,756
Posted By chakrapani
Xpath can be used like // till pattern ...
Xpath can be used like // till pattern ...
4,477
Posted By chakrapani
Got it ... Thanks
Got it ... Thanks
2,788
Posted By chakrapani
Found this thread devices - USB...
Found this thread

devices - USB connect/disconnect notification - Unix & Linux Stack Exchange (http://unix.stackexchange.com/questions/116536/usb-connect-disconnect-notification)

From the...
4,477
Posted By chakrapani
i tested same log (copy paste) and -f option and...
i tested same log (copy paste) and -f option and it worked for me with space.

on FreeBSD with /usr/bin/cut
4,404
Posted By chakrapani
I am not sure but there should be spawn to call...
I am not sure but there should be spawn to call command



#!/usr/local/bin/expect
spawn su -
expect "Password:" { send "passwd\r" }
expect "# " { send "uname -a\r" }
expect "# " { send...
8,756
Posted By chakrapani
I have used xmllint with huge files xmllint...
I have used xmllint with huge files

xmllint --format hugefile.xml >> hugefile_formatted.xml

to get formatted or use --shell option to get you values using xpath.
4,477
Posted By chakrapani
1. Date range of the log. Hope they are sorted ...
1. Date range of the log. Hope they are sorted

Check the manual page for cut using

$ man cut


cut -f
-f list
The list specifies fields, separated in the input by the...
8,756
Posted By chakrapani
Option for sel (select) is using xpath. ...
Option for sel (select) is using xpath.

What is Xpath ? May be you might get some basics from URL:
XPath Tutorial (http://www.w3schools.com/xsl/xpath_intro.asp)


bash-2.03$ xml
XMLStarlet...
3,630
Posted By chakrapani
Can you check perl version. I am assuming no perl...
Can you check perl version. I am assuming no perl modules are installed

---------- Post updated at 12:41 PM ---------- Previous update was at 12:27 PM ----------

Check this perl code. Works on...
3,630
Posted By chakrapani
Any of these work ? The UNIX School: gawk -...
Any of these work ?

The UNIX School: gawk - Date and time calculation functions (http://www.theunixschool.com/2013/01/gawk-date-and-time-calculation-functions.html)

Can we use Perl instead ?
...
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