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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Installing Ruby on Mac OS X

I had ruby installed in /usr/local/bin/ but it was outdated, so I installed newer version using brew. Now I have two installations of ruby in different dirs. Should I remove one? And how do I update ...
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3answers
759 views

Small Linux distro with Ruby

I have been using Puppy Linux for basic Linux needs, however now I would prefer one that has Ruby included, so that it does not have to be downloaded. I would prefer a small distro that can run from ...
6
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1answer
688 views

`kill -s TERM` works, `kill -s ABRT` gets “Operation not permitted”

There is a process that I own whose documentation claims I can send SIGABRT to in order to get some debugging information. However, when I try to send SIGABRT, I get back "Operation not permitted". I ...
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3answers
5k views

packages have unmet dependencies - unable to install packages

I am trying to install passenger module with bellow command: sudo passenger-install-apache2-module And I am getting following output: * GNU C++ compiler... found at /usr/bin/g++ * Curl ...
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0answers
403 views

How to install Ruby Test to Sublime Text 2

I am quite new to Ubuntu, so I am running into some problems. I was following this tutorial to install Ruby Tests for Sublime Text 2: https://github.com/maltize/sublime-text-2-ruby-tests There is ...
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3answers
731 views

Providing the full path doesn't work but calling just the name of the program does, why?

What am I missing? I can call "rvm" from the command line but not reference the entire path that which rvm says I'm using. Not that it's important, but I stay logged in as "jenkins" the entire time ...
1
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1answer
398 views

How to get 'TZ' with out '$TZ' being set?

I writing a Ruby program. I need a way to get something like America/New_York as ActiveSupport::TimeZone and require "tzinfo" can't get my current timezone. (Note that Time.now.zone can get things ...
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0answers
108 views

Ruby on Rails missing Thor

When trying to run rails g migration a, I get the following message Thor is not available. If you ran this command from a git checkout of Rails, please make sure thor is installed, and run this ...
4
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1answer
1k views

Can I refresh my shell within a shell script?

Very new to Bash scripting... I am trying to setup a script that starts with a minimal CentOS 6 install and provisions it for Ruby development. #!/bin/bash # Add PostgreSQL Repo rpm -i ...
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0answers
106 views

Install Rails on linux

I am trying to install Ruby on Rails and I have followed the following link for the install ...
6
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2answers
1k views

How do you specify alternative script interpreters (shebangs)?

In an executable file, you specify the environment using a shebang: #!/usr/bin/env ruby # ruby code here But what if you want to specify multiple possible environments? For example, if you have ...
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2answers
693 views

How can I create a bash script which runs irb, then some ruby code?

I'm trying to do this to make unit testing a breeze for myself. The contents of an example script in question are as follows: irb require 'random_utils.rb' a = SuccessChecker.new Right now this ...
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4answers
5k views

Advantages (or downsides) of GVim over Vim to edit code

Should I install vim or GVim ? I develop mainly Ruby on Rails (I also use IDE's, but different topic). Are there any differences or advantage of using Gvim vs vim ?
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3answers
3k views

Can't install pg gem

I cant get the pg gem to install. I have tried --with-pg_config and it didnt work. Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. ...
1
vote
1answer
421 views

Customize Emacs Ruby Mode for PuppetLabs conifguration

I predominantly use emacs for editing my Puppet configuration files. I use the following settings in my .emacs to load Ruby mode and use it for Puppet config files (*.pp): (autoload 'ruby-mode ...
1
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1answer
488 views

Why doesn't Ruby's configure script detect my executables and header files?

I'm trying to compile Ruby and really understanding what's going on while doing so. I've used and written Makefiles before, but not autoconf's configure.in files, so maybe the result I'm getting is by ...
1
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0answers
450 views

Manually setting environment variables for Metasploit

How do I set manually environment variables for Metasploit, when I execute db_driver I get this message: [*] No Active Driver [*] Available: [*] DB Support: Enable the postgresql driver ...
1
vote
1answer
946 views

Opening a file with space from Ruby

When I need to progmatically open in emacs a file that has a space in its name, how can I do that? I've tried these commands from a Ruby script, inside backquotes or popen(…): emacs "foo bar" or ...
1
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1answer
355 views

Why do I have to stop/restart cups in redhat linux in order to use a custom filter?

A colleague wrote a filter utility for me in ruby that allows me to print barcodes from a textfile. (The filter replaces @{blah} with the proper PCL and a barcode checksum character so that "blah" ...
1
vote
1answer
163 views

How to add methods to rush (Ruby shell)?

I am starting to learn the basics of rush (ruby shell), and I know it is possible to invoke methods such as home['foobar.c'].vi. However, say I wanted to edit it with GNU Emacs, how do I add a new ...
0
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1answer
78 views

Why doesn't 'which ruby' output anything?

On Debian 6, I uninstalled Ruby 1.8 and installed 1.9.1. Now if I run which ruby it doesn't output anything. Why can't it find ruby anymore?
4
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3answers
1k views

What's the best way to determine the working directory for UNIX process using 'ps'?

I am running a Ruby command line script (rufus.sh)which ultimately calls Thread.new, which spawns a UNIX process as shown below. I run this script for more than 1 directory as the output of the ps ...
4
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2answers
767 views

TinyCore Linux & RVM

I'm running TinyCore Linux and when I tried to install RVM (needed a portable linux distro for QA Automation) I keep getting an error sh: syntax error:unexpected redirection. I am unsure why I am ...
1
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2answers
2k views

Check the Existence of a Network Interface Card Redhat

I'm aware that I can use ethtool eth0|eth1|eth2 to check the existence of a NIC. But I wonder where the files are on the machine that contain information of an existing interface, as I need to use ...
0
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2answers
442 views

Ruby and Git refuse to update. (Mac)

I've been trying to update Git for a while. I'm currently stuck on 1.7.3.4, and I've tried updating to 1.7.4.x, and 1.7.5.x but it never works. Today I compiled and installed Ruby 1.9.2, but it still ...
3
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1answer
163 views

I shouldn't use root on my new ubuntu cloud instance, right?

I am playing with ubuntu on my new Rackspace cloud instance. However, the information they give me is for root access -- that doesn't seem like a best practice for doing development on this thing. ...
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2answers
6k views

Best way to upgrade vim/gvim to 7.3 in Ubuntu 10.04?

I have to use Ubuntu 10.04 at work, and cant upgrade it. I'm using Vim/gVim 7.2. I want to upgrade it to 7.3 (with Python and Ruby extension support). Which is the best way? Add an entry in ...