Programming in an Interpreted language executed by a running Shell

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2answers
182 views

re-create new link and remove the old link on one command

according to ln manual page: man ln -f, --force remove existing destination files so as I understand if I want to re-create new link to some destination directory/file I can ...
0
votes
0answers
214 views

How to get range time a log file in shell script

How to get range time using awk command? I have two variables $from and $to with format (hh:mm:ss) I want to get the range time between two variables. For example: get all range time between: ...
0
votes
4answers
130 views

How to automatically clean up date stamped logs

I have an apache web server with various virtual hosts. Each virtual host logs to date stamped files using cronolog. The result is that I end up with a lot of files like this: ----rw-r-- 1 root ...
0
votes
2answers
344 views

FreeBSD rc.d scripts do not return to proper shell

My interesting problem is that when running some rc.d scripts they do not actually drop back to the root shell, but leave me at an intermediate shell as the user they're supposed to be running as. A ...
1
vote
2answers
796 views

shell script in crontab, not all output being logged

I've got a simple shell script that runs a few LFTP commands and processes the files. When running straight from bash I get full output of those LFTP commands on screen. When running from crontab ...
-2
votes
1answer
135 views

case + how to implement equal or less or greater in case syntax

my target is to verify the range of number with (only with - case + esac ) , and print the range so for example if number is between 0-80 , case will print >=0<=80 or if range is ...
0
votes
3answers
58 views

Finding the file/script that invoked a process

I do have a high CPU utilization PhP Process. This process in turn seem to invoke mysql and both processes together are using all the CPU cores and RAM using ps aux | grep php , i could get the ...
1
vote
1answer
229 views

Mysql incremental backup and point in time recovery

I have a requirement for doing Incremental backup of MySQL database. For which I'm writing a shell script using the concept of binary logs. Now, the scenario is such that a full-backup will happen ...
-1
votes
1answer
179 views

running script containing sudo in cron [duplicate]

#!/bin/bash value=$(<man.txt) echo "$value" if [ "$value" == "true" ]; then echo "startedif_manthan" ps -ef|grep sym |awk '{ print $2 }'|sudo xargs kill -9; sleep 30; sudo sh ...
-1
votes
3answers
74 views

Cannot start a script

#!/bin/bash value=$(<man.txt) echo "$value" if [ "$value" == "true" ]; then echo "startedif_manthan" ps -ef|grep sym |awk '{ print $2 }'|sudo xargs kill -9; sleep 30; sudo sh ...
-1
votes
1answer
43 views

Different behavior from ubuntu server and ubuntu client on windows [closed]

#!/bin/bash # Reading cat /home/radiare/Desktop/first.txt | while read LINE do if [ "$LINE" == "false" ]; then echo "Inside first loop" break fi done cat /home/radiare/Desktop/second.txt | while ...
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votes
2answers
82 views

perl one liners + add empty line after the last line [closed]

please advice what need to change in the perl syntax in order to add new empty line after the last line? example IP_INFO=12.23.2.1 echo IP= | perl -pe "s/$/$IP_INFO/" 1>>file . ...
1
vote
4answers
75 views

Howto: command/tool ability check

When developing a shell script that should run on various unix/linux derivates, i sometimes have the problem that some tools have to be called in a different way compared to other systems. For example ...
0
votes
1answer
90 views

ZSH escaping / file matching pattern

This works from command line: scp -r ^.git b:/home/wopi/blyzics/. when I paste the above line in a script like this: #!/usr/bin/env zsh scp -r ^.git b:/home/wopi/blyzics/. And run it ...
0
votes
1answer
272 views

ssh tunnel and rdesktop in one line

To access a windows machine remotely I have to tunnel through a ubuntu server of mine. To setup the tunnel I have ssh -l root -C -L 9999:windowsmachine:23389 myserver Then I have to open another ...
-1
votes
3answers
271 views

Script to restart httpd if crashed

With heavy trafic, it happen that's my HTTP service crash on my dedicated server. Then, I have to restart httpd service manually. I just search for a shell script that's detect if HTTP service is OK ...
1
vote
1answer
98 views

escaping spaces in shell script

yesterday="2010-06-23 00:00:00" today="2010-06-24 00:00:00" mywhere="lastupdate>'$yesterday' and lastupdate<'$today'" mysqldump $param ticket --no-create-info --where=\"$mywhere\" The last ...
0
votes
3answers
4k views

how to run shell commands from apache (through php )

I'm using redhat 6 I have the following shell commands that I need to run from the webserver (apache -> through php ) that basically move & overwrite a file , kill a process and starts another ...
3
votes
1answer
165 views

echo $? doesn't work when executed remotely

When I execute a command as below it gives me an output as expected but when I run the same command on remote server it always gives me echo $? as 0. locally # <some command> # echo $? ...
15
votes
4answers
42k views

How do I sleep for a millisecond in bash or ksh

sleep is a very popular command and we can start sleep from 1 second: # wait one second please sleep 1 but what the alternative if I need to wait only 0.1 second or between 0.1 to 1 second ? ...
0
votes
1answer
313 views

Using NFS mount script with grandfather father-son script but only getting 6 daily backups. I should also have 4 weekly and 2 monthly backups

I'm using rsync to clone changes from a remote server(MT DV4.0) to a local one(ubuntu 11.10). I'm then using the following copy/paste script to compress then archive the files. #!/bin/bash ...
0
votes
2answers
200 views

Issues in Play framework Server when I start using su deploy -c “play start”

I have play framework server and Im doing Automation using Hudson, When I start the play server using su deploy -c "play start" it's fine the logs are getting updated and server is started. The same ...
0
votes
1answer
236 views

How to combine outputs of ps and lsof

Usually output of ps has a pid somewhere. Is there a way to combine this, preferably with a one-liner, with an output of lsof ? e.g. 27915 ? Ss 0:03 gpg-agent --daemon gpg-agent 27915 ...
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votes
2answers
222 views

shell: create Shortcut command (alias or function) for working with IP address as arguments

I am not sure if I performed the following illegal or true but what I need is - to create set of ready commands so if I need to use , for example to match IP address with 4 octet I can use the ...
-2
votes
1answer
124 views

linux + count how many digits in IP address [closed]

I write the following syntax (exist in my ksh script) in order to find how many digits I have in IP address IP_address=127.1.1.1 echo $IP_address | sed s'/\./ /g' | wc | awk '{print $2}' 4 . ...
-1
votes
1answer
265 views

shell script - while loop, handle the exception

I am running a shell script with a while loop and it exits with the below error, how could I avoid it or catch the error and let the loop to continue ? ie how could I handle the exception stty: ...
-1
votes
4answers
145 views

Shell script for loop is behaving unexpected [closed]

Shell script for loop is behaving unexpected ! The requirement is need to iterate the loop line by line of the property file. Its mandatory to use the for loop. hostnamefl=/tmp/propperty.txt for ...
0
votes
2answers
144 views

Oracle Golden gate version using shell scrip

I am trying to grep the Oracle golden gate from a remote machine, But along with version it is giving some error details also, How do I resolve it ? user@serverhost:/dbei > echo <golgengate ...
0
votes
3answers
224 views

grep + Regular Expressions to match uniq number

My target is to verify if $FILE is a backup file ( backup file ended with xxxx.xx.xx.xx number Example of backup files ls /etc/VRTSvcs/conf/config main.cf.17Dec2012.09.10.14 ...
0
votes
2answers
2k views

Configure the UPS apcupsd demon to run a script?

I have a ups connected to a Linux server with a usb cable, i installed apcupsd demon and i was wondering how to instruct it to run a shell script i created when a special condition occurs? i.e. the ...
0
votes
1answer
353 views

linux cron mysqldump: php exec() vs shell script vs direct command in crontab

The system is running CENTOS 5.8, Apache 2.2.3, MySQL 5.0.95, PHP 5.3.3 We run mysqldump daily for a few databases. It's run via a php script called in crontab. They are run at the same time and ...
0
votes
1answer
96 views

Linux/Solaris verification ( after hostname change ) in files according to hostname rule

According to the following Perl command ( this command part of ksh script ) I can replaced old hostnames with new hostnames in Linux or Solaris previos_machine_name=linux1a ...
1
vote
5answers
178 views

Solutions for scheduling cronjob

I have setup a list of cron, Some of the cron script takes a long time to run (like 1-5 hours, and they are increasing every day). I do not want to run two cron scripts at the same time, as I do not ...
0
votes
2answers
1k views

linux\solaris + print specific date format from file

subject - print file date on solaris as format: yymmdd ( yy - year , mm - month , dd - day ) on Linux machine I type the following command in order to get: file date as the following: ls -l ...
0
votes
2answers
660 views

How to add a variable into a grep command

I'm running the following grep command var=`grep -n "keyword" /var/www/test/testfile.txt` This work just as expected but I need to insert the file name dynamically from a loop like so: var=`grep ...
0
votes
2answers
185 views

linux/solaris + how to verify OS (linux / solaris ) creation date

Please advice – how to verify OS (linux / solaris ) installation creation date which file/packages/other – can be good indication when the operation system was created/installed ? For example I ...
1
vote
3answers
821 views

linux/solaris kill many proccess with one command

Is it possible to kill all find process with one command? I do not want to kill each process as kill -9 25295 , kill -9 11994 , etc.. Rather, what I want is a simple way or command that kill all find ...
0
votes
1answer
295 views

perl + sed + remove lines that start with “#”

please advice I have linux and solaris machines, and I need command that work on both OS I use the following perl line in order to remove all lines that start with "#" why perl command not work , ...
1
vote
1answer
239 views

Tool to correlate logs by timestamp

I have various log files, some with the same format (webserver + webserver SSL), some with different formats and even different timestamps. How can I correlate these log files together in a simple ...
2
votes
2answers
878 views

trap “” HUP v.s Nohup ? How can I run a portion of shell script in nohub mode?

I want to run a shell script over the weekend, but I wanna make sure if the terminal loses the connection, my script won't be terminated. I use nohup for the whole script invokation, but I also want ...
2
votes
2answers
1k views

How can I kill and wait for background processes to finish in a shell script when I Ctrl+C it?

I'm trying to set up a shell script so that it runs background processes, and when I ctrl+C the shell script, it kills the children, then exits. The best that I've managed to come up with is this. It ...
2
votes
1answer
87 views

Distributing a custom command line tool to enterprise servers

I've been tasked with building a command line tool that we will be providing to our enterprise customers so that they can use the API to upload data to our platform. The API works with standard cURL ...
2
votes
2answers
4k views

How to set postgresql user password in bash script

I want to set a password for the default Postgresql server user, postgres. I did it by using: sudo -u postgres psql # \password postgres I want to do this step in many machines, so I would like ...
-4
votes
2answers
454 views

Check a list of passwords strength [closed]

Is there any way to check a list of passwords whether they strong or not? I have a list of passwords, around 2000, and want to check them against this policy Password must contain a minimum of ...
-1
votes
2answers
445 views

Simple dig output?

In a script I want to be able to write an IP address to somewhere easily, so I thought using dig (or a similar command) with back-ticks. However the simplest output I've been able to come up to wrt ...
0
votes
4answers
4k views

Command does not execute in crontab while command itself works just fine

I have this script from Colin Johnson on Github - https://github.com/colinbjohnson/aws-missing-tools/tree/master/ec2-automate-backup It seems great. I have modified it to send email to myself every ...
0
votes
2answers
668 views

Root crontab not executing script

I have a script listed in my roots crontab 07 9 * * * /opt/HLRSDATA_2010_OCT/HLRS_Scheduler_sp.sh > /opt/HLRSDATA_2010_OCT/logs/HLRTKJob.log This script contains the following #!/bin/bash echo ...
0
votes
1answer
111 views

solaris + manipulate lltconfig command

I work on Solaris 10 machines (eg de1a and du1b). Regarding the lltconfig command, is it possible to view only one device (eg NIC e1000g0) and not the entire list? For example I want to get only ...
1
vote
1answer
141 views

solaris + match the network device name according to IP address

how to find the device name as ( e1000g2 , e1000g3 , etc ) according to his IP address on Solaris machine for example ifconfig -a | grep 10.106.134.133 inet 10.106.134.133 netmask ...
1
vote
2answers
124 views

ksh + match and verify two strings in single line

how to match the words linux1a and linux1b from single line ? ( should be performed by ksh ) list="solaris1a Auto global linux1a linux1b" echo $list | .... ? my target is to find ...