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• Cannot execute binary file

  - by user291727

  I am new to Ubuntu and I'm trying to install Popcorn Time. I downloaded 32 bit version and tried to install it but that's where the problem started showing. I duble clicked the executable file and well, nothing happened. It's a official download from their web-site but it doesn't work. Maybe I'm doing something wrong.....Anyway, I found out that you can insatll it from a script, but people keep talking in ubuntu terms and I don't understand it, so I have a few questions: 1.How to make a script? (witch I'm suppose to run in terminal using bash comand), 2.Is it normal that i cannot run the installer, and if that is an installer or just files for the program. 3.If it is an installer, how do I make it work? 4.What does " Cannot execute binary file" mean? Thank you in advance, hope I'm not asking too many questions(please understand that I'm new to ubuntu) and sorry about my English. xD

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• .bash_history and .cache

  - by John Isaacks

  I have a user who's home directory is a Mercurial repository. Mercurial notified me that there were 2 new unversioned files in my repository. .bash_history and .cache/motd.legal-displayed. I assume bash_history is the history of bash commands for my user. I have no idea what the other is. I don't want these files to be versioned by Mercurial, are they safe to just delete, or will they come back, or mess something up? Can they be moved to somewhere else? Or do I have to add them to my .hgignore file?

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• What does /dev/null mean in the shell?

  - by rishiag

  I've started learning bash scripting by using this guide: http://www.tldp.org/LDP/abs/abs-guide.pdf However I got stuck at the first script: cd /var/log cat /dev/null > messages cat /dev/null > wtmp echo "Log files cleaned up." What do lines 2 and 3 do in Ubuntu (I understand cat)? Is it only for other Linux distributions? After running this script as root, the output I get is Log files cleaned up. But /var/log still contains all the files.

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• Terminal flashing between current and previous screen

  - by cjordan1

  I just upgraded from Ubuntu 12.04 to 14.04. After upgrading the terminal will sometimes, but not always, flash between the current screen and the previous screen. Here are some examples: The output of an 'ls' command will flash on and off the screen. But when I press enter to start a new line, sometimes--but not always--the output of ls will stop flashing and instead the newline will begin flashing. Sometimes vim will start flashing between the current place and a previous place, such as right after a search. This also happens when I opened just sh within a bash terminal. (I was hoping the issue was just with my .bashrc, though I haven't changed it in months and didn't have any issues in 12.04.) This is incredibly annoying, and has made the terminal essentially unusable.Unfortunately, google-ing for a half hour hasn't shown anyone running into similar problems, either on 14.04, other versions of ubuntu,or other versions of linux.

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• Sudo Non-Password access to /sys/power/state

  - by John

  On my computer, pm-hibernate appears to be broken, however using the command echo disk > /sys/power/state appears to work perfectly. Now I just need regular user access to it, using sudo. How do I do this? The command sudo echo disk > /sys/power/state simply returns bash: /sys/power/state: Permission denied. Also, I need this in a regularly used script, how can I make it so that I don't have to type in my password for it to work???

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• Please help for change wallpaper on terminal where image from http (ubuntu 12.04)

  - by Yan Fachmi

  I need to change the background of my desktop in Ubuntu 12. 04 with a command in terminal, in order to make a script with bash. Does anyone know how to do it? but i want the image from internet... i know if i use local image would like this : gsettings set org.gnome.desktop.background picture-uri file:///home/icorner/wallpaper/curr.jpg but if i use something like this wont work gsettings set org.gnome.desktop.background picture-uri http://www.sergiuhelldragoon.com/wp-content/uploads/2012/04/dota_2_wallpaper_1_1280x800_by_zadelim.jpg Please anyone or somebody?... Thanks & regards, Yan Fachmi

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• Find directories that DON'T contain a file

  - by Oli

  Yes, I'm sorting out my music. I've got everything arranged beautifully in the following mantra: /Artist/Album/Track - Artist - Title.ext and if one exists, the cover sits in /Artist/Album/cover.(jpg|png). I want to scan through all the second-level directories and find the ones that don't have a cover. By second level, I mean I don't care if /Britney Spears/ doesn't have a cover.jpg, but I would care if /Britney Spears/In The Zone/ didn't have one. Don't worry about the cover-downloading (that's a fun project for me tomorrow) I only care about the glorious bash-fuiness about an inverse-ish find example.

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• Permissions depending on parameters passed to application

  - by Engineiro

  I have a java app that writes to a very important table I have. This is sudo protected, but this app takes a parameters for where the output should go. The default is the REAL DEAL but the "output" parameter takes priority over the default, so if a user provides a path that they have write permission for, say: /home/username/mystuff then I would like for users to be allowed to write to these directories. The app is launched in a shell script, so I am wondering if I can check that the string does not equal /path/to/real/deal and not empty (since /path/to/real/deal is the default) and allow users to write to places they have permissions for. My impression of linux permissions is that it is tied to the application itself and cannot be conditionally approved, but I wonder if there is some bash fu or alternative method I can perform to get me my desired result. Using Ubuntu 10.04.4 LTS

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• How to prevent script not to stop after apt-get?

  - by Eonil

  I keep some bash snippets and copy&paste them when I needed for management. But I discovered apt-get cancels script execution. Here's my script where problematic. apt-get -y install gcc g++ make cmake perl cd ~/ mkdir t1 cd t1 I copy & paste this script on OS X Terminal to Ubuntu 12.04 LTS server (fresh install on VM) Script always stop after apt-get finished. I run this command with root account like this. ssh user1@server <password…> sudo su <password…> apt-get -y install gcc g++ make cmake perl cd ~/ mkdir t1 cd t1 Can this be a problem? Or why my script stops after apt-get finished, and how to make it to continue?

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• Cron doesn't execute one of the scheduled jobs

  - by user288633

  I'm using a lubuntu desktop, distribution Ubuntu 13.10, i686. This is my problem: in the job list scheduled by cron a job hasn't effect, but in /var/log/syslog its execution is traced. This is the relative log line: Jun 4 09:06:01 kiosk CRON[14189]: (root) CMD (/usr/bin/xinput set-prop 12 --type=float "Coordinate Transformation Matrix" 0 -1 1 1 0 0 0 0 1 /tmp/mybackup.log) This job should rotate touchscreen mapping. I try different solutions: I substitute in crontab the with bash -c "", I set "export DISPLAY=:0.0" ("for Graphics related job in Unix Environment we need to set first the DISPLAY...") before the command,...and many other! I know there are a lots of details affect cron execution (path, environment variables, special character and other) and I have no more idea by now :( Could some gentleman suggest me an idea? where can I find the problem? Thanks in advance!

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• How to make the apt autocompletion work in minimal system (in LXC container)?

  - by Adam Ryczkowski

  When I work inside thin LXC container on 12.04 I have only very basic system. In particular the /etc/bash_completion.d is missing the e.g. apt, that I find particularly useful. Is there any standard package, that installs the autocompletion for the apt, or should I copy the file manually? And just copying the files into /etc/bash_completion.d manually just doesn't seem to work. I use bash as my command interpreter. What am I missing here?

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• Editing a command-line argument to create a new variable

  - by user1883614

  I have a bash script called test.sh that uses command-line argument: lynx -dump $1 > $name".txt" But I need name to be created from the argument by specific keywords in the argument. An example is: http://www.pcmag.com/article2/0,2817,2412941,00.asp http://www.pcmag.com/article2/0,2817,2412919,00.asp Both are two separate articles but are the difference can only be seen in those 12 characters. How do I create a variable from a url for those 12 characters? So that when I run test.sh in Terminal: ./test.sh http://www.pcmag.com/article2/0,2817,2412941,00.asp there is a text file saved as 0,2817,2412941,00?

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• What does /dev/null mean in a shell script?

  - by rishiag

  I've started learning bash scripting by using this guide: http://www.tldp.org/LDP/abs/abs-guide.pdf However I got stuck at the first script: cd /var/log cat /dev/null > messages cat /dev/null > wtmp echo "Log files cleaned up." What do lines 2 and 3 do in Ubuntu (I understand cat)? Is it only for other Linux distributions? After running this script as root, the output I get is Log files cleaned up. But /var/log still contains all the files.

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• Are "backwards" terminators for if and case unique to shell scripting?

  - by tomjakubowski

  In bash at least, if and case blocks are closed like this: if some-expr then echo "hello world" fi case $some-var in [1-5]) do-a-thing ;; *) do-another-thing esac as opposed to the more typical close of end or endif/endcase. As far as I know, this rather funny convention is unique to shell scripting and I have never seen such an odd block terminator anywhere else. Sometimes things like this have an origin in another language (like Ruby's elsif coming from Perl), or a strange justification. Does this feature of shell scripting have a story behind it? Is it found in other languages?

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• Is there a way to mirror directory changes in Terminator?

  - by Kasisnu

  I'm on Ubuntu 12.04 and am using Terminator as my primary terminal. I like it because it lets me keep a python interpreter and bash terminal open at the same time, in the same view. What is annoying is that I end up moving between directories A LOT, and then I have to do it twice. Is there a way to set up a terminator configuration to do that? To have terminator mirror directory changes. I'm guessing I'm not the only one that finds that frustrating!

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• Print out the amount of times 2 words appear in the syslog. But also have it tell me how many times for each hour

  - by wolfspinone

  So I'm trying to create a bash script that looks for two words in my syslog file. Then I want the script to print out how many times those two words have appeared. Also I want it to print it out for every hour of the day. So like if the word dog appeared 4 times during the first hour of today, it says Hour one, dog 4. Finally at the end of the script I want it to print out how many times those words appeared all day. The sudo code I have thus far is if 2 > hour find permit find block print both finish if 1 < hour < 2 find permit find block print both finish if 2 < hour < 3 find permit find block print both finish command is grep -o "\WORD\" Syslog.txt * | sort | uniq -c

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• -ln links to wrong file

  - by user289075

  I've just installed matlab and want to be able to call it from the terminal. It works fine when I explicitly call it from its directory. I cd to /usr/local/bin and type sudo ln -s /usr/local/MATLAB/R2012a/bin/matlab matlab when I then type "matlab" in the terminal, I get the error message "bash: /media/OS/MATLAB/bin/matlab: No such file or directory" I have no idea why it's trying to call matlab from /media. I've tried deleting the file from usr/local/bin but when I create it again the same thing happens. Any help would be very much appreciated.

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• Using ASP .NET Membership and Profile with MVC, how can I create a user and set it to HttpContext.Cu

  - by Jeremy Gruenwald

  I've read the other questions on the topic of MVC membership and profiles, but I'm missing something. I implemented a custom Profile object in code as described by Joel here: http://stackoverflow.com/questions/426609/asp-net-membership-how-to-assign-profile-values I can't get it to work when I'm creating a new user, however. When I do this: Membership.CreateUser(userName, password); Roles.AddUserToRole(userName, "MyRole"); the user is created and added to a role in the database, but HttpContext.Current.User is still empty, and Membership.GetUser() returns null, so this (from Joel's code) doesn't work: static public AccountProfile CurrentUser { get { return (AccountProfile) (ProfileBase.Create(Membership.GetUser().UserName)); } } AccountProfile.CurrentUser.FullName = "Snoopy"; I've tried calling Membership.GetUser(userName) and setting Profile properties that way, but the set properties remain empty, and calling AccountProfile.CurrentUser(userName).Save() doesn't put anything in the database. I've also tried indicating that the user is valid & logged in, by calling Membership.ValidateUser, FormsAuthentication.SetAuthCookie, etc., but the current user is still null or anonymous (depending on the state of my browser cookies). I have the feeling I'm missing some essential piece of understanding about how Membership, Authentication, and Profiles fit together. Do I have to do a round trip before the current User will be populated? Any advice would be much appreciated.

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• Profile of Scott L Newman

  - by Ratman21

  To:       Whom It May Concern From: Scott L Newman Date:   4/23/2010 Re:      Profile Who is he, what can he do? Two very good questions. #1. I am a 20 + years experience Information Technology Professional (hold on don’t hit delete yet!). Who is not over the hill (I am on top of it) and still knows how to do (and can still do) that thing call work! #2. A can do attitude, that does not allow problems to sit unfixed. I have a broad range of skills, including: Certified CompTIA A+, Security+ and Network+ Technician §         2.5 years (NOC) Network experience on large Cisco based Wan – UK to Austria §         20 years experience MIS/DP – Yes I can do IBM mainframes and Tandem non-stops too §         18 years experience as technical Help Desk support – panicking users, no problem §         18 years experience with PC/Server based system, intranet and internet systems §         10+ years experienced on: Microsoft Office, Windows XP and Data Network Fundamentals (YES I do windows) §         Strong trouble shooting skills for software, hard ware and circuit issues (and I can tell you what kind of horrors I had to face on all of them). §         Very experienced on working with customers on problems – again panicking users, no problem §         Working experience with Remote Access (VPN/SecurID) – I didn’t just study them I worked on/with them §         Skilled in getting info for and creating documentation for Operation procedures (I do not just wait for them to give it to me I go out and get it. Waiting for info on working applications is, well dumb) Multiple software languages (Hey I have done some programming) And much more experiences in “IT” (Mortgage, stocks and financial information systems experience and have worked “IT” in a hospital) Can multitask, also have ability to adapt to change and learn quickly. (once was put in charge of a system that I had not worked with for over two years. Talk about having to relearn and adapt to changes fast. But I did it.)   The summarization is that I know what do, know keep things going and how to fix it when it breaks.   Scott L. Newman Confidential

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• Profile.Get...asp.net

  - by kenom

  How do i get Profile information of anybody(Profile.Age,Profile.Name) when user is not logged?

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• Bash Shell; read command; using Cygwin on Windows 7

  - by user312397

  Okay so I am having this problem. I write up a script to be run in cygwin on Windows. I've tried a bunch of basic example scripts in case it was my scripts problem. So I tried this: #!/bin/bash echo -e "Enter your name and press [ENTER]: \c" read var_name echo "Your name is: $var_name" Then I will run it and I enter a name for var_name. I get this: $ ./project1.sh Enter your name and press [ENTER]: Jake ': not a valid identifierad: `var_name Your name is: So as far as I understand it I am having a problem with read. I am trying to work on a project for my class, but I can't seem to figure out why it won't read it. I followed the book with no triumph then resorted to these examples on the web that do not seem to work for me either. Does anyone have any idea if it is my setup or if I am missing something, thanks.

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• SharePoint User Profile Search

  - by lucasstark

  Is there a way to search profiles in MOSS from the object model? I need to search for profiles that have a certain value set on their profile and then perform some action for them. I need to write some c# code that can search the profiles database and return the matching profiles. Basically, List of Profiles = Select Profiles From Profile Store Where Profile Property Value = SomeValue I'm trying to avoid the following: private IEnumerable<UserProfile> SearchProfiles(string value) { ServerContext serverContext = ServerContext.GetContext(SPContext.Current.Site); UserProfileManager profileManager = new UserProfileManager(serverContext); foreach (UserProfile profile in profileManager) { if ((string)profile["MyProp"].Value == value) { yield return profile; } } }

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• "tailing" a binary file based on string location using bash?

  - by ilitirit

  I've got a bunch of binary files, each containing an embedded string near the end of the file but at different places (only occurs once in each file). I need to extract the part of the file starting at the location of the string till the end of the file and dump it into a new file. eg. If the file's contents is "AWREDEDEDEXXXERESSDSDS" and the string of interest is "XXX", then the part of the file I need is "XXXERESSDSDS". What's the easiest way to do this in bash?

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• How netbeans installation file (bash file) contains Java code?

  - by Daziplqa

  Hi folks, I wonder, how a bash file can contain a Java code that is responsible about the installation of netbeans IDE which is as known is a Java based program? this is the case of netbeans: $ file netbeans-6.8-ml-java-linux.sh netbeans-6.8-ml-java-linux.sh: POSIX shell script text executable $ more netbeans-6.8-ml-java-linux.sh #!/bin/sh # # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. # # Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. How this can happen?

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• Using a filename with spaces with scp and chmod in bash.

  - by speciousfool

  Periodically, I like to put files in the /tmp directory of my webserver to share out. What is annoying is that I must set the permissions whenever I scp the files. Following the advice from another question I've written a script which copies the file over, sets the permissions and then prints the URL: #!/bin/bash scp "$1" SERVER:"/var/www/tmp/$1" ssh SERVER chmod 644 "/var/www/tmp/$1" echo "URL is: http://SERVER/tmp/$1" When I replace SERVER with my actual host, everything works as expected...until I execute the script with an argument including spaces. Although I suspect the solution might be to use $@ I've not yet figured out how to get a spaced filename to work.

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