Ubuntu Servers :: General Information On Scripting?
Mar 1, 2010
I am willing to learn. I purchased and am currently reading The Official Ubuntu Server Book, and I think I have found my first side project. First, the book said Ubuntu Server is pretty much coded with a scripting language called Python. I want to define the different init levels of my server. I want to define like init 5 to have a GUI interface, just for kicks. A GUI might come in handy when doing certain things in Ubuntu Server, I just don't know, simply because I've been working on the command line. So my first question is, do I need to learn Python to script in Ubuntu Server? I have very little experience coding let alone scripting. The book has example of Upstart scripts, but I was wondering if the language is Python?
So I guess my question is a general question to scripting If I were to focus my time in learning Python as well, would I be able to customize/utilize more of Ubuntu Server? I'm not exactly sure what to learn/read as well to this. I'm trying to broaden my horizons, and I've decided to experiment with Ubuntu Server.
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Jul 30, 2011
How would you make NIS user information override local user information on client systems? This is what I think is right? Add nis on the passwd registration file on the second line Is this correct?
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Sep 12, 2010
I'm trying to switch over my old server(9.10) data to a different server(10.04). My old server only had 2 drive bays, whereas my new one has 4. I already have my new server up and running(for the most part), and want to add the old hard drive to it. How would I do this without losing any information. I believe even my old drive is formatted to ext4. I was going to just throw it in there, but I'm afraid of losing information as I really don't want to lose a 1tb of info. I did try to search, but my title had too many common words in it.
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Mar 31, 2011
How to get the following information using terminal in ubuntu I googled entire internet but could not find it:
1. What patches has been selected(installed) in my installed kernel(current kernel).
2. List of installed drivers.
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Jun 16, 2011
Though I have uninstalled and rm -rf'ed everything I can find having to do with ufw, I am still getting weird output from iptables -L If I type in
Code:
iptables -F
iptables -Z
iptables -L
I should get
[Code]...
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Mar 2, 2010
How do I install this on my server? Here is an example: [URL]
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Mar 30, 2011
Just wondering, what happens when you have multiple server softwares listening to the same port? will it be able to distinguish which service to use by the protocol information, or is it setting it up for failure?
IE: http and ssh both listening to port 80.
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Aug 26, 2009
I set up a website in my home directory, which works fine except running some .cgi scripts. the suexec.log shows this error message :
"cannot get docroot information (/home/weixi)"
does anybody have any suggestion what's wrong with it? I use Fedora 11.
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Aug 19, 2011
I have just been gifted with a Linux dedicated server for the next six months, with an option to renew after that time has expired, and I'd like to set it up for FTP/P2P use. I do have some familiarity with Fedora from work, but only as a pre-installed desktop OS. The company providing the server has asked me to choose a OS, so of course I picked the one with which I already have some knowledge. They've also asked me to provide partition and mount point information, and it's here that I'm having some problems. I've spent most of my free time today reading everything I could about partitioning for a server, and I'm still not comfortable making this decision on my own.
The server comes with two drives - one 500GB and one 1TB, and 8GB RAM. My thinking is to use the 500GB drive for the OS, and the 1TB for media storage. I know I still have a good bit of learning to do, but I just want to get the blasted thing set up so I can get on with the hands-on part of figuring out how it works.
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Jan 25, 2010
Php file that basically runs a few commands and echoes the output. It's for checking things like temperatures etc, space free.
You can see it in action here: [url]
I've attached the actual php file.
Two questions:
1) What more can I add to it to give me even more information?
2) I want to add hddtemp but it requires sudo to run. How can I get around this?
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Sep 17, 2009
Is there a firefox add-on to script HTML and/or Javascript directly inside firefox
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Sep 3, 2009
I'm trying to write a program which would get information from a webpage and display the information on my desktop sort of like a widget. I kind of remember there being something like this already made, but for the life of me I can't remember what it's calledDoes anyone know?
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Aug 5, 2010
There is a scripting language made for Windows called AutoIt. It can do things like, for example, if a user highlights a word and presses a certain hotkey, it can copy that word into memory, open up firefox, go to google.com, paste the word into the text box, and click the button to search. What are some of the easiest scripting languages in Linux to learn that can do this?
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Apr 20, 2010
Does anyone know of any man pages that would provide me information on commands in shell scripting like while or case? I have a test tomorrow where we have to write shell scripts and we're allowed to use the man pages, but not allowed to look at previous scripts. I don't feel like memorizing a bunch of commands if I don't have to.
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Feb 15, 2011
What is shell scripting? what is 'bash'?
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May 15, 2010
What is the purpose of bash scripting? Is it just for file manipulation?
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Sep 6, 2010
I've been playing around with awesome wm, uzbl and doing quite a bit of reading and thinking. Do more programs need scripting support? I've found that being able to tell a program what I want it to do specificially has made life much easier. I'm finding some things (my prefered editors, ed and vim) are starting to seem a little limited since what they can do is fairly well defined and hard to change.
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Dec 6, 2010
Just give me any project on shell scripting .. to start working on it and practice my self ..
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Feb 15, 2011
I am a bit confused with the first line while writing a shell script , if someone can please explain me the meaning of the first line " #!/bin/bash "the confusion for me is the # at the beginning , in shell scripting # means a comment. but in this case it loads the shell which the script must use,instead of commenting the line how is this possible. where is this defined , any particular file.
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Mar 7, 2011
I have a question;
Is it possible to set incrontab in bash script? I tried to set normal crontab and it works like a charm but unfortunately not "incrontab"
I have two bash files; test-incrontab.sh and addlinetocrontab.sh and here are the contents of these files respectively;
Code:
Code:
As you can see there are two enteries in each file. One for normal crontab and other one for incrontab. When i run "test-incrontab.sh" like following;
Code:
crontab works perfectly and i can see cron job set but for incrontab it just does not work. No error either!
I am only getting this back "table unchanged"
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Apr 26, 2010
So for example, I uses VBscript to script out my tasks in Windows, and more recently PowerShell.From a Linux Admin's point of view, what scripting would he/she need to know? Would being proficient in Bash be sufficient or should you supplement that with something else? (if so, what is that something?)
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Dec 22, 2010
I have been working on CentOS from the last 6 months. I want to know that which scripting language is best to learn.I heard about Python and bash scripting.And I think Python is fastest among others.
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Jan 13, 2011
I'm trying to get an output of a file in numeric order. Basically I need the starting number and the ending number in sed this into anther file. The test2.lis file I'm just awk'ing for the first row and if its out of order put it in order so I can grab the first and last numbers. I'm sure I can do this all in an array. The first sed command gets rid of blank lines and outputs it to a file. Then I head and tail for the first and last number then I want to sed those numbers into a file that exsist.
[code]...
The error I get is:
sed: -e expression #1, char 24: unterminated `s' command.
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May 5, 2011
I know this is somewhat lame, but I remember back in college the MOTD on some of the systems was a random quote. I always wanted to do that. It seemed really trivial, but still neat and clever.
I searched a bit and don't see anything built-in for CentOS, so I was considering writing a Perl script to parse the RSS feed from a quotes site, then update /etc/motd with a random quote from the feed. This would nearly guarantee I could have this on any distro with identical results. Does anyone know of anything that already exists? Is anyone interested in using a script that I write to have the MOTD updated with random quotes themselves, or am I the only one? I'm perfectly willing to share the result when I'm finished.
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Jul 29, 2010
I am trying to learn more about global expressions and how it is needed in changing stuff in vi and in shell scipting in general.My question is basic:
How can I add a " # " pound sign at the beginning of every line in a file. So if I want to remark out every line in a file, what would be the global expression for that? Is there a global expression cheat sheet?
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Feb 22, 2010
I'm looking for a way to dynamically modify a fied in the SQL file.
Example,
INSERT INTO `TABLE` VALUES(1AADFDF,DFF33D,10023,SOMEDATA, SOMEDATA);
INSERT INTO `TABLE` VALUES(1AADFDF,DFF33D,10098,SOMEDATA, SOMEDATA);
[code]....
The third field in this SQL file is what needs to change to n+1
"10023" needs to change to "1"
"10098" needs to change to "2"
"10123" needs to change to "3"
"10983" needs to change to "4"
etc...
I tried with awk and sed, but since both require the usage of ' (single quote), my variable fails to get updated. I know i can use cut and recreate the sql statememnt, but i believe there should be easier way using sed or awk. Would anyone know of any creative way to get this to work in one-liner? This needs to be a part of the script preferable without making call to external file.
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May 2, 2011
I am working on some homework, however i am not here to be spoon fed. I am trying to get the numerical modification date of each file in a folder. Ie lets say there is a file called bob and it was modified 2006-11-23. i want to get it into a variable as 20061123.
Now i currently have this code:
Code:
However for some reason my output is:
Quote:
See how the 2011 has been placed next to it? i ran it with -x and saw this:
Code:
However i do not know how to find a way around this?
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Mar 31, 2010
i would like to ask something very simple i hope for most off you but i couldn't find anything in other questions so specific...
So...i need a command to stop another command.
more specific i have to run airodump-ng and i want this command to stop after some seconds (or minutes) automatically....
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Apr 3, 2011
how to combine bash scripting with apache.
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Feb 27, 2011
I am working on a simple script that should take two command line arguments, a [number] and a [name]. The first thing the script should do is check to make sure that no more and no less than two command line arguments have been entered when calling the script - an error message should be delivered if the condition is not true.
If two args have been entered, then the message 'processing "scriptname"' should appear, where scriptname is the name of the script being called. The script should then write to the screen "Hi [name]!", and should write this phrase [number] of times. For example, the command $ myscript 2 joe would produce the output: I have read the manual many times looking for examples, and I am very close by virtue of my own efforts. Further, I have searched these forums and others for good examples, which have also gotten me very close. Still my script is not completing the objective, and I am wondering if someone could point me in the right direction. Script:
[Code]...
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