Ubuntu :: Trying To Write Script To Perform Tasks Number Of Times Depending On User Input?
Apr 13, 2011
I'm trying to write a bash script with a for loop that will perform two tasks a number of times depending on the number the user enters at the start. Here is what I got so far. It works fine the first time but then it just exits with no error msgs. The problem is in the way I have written the loop command. I have searched the web for examples to find out what I'm doing wrong with no luck.
#!/bin/bash
declare -i Num=1
declare -i Strnum=8
[code]....
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Sep 26, 2010
I often get responses from people who first say: "Are you sure? You want your network to be exposed to the outside world?" I am not experimenting on a Production Server of NASA or any Security Concern Department. Friends, there is no harm in experimenting on your personal computer or on a test computer which is isolated from the production environment. Look at hackers! What do they do? If they don't know how security is breached then how would they come up with security measures?
If my question reads... "How to let any user perform Administrative Tasks on a Linux System irrespective of his/her privileges on that particular system?" then I would not get the right answers in the first place. They will say... "You are letting everyone destroy your system... are you sure you want to do that?" My question is: Why should we restrict ourselves from experimenting even if it sounds weird to other people?
I give you an example where it is desirable to let an unprivileged user perform certain tasks. You want to know if there are any employees in your office who are storing videos in their home directory and filling up the disk space to a great amount. You have a department called "Command Center or Data Center Operations or Help Desk" call it whatever you would, whose work is to monitor such activities, and you create an account "monitor" for them to monitor such activities but they are not able to do them:
[Code]..
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Jan 25, 2011
If I only want to let a user be able to login via telnet a max number of times equal to 2 how would I go about doing this?I have found this little tid bit:per_source = 2but that only allows 2 connections from the same source (i.e. network) and that would not work. For some reason our telnet sessions are not dying off after a user has shutdown their PC and then the next time they login it adds another telnet session.
1. user1 31300 /dev/pts/409
2. user1 27539 /dev/pts/539
3. user1 18042 /dev/pts/316
[code]....
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Oct 5, 2010
There must be a way to perform privileged tasks in the Gnome desktop (or actually Nautilus, I guess)...similar to using SUDO in a terminal window.
For example I want to change the rights to a file, but Nautilus tells me I can't because I'm not the owner.
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Feb 21, 2011
I have a folder named "logs" which contains log files. I would like to have a bash script or a cron job or something like this which will check the folder continuousy and perform some tasks (for example echo "New file is created") every time a new file with pattern like "Screen.log.***" is created in the folder "logs"
Is it possible in Linux?
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Jan 8, 2010
Could not download all repository indexes.The repository may no longer be available or could not be contacted because of network problems. If available an older version of the failed index will be used. Otherwise the repository will be ignored. Check your network connection and ensure the repository address in the preferences is correct.and therefore i am unable to perform many tasks.this is a clean install of 9.10 on a brand new laptop
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Jul 14, 2011
I added a code into terminal and restarted, then I tried to install Java and this came up.'There seems to be a programming error in aptdaemon. This is the software that allows you to install/remove software and to perform other package management related tasks.'
PHP Code:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 961, in simulate
[code]....
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Feb 18, 2011
i want to write shell script that give a number between 1-3444 from user and if user enter out of range number give error e.g number must between
read -p "plz Enter Number " p
while [ $p != [1-9] -o $p != [1-9][0-9] -o $p != [1-3][0-4][0-4][0-4] ]
do
read -p "plz Enter Valid Number" p
done
but this have an error in while statement ! two many argument
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Nov 28, 2010
I am new to writing shell scripts. So, please bare with me. I am currently trying to write a shell script which will read the directory path as input from user and will traverse the Dir tree to find all available audio and video files. I have tried to write as much as I could but I don't know where I am making mistake as I get some files to be audio file which are actully tar balls. On the second note there are some files which video but script shows them to be audio. And, some video files are completely skipped. I am giving the shell script below so that you can see. I am using two external files as source which I am attaching.
Code:
#!/bin/bash
#Let's load the extensions that we want to search for
vdExt=$(cat vdExtList)
adExt=$(cat adExtList)
[code]....
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Apr 22, 2010
depending on ubuntu and jokosher and it didn't work, it wouldn't see the input in the mic.I download jokosher the night before on windows just in case, and it was needed.can do one day testing, no internet though, so post all possible things and solutions here.How i was recording. I was recording with a condenser mic always on, and outputting from a audio board for a coffee house.
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Apr 23, 2010
I thought these were the same password?In-fact, they WERE the same password on the set-up I currently have.But now, weirdly, I can log in fine but I the exact same password is not using in order to perform admin tasks.I've tried a recovery mode, console, and then "password (username)" in order to reset the password.This does reset the password I need to use to log in, but the password still does not work for performing admin tasks
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Jul 22, 2010
configure which dns the system will consult depending on which user iniciated the request.My goal would be, if user "peter" is logged in and has opened the browser, that requests for name solves from that user goes to certain/s dns server/s. And if user "anne" is logged and request name resolution, that request should be done to another dns server.To say it briefly, the idea would be configure selective dns server use depending on system users.
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Jun 5, 2010
How do you loop a video a number of times in ffmpeg or mencoder? I made a ogv out of a gif. It loops 1 time, so it's less than a second.
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Dec 30, 2009
I'm the POC for all my families Linux computers. Is it possible to get statistics on which programs are accessed, how frequently, for how long and by which user?
When it comes time to upgrade it would be useful so I know which programs to concentrate my testing. I usually just e-mail and ask but every time people forget to send me the programs they actually use.
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Oct 11, 2010
I recently setup a new Linux server running Fedora 10. For some reason all ping response times are rounded to the nearest 10ms. For example, running the simple command "ping yahoo.com" give the following sample results:
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=12 ttl=57 time=60.0 ms
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=13 ttl=56 time=50.0 ms
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=14 ttl=56 time=40.0 ms
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=15 ttl=56 time=50.0 ms
I could post a larger result set but its all the same... every response is rounded to a multiple of 10ms. This wouldn't be a big deal except that the server is running Nagios for monitoring so accurate stats are important. The Nagios check_ping and check_icmp commands are also returning rounded off results. How can I get ping to simply respond with the actual response times rather than a rounded off number?
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Feb 17, 2010
I want to write a shell script which will simultaneously collect OS user information and write in an individual text files.Can anyone tell me the syntax of the script.N.B. The user name will be mentioned in an array within the shell script.
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Sep 10, 2010
I'm thinking of a few ways to do this I'm curious how many better/equal ways there are to do the same task.in a file with format like: 20 text Gi0/2 some other junk I have it reformatted to look like this before going in a database: 0/2 20 text. But for whatever reason some of the new input text looks like this now: 20 text Gi1/0/2 some other junk
My script makes it look like this: 1/0/2 20 text. I want it to remove the leading number and slash if the input file is in the new format.
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Nov 3, 2010
I want to itemize addition for each type of transactions. The example below is for 3 days,10/13/2010, 10/14/2010, & 10/15/2010.
PROD =89.25+89.25+104.47= 282.97
TAX =9.37+9.37+10.37 = 29.71
ETAX = 1+1+1 = 3
[code]...
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Feb 9, 2011
I am using the package Quantum espresso to get electron phonon coefficients for monolayer graphene. While applying one of the executables, I got the error: "At line 356 of file q2r.f90 (Unit 51 "a2Fq2r.51") Traceback not availabel: compile with -ftrace=frame or -ftrace=full. Fortran Runtime error: bad real number in item 1 of list input
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Dec 15, 2008
I need to write a script which will get a number from STDIN and then with that number echo a set number of questions (its for a firewall config). Heres what I want the user to receive.
How many ports do you want open? 3
1. specify port: 80
2. specify port: 21
3. specify port: 23
In the background this will echo a command out to a text file which will read as follows:
open port 80
open port 21
open port 23
I've done this before but I've completely forgotten how
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May 23, 2010
I'm trying to install ubuntu 10.04 on my desktop. I would like to erase my old xp completely and have only ubuntu as my OS. I boot from cd but when I install it stops at 15% and keeps giving me this error:
Input/output error during write on /dev/sda.
It won't let me retry or ignore and when I cancel the installation continues until I get another error.
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Oct 27, 2010
So I have been doing some RAID 5 performance testing and am getting some bad write performance when configuring the RAID with an even number of drives. I'm running kernel 2.6.30 with software based RAID 5. This seems rather odd and doesn't make much since to me. For RAID 0 my performance consistently increases as I add more drives, but this is not the case for RAID 5. Does anyone know why I might be seeing lower performance when constructing my RAID 5 with 4 or 6 drives rather than 3 or 5?
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Feb 25, 2010
I've looked everywhere but I can't find where to change the default box for incoming mail, or am I on the wrong track. It's a nuisance having to change folders and I can't configure wastebin to empty on exit.And I can't get kmail to import from evolution. Do I have to go to the evolution storage and do it manually, and if so, how do I do that?
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Apr 7, 2010
i am trying to write a program which will read input from a text file, check if each line contains any alphabets and then display a message imforming me if there is an alphabet in each line. My text file is formatted in this way...
[Code]....
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Aug 29, 2010
I have been having a lot of trouble lately with installing from CD/DVD. The DVD reader/writer on this laptop is new. Nevertheless, trying to install Ubuntu onto an exernal HD, I get 'input output error on sr0 logical block (a large number) After a long time the booting proceeds to a point, but I never get the actual installation started, and have to shut down manually.
The CD is fine, says the Ubuntu-checker. I just installed using my sons laptop, and there was no trouble. Question: does this indicate a motherboard failure? A memory block damaged? Do you know of a diagnostic tool I can use to check the reading of a CD/DVD?
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Nov 28, 2010
i wonder if you can modify KDE so that users can only log in once with one session.Currently, with KDE 4.5, i have the problem that user can log in several times and then ending up with an application used in a different session which means that you can not use it in the other session.
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Sep 9, 2010
Some help with this problem:Code:Write a function that counts the number of occurrences of a pair of letters in a string
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Mar 11, 2010
I am connected to a network via SHH. Now, i know how i can see which users are logged on as well, but how can i see how many times each user has connected? this refering to users that have logged on at least once
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Oct 8, 2010
I need to write shell script which can take number of files and count total rows from all CSVs and display total number of rows counted in all files. Is there any possibility of doing that using shell script and if yes then how.
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Jun 4, 2010
I have Ubuntu 9.04 and I would like to know what is the command to find out the number of connections per user (i.e. ssh) and also what syslog module do I need to modify and how to enable it in order to have it logged, thing is I need to generate this event in order to see it in RSA enVision, I've tried with "who" but nothing is displayed, do I need to program something besides that? or what can I do? to have no. of connections and have that logged so I can see the event in enVision.
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