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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1answer
2k views

Bash Commands not working on Mac

Hello I open my terminal window on Mac Os 10.6.8 as I am trying to update my ruby to 1.9.3 and the terminal gives me this response immediately as I open it: -bash: export: ...
1
vote
1answer
302 views

How to pipe to bash as a different user

I am running an experiment as a way to solve a bigger problem. For the experiment, I need to install rvm as a user who does not have a shell. To install rvm, you use the following command \curl -L ...
2
votes
1answer
311 views

How to let pacman notice the ruby installed by rbenv?

I use rbenv to manage ruby versions. I want to install gvim on my ArchLinux and one of it's dependency is ruby. I'm already use rbenv to install the version 2.0.0-p247 of ruby as root ...
2
votes
1answer
6k views

How to properly automatically/manually rotate log files for production Rails App

I am taking over administration for a server which has a custom made 3rd party Rails app. The app developer informed me that the ruby log files are getting large and pointed me to the following link: ...
1
vote
1answer
271 views

Ubuntu LTS : best practice for installing gems

Ubuntu 12.04 LTS Server I'm relatively new to Unix/Ubuntu. I need to install the ruby gem libopenssl-ruby. I know that Ubuntu LTS versions maintain lists of authorized package versions. apt-get ...
2
votes
2answers
348 views

Using RVM with gvim without installing the ruby binary

In Arch Linux, apparently gvim requires to install ruby as a dependency. However, if I want to work with RVM, then I don't need the binary ruby installed. Can that cause problems? Can ruby be ...
2
votes
0answers
160 views

Ubuntu : puppet f5 device config : Partition '' doesn't exist

This is a Puppet question that I've posted on the PuppetLabs forums with no response. I'm also posting here because I'm hoping that with a wider audience I might find someone knowledgeable re Puppet ...
3
votes
2answers
878 views

How to install Ruby 1.9.3 on Arch?

The wiki suggests using $sudo pacman -S ruby1.9 but the package isn't there... I'd rather not compile it from source but I can if no one knows.
0
votes
1answer
58 views

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I had ruby installed in /usr/local/bin/ but it was outdated, so I installed newer version using brew.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 ...
6
votes
3answers
854 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
votes
1answer
933 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 ...
1
vote
3answers
8k 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 ...
1
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0answers
462 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 ...
1
vote
3answers
946 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
vote
1answer
449 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 ...
1
vote
0answers
115 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
votes
1answer
2k 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 ...
0
votes
0answers
112 views

Install Rails on linux

I am trying to install Ruby on Rails and I have followed the following link for the install ...
6
votes
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 ...
2
votes
2answers
905 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 ...
5
votes
4answers
8k 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 ?
1
vote
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
459 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
vote
1answer
555 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
vote
0answers
523 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
1k 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
vote
1answer
412 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
168 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
votes
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
votes
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 ...
5
votes
2answers
1k 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
vote
2answers
3k 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
votes
2answers
487 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
votes
1answer
167 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. ...
12
votes
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 ...