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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11 views

Sudden problem with a rack/passenger ruby app: “Connection closed”

I have a Ruby 1.8.7 app which runs under Phusion Passenger and Nginx, for one of my clients, on an Ubuntu VPS. It's been ticking away happily for years, but yesterday ran out of log space (sending me ...
2
votes
1answer
13 views

How can I launch irb from a bash script, execute some commands, then pass the irb session to the console?

I am creating a ruby gem and to speed my testing I wrote a script to build and install my gem, then to open irb for me to manually poke around. How can I run the following ruby commands before ...
0
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2answers
98 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 ...
1
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1answer
93 views

How do I start Unicorn using systemd/systemctl?

I've wrote a systemd file for systemctl to start unicorn: [Unit] Description=Unicorn server [Service] SyslogIdentifier=my-app-unicorn User=deployer PIDFile=/tmp/unicorn.my-app.pid ...
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0answers
10 views

Can't launch BeEF in Arch Linux

Whenever I type : ruby beef , I obtain the following output. [21:04:34][*] Bind socket [imapeudora1] listening on [0.0.0.0:2000]. [21:04:34][*] Browser Exploitation Framework (BeEF) 0.4.7.0-alpha ...
0
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2answers
36 views

CentOS: How to install libyaml-devel from source?

I'm trying to install RVM in a CentOS server which for some weird reason I do not have access to internet. One of its dependencies is the library libyaml-devel. I already installed the libyaml ...
0
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0answers
100 views

Where in CentOS 7 should I install Ruby?

I am installing Ruby and rbenv on a CentOS 7 by following the instructions in this tutorial, with modifications. One of the recommended lines of code is cd followed by git clone commands. I assume ...
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1answer
934 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: ...
0
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1answer
130 views

Error installing nokogiri: ERROR: Failed to build gem native extensions

I can build my rails application on my mac On my Ubuntu machine when I bundle I get errors with a bunch of gems including nokogiri, version 1.6.7.2 Error installing nokogiri: ERROR: Failed to build ...
1
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1answer
31 views

users resource in Puppet not updating /etc/shadow

I have written a manifests using users resource as shown below node 'node2.example.com','node3.example.com'{ user { 'ash': ensure => 'present', managehome => 'true', comment => ...
4
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0answers
39 views

Why doesn't rate limiting with trickle work with ruby?

I'm attempting to limit the bandwidth available to a running ruby process to prevent it flooding our link and affecting other traffic. The process is downloading large files over HTTP. I've found ...
0
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0answers
49 views

can't `yum install ruby-augeas` on centos6.7

I have a problem installing ruby-augeas gem. (reason behind this, is so I can install stackstorm... which stops its install due to this) Following the errors/logs, it appears I need to downgrade(!) ...
3
votes
1answer
102 views

Can using chcon to essentially bypass selinux be less secure than setting selinux to permissive?

I was wondering if it is possible to make a CentOS 7 server less secure by using chcon than it would be if SELinux were in Permissive mode. I am essentially trying to set up Phusion Passenger with ...
0
votes
1answer
26 views

Ruby with Tk in Gentoo

How to emerge Ruby with tk/tcl support in Gentoo Linux. I've tried USE="tk" emerge ruby, but it didn't work. Furthermore there is no tk use flag according ...
0
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3answers
174 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, ...
0
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2answers
136 views

Ruby gems not recognized in bash script

I have built a node.js app that listens for webhooks. Currently it is used to build a jekyll website. I have configured it on my server and jekyll build works perfectly when I run it in the root of ...
2
votes
1answer
57 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 ...
2
votes
1answer
930 views

`ERROR: Failed to build gem native extension` while trying to install compass

I am using Ubuntu 14.04 I tried this command sudo gem install compass and it gave me this error: Fetching: multi_json-1.11.2.gem (100%) Fetching: compass-core-1.0.3.gem (100%) Fetching: ...
0
votes
1answer
159 views

“ruby: Command not found” on FreeBSD, despite having installed it

I just tried to run a ruby script on a FreeBSD box I hadn't used in a while, and got "ruby: Command not found." So I figured I just hadn't previously installed it. Went to /usr/ports/lang/ruby22 and ...
0
votes
1answer
214 views

Puppet Master: TCPServer Error: Address already in use - bind(2) - WEBrick 1.3.1

I rebooted Puppet Master several times but always this error [root@puppet-master04 ~]# service httpd restart Stopping httpd: [ OK ] Starting httpd: ...
1
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0answers
187 views

Issues Installing Ruby without sudo

I am migrating a website to a server that is running Ubuntu 14.04.2 LTS, the website is managed through git and built using Jekyll. Jekyll is installed as ruby gem and unfortunately the server does ...
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0answers
49 views

installed font not working in ec2 in rails app

I have downloaded font by running wget http://www.fontsquirrel.com/fonts/download/amatic inside my ec2 instance. Then I created a .fonts director and unzipped those files inside it. Then I ls ...
2
votes
4answers
89 views

Copy files to new directory only if name of file is in an array

I'm not much of a zsh buff but I imagine this should be an easy layup for someone: I can bulk copy files from sourcedir to targetdir with the following: $ find sourcedir -type f -exec cp {} ...
0
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0answers
57 views

Resizing image with ImageMagick and Ruby on Rails

I have been trying to use Imagemagick to resize images uploaded by a user as a square. Currently, I am using the ! like so - 640x640! This works fine if the image I feed it is a resolution of ...
0
votes
1answer
24 views

How can I check the ruby format for a bunch of files and/or 1 single file?

Most of them have a common pattern that is a filename of ..._rspec.rb One of them is a filename without that ending (but does end in .rb) How can I run ruby -wc (or in fact any operations such as ...
2
votes
1answer
105 views

EACCESS err while installing thin

I am trying to install thin in linux mint 17. I have installed ruby via rvm . I have already install the thin gem. When I ran thin install I got this error Installing thin service at ...
0
votes
1answer
49 views

SSH run command in users rbenv enviroment

Anyone know how to make ssh source the users enviroment? ssh -Y -t old-dash '"bundle exec rails server" bash: bundle exec rails server: command not found Connection to old-dash closed. ...
0
votes
0answers
56 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 ...
0
votes
0answers
112 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) ...
0
votes
3answers
577 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
85 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 ...
1
vote
2answers
304 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
votes
0answers
129 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
3k 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?
7
votes
2answers
5k 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 ...
0
votes
0answers
18 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 ...
2
votes
1answer
1k 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
1answer
241 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?
1
vote
0answers
766 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 ...
2
votes
0answers
25 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
326 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, ...
6
votes
2answers
2k 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 ...
0
votes
1answer
546 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 | ...
1
vote
1answer
493 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" ...
2
votes
2answers
126 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 ...
2
votes
2answers
358 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
142 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 ...
0
votes
1answer
108 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
530 views

Ruby alternative to fabric [closed]

Is there a Ruby alternative to Python based Fabric?
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2answers
454 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 ...