Ruby is a dynamic, reflective, general-purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features.

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14 views

umask issue with apache phusion passenger

We have a rails application where a unix account will write to directory belonging to another unix account. I have added both the accounts to a common group. The new file which is getting created does ...
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0answers
22 views

yum update conflict rubygem-passenger-native-libs from passenger repository vs centOS updates

yum update on a puppet dashboard throws up following error. How do we resolve it safely? Error: Package: 1:rubygem-passenger-native-libs-3.0.19- 1.el6_1.8.7.352.x86_64 (passenger-centos6-x86_64) ...
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0answers
26 views

Openssl support for ruby not found in passenger installation on redhat 6

I have openssl 1.0.1e-42.el6 already installed. Also tried to compile openssl from ext/openssl directory which failed with below error ossl_pkey_ec.c:815: error: ‘EC_GROUP_new_curve_GF2m’ undeclared ...
0
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2answers
52 views

Linux 'make' command fails after installing ruby and gems for biopieces

We wanted to try the biopieces tools, which require certain dependencies, such as ruby and perl, a.o. After running the installers, and consequently installing some ruby gems, we were not able to run ...
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vote
2answers
125 views

Remove lines from CSV file if the second column is in a word list

I have found a long list of free email providers that I want to remove from my email lists - https://gist.github.com/tbrianjones/5992856 Below are two commands I currently use that do the same job ...
0
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0answers
38 views

How to check if Nginx + Ruby on Rails web application is down?

I am very new to *nix system. I have below setup: OS - Ubuntu 14.14 Web Server - Nginx with Passenger Web Application Ruby on Rails web application Please tell me what tools to use to achieve: ...
-1
votes
1answer
1k views

How to install Ruby 2.0.0 in kali linux?

Currently i have version 1.9 of Ruby installed. I need to install arachni we scanner which requires version 2.0.0. or later. How can i upgrade it to v 2.0.0?
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0answers
12 views

Trouble with postfix configuration to communicate with ruby application

This could be such a wide range of things but i hope posting here would narrow it down, i have this application installed and running in a web browser https://bitbucket.org/naushniki/qamail/src and ...
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0answers
11 views

Tab separated output for multipath -ll, uname -a , ifconfig -a , hostname using Ruby

I'll like to use Ruby to produce a tab separated output file of mutipath -ll, ifconfig -a , uname , cat /etc/sysconfig/network-scripts/route-eth0 comands
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votes
1answer
81 views

Subdomain Creation in Amazon EC2 using Nginx Server [closed]

I am using amazon ec2.... My app is written in Ruby on Rails. I am using Nginx Server. How can I create sub-domain and automate it when a user registers like http://user.mywebsite.com?
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0answers
23 views

Im using Whonix, How to set Directory where I upload my website to on local machine

Im using whonix Gateway and Workstation. I have them installed correctly and I can access the tor through them. Im trying to publish an .onion website. I have a website written in Ruby Rails. How ...
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0answers
314 views

How can I run script without root to sniff network (libpcap)?

I have a script (in ruby): require 'ffi/pcap' pcap = FFI::PCap::Live.new(:dev => "wlan0", :timeout => 1) pcap.loop() do |this,pkt| puts pkt.body end When I try to run the script , I get ...
1
vote
1answer
550 views

Installing ruby 2.1 on Ubuntu 12.04 using ruby-install application

I've been through a couple of tutorials on how to install ruby 2.1.* My system currently has ruby 1.9.3 and I want the latest one. I'm following the following tutorial on how to install it from here: ...
2
votes
0answers
22 views

problems running brew

I have a macbook pro running OS X 10.10.1 with home-brew installed, but it is giving me some problems. When I tried to run brew doctor after having installed it I got the message. ...
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votes
1answer
134 views

bash for loop to run ruby scripts

I'm trying to run several ruby scripts from the command line. Here is my code so far: for i in {1..59}; do $("ruby sample$i.rb"); sleep 10; done The purpose is to test all these scripts quickly, ...
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1answer
299 views

`rvm list remote` not showing binaries for Ubuntu 14.04 box

I'm trying to provision a dev box with rvm on Ubuntu 14.04 (via Vagrant and Ansible). I've installed rvm: gpg --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3 \curl -sSL https://get.rvm.io | ...
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2answers
119 views

How can I test for a file having a value?

I am using source ~/.rvm/scripts/rvm repos="repo_1_ruby_193 repo_2_ruby_211 repo_3_ruby_191" > rvm_check.txt for repo in $repos do cd ~/zipcar/$repo 2>rvm_check.txt cd .. echo $repo if ...
0
votes
2answers
104 views

How to change installed ruby version

I am trying to run ruby on my RPi (Raspbian/Debian distro). I have installed ruby with apt-get command, but it has installed 1.9. 3 version. I wanted newer one, so I removed that one and next, ...
2
votes
2answers
229 views

How to select unique array values?

I have an array and I want to get the unique 2nd members bash doesn't really have 2-dimensional array so I've defined it this way, using :: as the separator of the two elements: ruby_versions=( ...
1
vote
1answer
88 views

How to wrap iptables commands around Ruby webrick server going up and down in a single command/script?

I would like to use this Ruby WEBrick server solution for on-demand showcasing of some random web pages. So I set up some forwarding exception on my adsl modem local web interface(192.168.2.1). Then ...
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votes
1answer
77 views

Can we input or send any text to the daemon?

I have some ‍upload/download ruby scripts; I want to run those scripts in daemon process. When I run ruby script on terminal, it ask for some input after that script start to execute. So now I want to ...
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votes
1answer
242 views

Ruby alternative to fabric [closed]

Is there a Ruby alternative to Python based Fabric?
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2answers
196 views

Installing Jekyll on Elementary OS using gem

When I try to install Jekyll on Elementary OS Luna with the command sudo gem install jekyll --no-rdoc --no-ri I get the following error. -- rbconfig (LoadError) from ...
1
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0answers
26 views

How can I syntax highlight Ruby range bounds in gtksourceview3.0?

I do most of my coding in gedit, which highlights integers and other syntax. When I use an integer range in Ruby, represented as 0..3 for example, the integers are not properly highlighted and are ...
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0answers
207 views

Curl takes JSON file as input but not the content of a JSON file

I am uploading a JSON file using curl. I give the following in the command line as: $ curl -v --header "Content-Type: application/json" -X POST \ http://site -d @test.json where test.json is ...
1
vote
1answer
179 views

calling script from perl/python/ruby and retrieving output [closed]

I inherited a tcsh "master" script that works and extracts lines from files with data with using 'zcat' piped to 'grep' and some other commands/scripts. The extracted lines contain numbers . It is ...
0
votes
1answer
92 views

How to create CronJob for running commands on reboot?

Via my host I have SSH access and a control panel. I installed Rails via SSH on a light weight server. I want to reboot the server when it goes down. I think I need to start it manually since I want ...
7
votes
3answers
601 views

How to configure Ruby to use the correct gemset or Ruby version on a per-project basis?

I open a terminal and navigate to my project folder (ex: cd /proj/tickecting_app). After this I execute this command: rvm use ruby 1.9.x@gemset . I want this command to run this every time I open the ...
1
vote
1answer
214 views

Installing rvm and a specific version of ruby using rvm on linux based systems

UI testing is done using ruby and selenium. Installation of rvm Installation of specific version of ruby and setting a default version of ruby Note: Using a linux based operating system.
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votes
2answers
2k views

How to specify a higher ruby version for installing a gem?

I install a ruby package. $ sudo gem install pdfbeads ERROR: Error installing pdfbeads: nokogiri requires Ruby version >= 1.9.2. says that it needs ruby version greater than 1.9.1. My ...
2
votes
1answer
870 views

Running shell script inside with vagrant provision

I have setup a vagrant box using precise64 (ubuntu 14.04) and installed packages needed for octopress. I can ssh into the vagrant box and generate posts and run preview for my octopress site. Now I ...
0
votes
3answers
328 views

Why does passing a HEREDOC as a string to `ruby -e` not work?

For reasons I don't understand, it seems to be impossible to pass a heredoc as an expression to a Ruby interpreter: $ ruby -e <<END heredoc> puts 'hi' heredoc> END ruby: no code ...
0
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0answers
91 views

Unable to log into Heroku: syntax error, unexpected

I'm new to Heroku. After downloading the script and installing I get an error when I try to login: $ wget -qO- https://toolbelt.heroku.com/install.sh | sh This script requires superuser access to ...
1
vote
1answer
341 views

Can't find rbenv after installation

I've been trying to install rbenv on my fresh Debian 7.4 install, per the instructions here. I follow all the steps on the guide, and they all work fine: I can use rbenv to install Rubies and gems ...
3
votes
2answers
277 views

Time running a Ruby script is different locally than over SSH

Has anyone else seen this behavior? I created a simple Ruby script for giggles to see how fast it would count up on a couple machines I have. Here's the source: for n in 1...1000000 do ...
1
vote
1answer
146 views

How can I add autocomplete for “gem which” with rbenv?

I am using rbenv on Mac OS X. I have autocomplete functionality already for the gem command: $ gem build environment lock query stale cert fetch ...
0
votes
2answers
1k views

Installing ruby 2.1 on Arch via RVM

I have problems installing ruby 2.1.0 via RVM on Arch. My vagrant provisioning file looks like this: sudo pacman -Syu --noconfirm sudo pacman -S --needed base-devel --noconfirm sudo pacman -S vim ...
0
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0answers
127 views

Is there a difference between `command rspec` and `rspec`?

I want to call bundle exec rspec if Gemfile exists in current directory, and if it doesn't exists, call rspec itself. So I wrote like this. function rspec() { if [ -e 'Gemfile' ]; then echo ...
0
votes
1answer
556 views

Giving cron permission to execute command

I'm trying to get a ruby script to run via cron. The cron job looks like this: * * * * * /usr/local/rvm/rubies/ruby-2.0.0-p353/bin/ruby ...
1
vote
1answer
443 views

“Failed to build gem native extension” when installing xively-rb for raspberry Pi

I'm trying to install the xively Ruby gem on the Raspberry Pi - http://rubygems.org/gems/xively-rb However, during install the following occurs: gem install xively-rb Building native extensions. ...
7
votes
2answers
13k views

git push fails with remote: error: hook declined to update refs/heads/master

I'm recently trying to start my own project on a community git repo, and I've been having some complications. I'm new to git, but here's what I've been trying to do to just test it. I run the ...
2
votes
0answers
198 views

FreeBSD 8.4 pkgdb fails after upgrade to Ruby 1.9

I just upgrade Ruby 1.8 to Ruby 1.9. After the upgrade I followed the instructions in the UPDATING file located in /usr/ports. I issued the following two commands: portmaster -o lang/ruby19 ...
0
votes
1answer
1k views

Why is Ruby using 100% CPU in startup?

I installed GitLab on an EC2 instance a while ago, compiling Ruby from scratch: $ ruby -v ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux] $ which ruby /usr/local/bin/ruby What's really ...
3
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2answers
4k views

Making ruby available to all users

I intend to use Ruby when programming my Raspberry Pi which is running the Debian based Occidentals. Via SSH, I executed: curl -L https://get.rvm.io | bash -s stable --ruby which downloaded the ...
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1answer
48 views

sed how to do “or”

I have the following two lines that work ok: /\.to <\=/ s/<\=/be <\=/ /\.to_not <\=/ s/<\=/be <\=/ I would like to combine them and I tried: /\.to( |_not )<\=/ s/<\=/be ...
2
votes
2answers
331 views

sed - remove unmatched “}”, “)” or ']" (only for the line in question)

I have a file with a lot of lines Some of the lines end in unmatched braces, i.e. "}" This is only true for lines that contain ".to" How can I remove the unmatched braces with sed for ALL lines ...
3
votes
1answer
3k views

Crontab + Ruby on Rails: /usr/bin/env: ruby: No such file or directory

I have a ruby on rails app and I need to schedule a crontab for a rake task. */5 * * * * RAILS_ENV=production /usr/local/bin/rake -f /usr/local/www/mysite-web-production/current/Rakefile ...
3
votes
3answers
692 views

Command line options of rackup are not shown in ps output or procfs

As you know if you wish to get command-line runtime arguments for running command you can parse ps -e or /proc/<pid>/cmdline. But I have encountered issue when this method returns only command ...
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2answers
259 views

Alternative shells (Javascript, Ruby, etc)? [duplicate]

Does anyone use a shell written in Javascript, Ruby, Clojure, etc as their everyday unix shell, instead of bash, zsh, etc? Is there any reason not to?
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1answer
2k views

How to use specify version of ruby for shell script with rbenv?

I'm going to write some short script in ruby. And I want to specify ruby version by shebang or in another way. I'll use the script in many environments. I'm using rbenv in the evironments, but it's ...