Unix Tip: CHANGING A PRINT QUEUE IP

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3607 - December 25, 2014

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CHANGING A PRINT QUEUE IP


To change the IP address of
a print queue in HP UX 10.20
(and maybe others), go to
/var/spool/lp/interface.
Edit the file with the same
name as the print queue and
change parameter PERIPH to
the new IP address.

For example, to change
printer_1 from 127.0.0.2 to
127.0.10.10, edit
/var/spool/lp/interface/printer_1
and change the line PERIPH=127.0.0.2 to
PERIPH=127.0.10.10.

Disable and enable printer_1,
and jobs sent to printer_1 will
go to the new IP address.


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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: MOVING FILES AROUND

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3606 - December 24, 2014

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MOVING FILES AROUND

Here is another way to move
files around.

Sometimes you find yourself
wanting to move a bunch of
files into a new directory
that is to be created in the
current working directory.

Rather than using a temporary
directory, or grep and variable
substitution; use a subshell:

$ ( \ls; echo dir; mkdir dir ) | xargs mv

The trick is in using a subshell
to run a number of commands
_before_ the output is piped to
xargs. This idiom is also useful
for plenty of other applications.




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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: GOOD TIME FOR CRON

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3605 - December 23, 2014

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GOOD TIME FOR CRON

At a US government site, most of
the maintenance cron jobs ran at
noon, because testing showed that
to be the least used time in any 24-hour
weekday. Some users were around at all
hours of the night, but everyone went to
lunch!

Tibor Pollerman




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: PATHS EASIER TO READ

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3604 - December 22, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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PATHS EASIER TO READ

Am I the only one who finds the

% echo $PATH

and

% echo $LD_LIBRARY_PATH

unreadable? Try this to make
for something thats much easier
to read:

echo $PATH | tr ":" "\n"


This tip generously supported by: ng@clubgeek.net




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: GETTING IPs FROM IFCONFIG

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3602 - December 20, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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GETTING IPs FROM IFCONFIG

You can use ifconfig to lookup
IP addresses bound to your box.
If you do not want to search the
output from ifconfig, use the
following command to get just
the IP listing.

ifconfig | awk '/inet/{print $2}' | awk -F: '{print $2}'





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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: PING THE HOST TABLE

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3601 - December 19, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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PING THE HOST TABLE

There's no need to grep and
pipe the output into awk
(you can "grep" with awk.)

awk '/^[0-9]/{print $1}' /etc/hosts |xargs -l ping -c 1 $1


This tip generously supported by: bmaclean@silverplatter.com

And another:

awk '/^[^#]/ {system("ping -c 1 "$1)}' < /etc/hosts


This tip generously supported by: maddox@xmission.com




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: USES FOR AWK

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3600 - December 18, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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USES FOR AWK

If you have a server
with alot of filesystems
on it (oracle/SAP
environments) then this
little awk command can
come in useful. It can
obviously be used in many
other situations also. In
this example, the file
structure is /oracle/PRD/xxxx.

awk '/PRD/{ print "umount " $3 }' /etc/vfstab | /sbin/sh

If you run it without
piping it to 'sh', then it
will show you what the command
will do. You can replace the
'umount' with whatever command you
like. It's a quick and easy though.





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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: PERL FIND AND REPLACE

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3599 - December 17, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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PERL FIND AND REPLACE

In UNIX environment, the
following combination of perl
and find will serch for a
particular file and replace
the occurence of a particular
string with another string in
that file. This will also
work for multiple files and
directories. The find
command finds the file and
the perl script replaces
old string with the new one.


At the command prompt give
this command:

# perl -pi -e 's/<old string>/<new string>' `find . -name "<file name>"`

NB: Perl should be in the
path and the general regular
expression rules apply while
using special characters
for eg / or .


This tip generously supported by: pandpr@dh.cit.alcatel.fr




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: BE ALARMED

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3598 - December 16, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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BE ALARMED

Name the following script
alarm. Make it executable
and them invoke it as:

% alarm 10 "Time for tea"

After 10 seconds machine will
echo Time for Tea
and beep five times.....

---------------

#! /usr/bin/ksh
# alarm program
# displays a message at
if [ $# -ne 2 ]
then
echo "USAGE : $0 seconds message"
exit 1
fi

time=$1
mesg=$2
signal_alarm()
{
sleep $time
banner $mesg
for i in 1 2 3 4 5 6 7 8 9
do
if [ $i -eq 2 -o $i -eq 4 -o $i -eq 6 -o $i -eq 8 ]
then
sleep 1
else
tput bel
fi
done
}

case $1 in

[0-9][0-9][0-9] | [0-9] | [0-9][0-9] )signal_alarm &;;
*)echo Seconds range is from 0 to 199;;

esac




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: NUMBERING A FILE

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3597 - December 15, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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NUMBERING A FILE

Ever want line numbers
appended to a file. Here
is a short script.

awk '{no=no+1; printf"%d : %s", no, $0}' filename > filename.out

Another shorter but not
necessary elegant method
is:

grep -n . filename > filename.out

filename is the original file
filenmae.out is the file with
line numbers appended at the
beginning of each line


This tip generously supported by: pradeep@unixguru.zzn.com




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: BACKING UP FILES

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3596 - December 14, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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BACKING UP FILES

Ever needed to backup all
of your configuration files
in one fail swoop?

Using an editor create a
file:

vi configlist

Enter the full path of the
files needed to backup.

/etc/passwd
/etc/inetd.conf
/etc/hosts/allow
/etc/hosts.deny
and so on until you have a full list of files.
Save the file and quit

:wq!

Compress the files using tar:

tar cvfzT /tmp/backup.tar.gz configlist
tar: Removing leading `/` from absolute path names in the archive
etc/passwd
etc/inetd.conf

WARNING! This file contains some files that could only be read by a
limited number of users. Store it carefully so only the Administrator can
access it.

Check "man tar" on your flavor,
the "z" and "T" options are
not available on all flavors
of unix.

This tip generously supported by: darren.mallett@tradermedia.co.uk




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: SNEAK THE EDUCATION IN

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3595 - December 13, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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SNEAK THE EDUCATION IN

During these times of tight
budgets. It is hard to
convince the boss to pay for
a class or conference. When
being quoted for a new
system ask the vendor to
toss in some education
classes into the price of
the quote.

There are 2 benefits to this:

1) Education in most
IT organizations comes out of
a different budget so you
are saving the company money
since that you don't need to
use the funds from that pool
of money.

2) If you need to negotiate
the price of the quote or tell
the vendor you are taking it
to bid against a competitor;
educational classes are like
dessert at a restaurant. They
sometimes can toss it in for
free to keep your business.

But either way, the goal is
to get the classes on the
quote!



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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: MANIPULATE MULTIPLE FILES

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3594 - December 12, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


MANIPULATE MULTIPLE FILES

If you have a directory with
large number of files and you
want to rename or copy or
process it, here is a simple
way to do it;

# for temp in *
> do
> echo cp $temp $temp.org >> t.txt
> done

You can change the copy command
to what ever that you need to
do. This will create a file
tmp.txt with all the files
listed in the current working
directory and insert a line
into the file tmp.txt as;

cp filename filename.org


This tip generously supported by: tyl@computer.org




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: UNDO HP SECURE PASSWORD FACILITY

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3593 - December 11, 2014

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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


UNDO HP SECURE PASSWORD FACILITY

If you have run command
pwconv to convert to secure
password and later want to undo
it, here it how;

/etc/tsconvert -r

This only for HP Unix and no
man pages for this.


This tip generously supported by: tyl@computer.org


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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: COMMENT OUT MULTIPLE LINES

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3592 - December 10, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


COMMENT OUT MULTIPLE LINES

Ever wanted to comment out
multiple lines of code while
writing shell
scripts in vi, but didn't want
to pound your keyboard for half
an hour doing it?

(I#Escape j.j.j.j. = carpal tunnel)

Here's the nerdy way to do it:

:.,+N-1 s/^/#/g

Where N-1 is the number of lines
minus one that you want to comment
out, and s/^/#/g is the regular
expression (the pattern between the
first two slashes is what you want
to replace, in this case the
beginning of the line, and the
pattern between the last two slashes
is what you want to replace it with).

For example, if you're a bad
coder like me and want to comment
out 500 lines of code, you would do:

:.,+499 s/^/#/g



This tip generously supported by: maddox@xmission.com


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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: HOW MUCH SOLARIS MEMORY?

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3591 - December 9, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


HOW MUCH SOLARIS MEMORY?

To determine the amount of main memory on Solaris:
1) /usr/platform/sun4u/sbin/prtdiag
2) wsinfo
3) '/usr/sbin/prtconf | grep -i memory'


This tip generously supported by: M.Nithyanandham@blr.spcnl.co.in




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: EDITING OF LARGE FILES

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3590 - December 8, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


EDITING OF LARGE FILES

Ever failed to open a very large
file for editing in vi. Just try
this tip:

Suppose you want to make changes
in top 500 lines of a 100 line file
abc.txt.

tail +500 abc.txt > tail.txt
head -500 abc.txt > head.txt

Edit file head.txt by opening in
a vi editor.

Now append file tail.txt to
head.txt by:

cat tail.txt >> head.txt
mv head.txt > abc.txt
rm head.txt tail.txt


This tip generously supported by: akash@cadence.com




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: LEAKING MEMORY?

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3589 - December 7, 2014

http://www.ugu.com/sui/ugu/show?tip.today

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LEAKING MEMORY?

Do you want to know the list
of memory leak detecting tools:

http://www.cs.colorado.edu/homes/zorn/public_html/MallocDebug.html


This tip generously supported by: M.Nithyanandham@blr.spcnl.co.in




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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: TRUSS THE PID.....

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3588 - December 6, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


TRUSS THE PID.....

To check the system calls and signals
coming into and going out of a
process use /usr/bin/truss.

i.e. truss pid


This tip generously supported by: bareddy_sm@yahoo.com



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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: VERIFY AFTER VACATIONS

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3587 - December 5, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


VERIFY AFTER VACATIONS

Be sure to check all vital systems and
processes once returning froma vacation.

Don't ignore your log files or backup
reports. You may have alot of email
from automated jobs. READ ALL OF THEM!




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: VERIFY AFTER VACATIONS

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3586 - December 4, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


VERIFY AFTER VACATIONS

Be sure to check all vital systems and
processes once returning froma vacation.

Don't ignore your log files or backup
reports. You may have alot of email
from automated jobs. READ ALL OF THEM!




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: FIND AND EDIT IN ONE

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3585 - December 3, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


FIND AND EDIT IN ONE

Have You Ever found a need to find a file for a particular pattern and then
edit the same ??

Here is an easiest way....

At the UNIX prompt,
Just type:

vi `find . -name "*" -exec grep -l "pattern" {} \; -print`

Where "pattern" is the string to be searched.




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: CARROTS ARE GOOD FOR YOU

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3584 - December 2, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


CARROTS ARE GOOD FOR YOU

Most often when we try to execute a command at the shell we do
some mistakes like missing out a char or misspelling it.
Here is a easy way of correcting the mistake without having
to type the entire command again!.

In the below command "name" has been misspelled as "naem"

$ find . -naem "*.txt" -print
find: invalid predicate `-naem'

The above command would be valid if we replace "em" (in naem)
to "me"( to have name ). Use carrots to make this change

$ ^em^me^
find . -name "*.txt" -print

This technique works well with bash and csh.

This tip generously supported by: desikann@future.futsoft.com




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: WHERE ARE THOSE PARENTHESES?

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3583 - December 1, 2014

http://www.ugu.com/sui/ugu/show?tip.today

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


WHERE ARE THOSE PARENTHESES?

Do you ever lose your way in multiple levels of parentheses
or braces? If you program in Perl or C, you know what I
mean. Let the vi "%" command help you. Move the cursor to
a parenthesis or brace and type %. vi will move the
cursor to the corresponding character. Hit % again and vi
will return to the original parenthesis or brace.

For extra power, issue "/{" to find the first open brace.
Hit "%" twice to find the corresponding brace and return.
Hit "n" to find the next open brace. This allows you to
zip through the file checking your program structure.

It makes you feel sorry for Windows-based editors!




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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================