Ruby is a dynamic, reflective, general-purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features.
2
votes
2answers
50 views
How to install Ruby 1.9.3 on Arch?
The wiki suggests using $sudo pacman -S ruby1.9 but the package isn't there... I'd rather not compile it from source but I can if no one knows.
0
votes
1answer
46 views
Installing Ruby on Mac OS X
I had ruby installed in /usr/local/bin/ but it was outdated, so I installed newer version using brew. Now I have two installations of ruby in different dirs. Should I remove one? And how do I update ...
4
votes
3answers
337 views
Small Linux distro with Ruby
I have been using Puppy Linux for basic Linux needs, however now I would prefer one that has Ruby included, so that it does not have to be downloaded.
I would prefer a small distro that can run from ...
5
votes
1answer
228 views
`kill -s TERM` works, `kill -s ABRT` gets “Operation not permitted”
There is a process that I own whose documentation claims I can send SIGABRT to in order to get some debugging information. However, when I try to send SIGABRT, I get back "Operation not permitted".
I ...
1
vote
3answers
601 views
packages have unmet dependencies - unable to install packages
I am trying to install passenger module with bellow command:
sudo passenger-install-apache2-module
And I am getting following output:
* GNU C++ compiler... found at /usr/bin/g++
* Curl ...
1
vote
0answers
192 views
How to install Ruby Test to Sublime Text 2
I am quite new to Ubuntu, so I am running into some problems.
I was following this tutorial to install Ruby Tests for Sublime Text 2: https://github.com/maltize/sublime-text-2-ruby-tests
There is ...
1
vote
3answers
171 views
Providing the full path doesn't work but calling just the name of the program does, why?
What am I missing? I can call "rvm" from the command line but not reference the entire path that which rvm says I'm using.
Not that it's important, but I stay logged in as "jenkins" the entire time ...
1
vote
1answer
147 views
How to get 'TZ' with out '$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
81 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 ...
3
votes
1answer
306 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
82 views
Install Rails on linux
I am trying to install Ruby on Rails and I have followed the following link for the install
...
3
votes
2answers
257 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
158 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 ...
1
vote
4answers
368 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
2k 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
230 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
280 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
282 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
452 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
...
2
votes
1answer
195 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
122 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
63 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?
3
votes
3answers
219 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 ...
3
votes
1answer
396 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
585 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
287 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 ...
2
votes
1answer
155 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.
...
11
votes
2answers
5k 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 ...
