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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How to extract a web page text onthe basis of <p> tag [migrated]

The Punjabi Dictionary (year-1895) web page is available in Creative Commons license. How can i extract the text (words) in between the html <p> </p> tag. This video describes. But i am ...
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0answers
14 views

Proxychains DNS error but not with ping

I'm having a weird issue with proxychains. I set up the DNS server to be 8.8.8.8 (Google), and I have a valid proxy in the configuration. When I ping google using proxychains, it pings normally. But ...
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2answers
52 views

Unable to install libyaml-devel libffi-devel in CentOS

I am trying to install latest of ruby through RVM. I could not install install as it requires libyaml-devel and libffi-dev. When ever i try to install them i get error that no package found [root@dev ...
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0answers
11 views

SSL error with rvm and ruby 2.2.2

I am getting the below error while doing a api call from one app to another: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed We are using using rvm ...
3
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2answers
68 views

Can you tell if a file has been renamed?

Many tools out there for syncing files aren't quite right for syncing you're home directory. Because of this, and to learn Ruby, I've been working on my own sync tool. An issue I've encountered, ...
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8 views

Help to undo changes to gems in /usr/share/gems – also, how can I recover them from installation disk?

I recently installed Fedora 20 and accidentally copied the latest gems that I had downloaded before so I extracted them to /usr/share/gems after that when I used rails new appp. Then it showed me /...
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0answers
29 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 ...
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1answer
35 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 ...
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0answers
49 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 [21:...
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2answers
183 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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1answer
391 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 ...
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1answer
224 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 WorkingDirectory=/...
1
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1answer
34 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 => '...
5
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1answer
88 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
127 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(!) ...
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0answers
252 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
167 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
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1answer
34 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 "https://packages.gentoo.org/packages/dev-...
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2answers
249 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
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2answers
2k 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: compass-...
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1answer
233 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 ...
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1answer
356 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: ...
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0answers
269 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
76 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 ....
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4answers
103 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 {} ...
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0answers
83 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
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1answer
60 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. one@...
2
votes
1answer
138 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 /etc/init.d/...
0
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1answer
25 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 ...
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0answers
68 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
141 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
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0answers
95 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
113 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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2answers
343 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 ...
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1answer
4k 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?
0
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1answer
291 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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891 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
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1answer
1k 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
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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. /usr/local/bin/...
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votes
1answer
369 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, ...
0
votes
1answer
621 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 | ...
2
votes
2answers
127 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 [...
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3answers
188 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, ...
3
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2answers
388 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
153 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
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1answer
121 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 ...
0
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1answer
617 views

Ruby alternative to fabric [closed]

Is there a Ruby alternative to Python based Fabric?
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2answers
499 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 /usr/lib/ruby/vendor_ruby/1.8/...
2
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1answer
60 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 ...
1
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1answer
297 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 ...