# Gem install of mongrel\_cluster fails **URL:** \ **Category:** Ruby\ **Created:** [May 13, 2008, 11:42pm UTC](https://www.ruby-forum.com/t/gem-install-of-mongrel-cluster-fails/137528 "2008-05-13T23:42:23Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Xeno\_C](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/958977/32.png) [@Xeno\_C](https://www.ruby-forum.com/u/Xeno_C)\ **Post date:** [May 13, 2008, 11:42pm UTC](https://www.ruby-forum.com/t/gem-install-of-mongrel-cluster-fails/137528/1 "2008-05-13T23:42:23Z")
root@rhaprpt:~# gem install mongrel\_cluster --include-dependencies Select which gem to install for your platform (i486-linux) 1. mongrel 1.1.4 (x86-mswin32-60) 2. mongrel 1.1.4 (java) 3. mongrel 1.1.4 (ruby) 4. mongrel 1.1.3 (i386-mswin32) 5. mongrel 1.1.3 (java) 6. mongrel 1.1.3 (ruby) 7. Skip this gem 8. Cancel installation > 3 > Select which gem to install for your platform (i486-linux) 1. fastthread 1.0.1 (mswin32) 2. fastthread 1.0.1 (ruby) 3. fastthread 1.0.1 (i386-mswin32) 4. Skip this gem 5. Cancel installation > 2 > Building native extensions. This could take a while… > ERROR: While executing gem … (Gem::Installer::ExtensionBuildError) > ERROR: Failed to build gem native extension. ruby extconf.rb install mongrel\_cluster --include-dependencies extconf.rb:1:in `require’: no such file to load – mkmf (LoadError) from extconf.rb:1 Gem files will remain installed in /var/lib/gems/1.8/gems/fastthread-1.0.1 for inspection. Results logged to /var/lib/gems/1.8/gems/fastthread-1.0.1/ext/fastthread/gem\_make.out root@rhaprpt:~# ----snip---- I got the suggestion to install this from a post on using capistrano: [http://blog.codahale.com/2006/06/19/time-for-a-grown-up-server-rails-mongrel-apache-capistrano-and-you/](http://blog.codahale.com/2006/06/19/time-for-a-grown-up-server-rails-mongrel-apache-capistrano-and-you/) ---
**Author:** ![Xeno\_C](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/958977/32.png) [@Xeno\_C](https://www.ruby-forum.com/u/Xeno_C)\ **Post date:** [May 13, 2008, 11:47pm UTC](https://www.ruby-forum.com/t/gem-install-of-mongrel-cluster-fails/137528/2 "2008-05-13T23:47:45Z")
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Xeno C. wrote: | root@rhaprpt:~# gem install mongrel\_cluster --include-dependencies | Select which gem to install for your platform (i486-linux) | 1. mongrel 1.1.4 (x86-mswin32-60) | 2. mongrel 1.1.4 (java) | 3. mongrel 1.1.4 (ruby) | 4. mongrel 1.1.3 (i386-mswin32) | 5. mongrel 1.1.3 (java) | 6. mongrel 1.1.3 (ruby) | 7. Skip this gem | 8. Cancel installation | \> 3 | Select which gem to install for your platform (i486-linux) | 1. fastthread 1.0.1 (mswin32) | 2. fastthread 1.0.1 (ruby) | 3. fastthread 1.0.1 (i386-mswin32) | 4. Skip this gem | 5. Cancel installation | \> 2 | Building native extensions. This could take a while… | ERROR: While executing gem … (Gem::Installer::ExtensionBuildError) | ERROR: Failed to build gem native extension. | | ruby extconf.rb install mongrel\_cluster --include-dependencies | extconf.rb:1:in `require’: no such file to load – mkmf (LoadError) | from extconf.rb:1 Install the ruby-dev package (if you are on Ubuntu, for example). That includes mkmf. * * * Phillip G. Twitter: [twitter.com/cynicalryan](http://twitter.com/cynicalryan) Blog: [http://justarubyist.blogspot.com](http://justarubyist.blogspot.com) ~ “I propose we leave math to the machines and go play outside.” ~ — Calvin -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - [http://enigmail.mozdev.org](http://enigmail.mozdev.org) iEYEARECAAYFAkgqDGgACgkQbtAgaoJTgL+iWACdHXbrWpeefuA8+BEzNAjPpckv Wt8AoIEUq1v397iVmo2D0BOZtEC7Z+CZ =odBK -----END PGP SIGNATURE----- ---
**Author:** ![Xeno\_C](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/958977/32.png) [@Xeno\_C](https://www.ruby-forum.com/u/Xeno_C)\ **Post date:** [May 13, 2008, 11:55pm UTC](https://www.ruby-forum.com/t/gem-install-of-mongrel-cluster-fails/137528/3 "2008-05-13T23:55:28Z")
Phillip G. wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 I am on a hardy install now, and apt-cache search ‘ruby-dev’ returns nothing, though apt-cache ruby | grep dev yields a ruby1.9-dev, but I am using 1.8.6. xc ---
**Author:** ![Xeno\_C](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/958977/32.png) [@Xeno\_C](https://www.ruby-forum.com/u/Xeno_C)\ **Post date:** [May 14, 2008, 12:21am UTC](https://www.ruby-forum.com/t/gem-install-of-mongrel-cluster-fails/137528/4 "2008-05-14T00:21:25Z")
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Xeno C. wrote: | Phillip G. wrote: |\> I am on a hardy install now, and apt-cache search ‘ruby-dev’ returns |\> nothing, though apt-cache ruby | grep dev yields a ruby1.9-dev, but I am |\> using 1.8.6. [http://packages.ubuntu.com/hardy/ruby1.8-dev](http://packages.ubuntu.com/hardy/ruby1.8-dev) This is the package you seek. * * * Phillip G. Twitter: [twitter.com/cynicalryan](http://twitter.com/cynicalryan) Blog: [http://justarubyist.blogspot.com](http://justarubyist.blogspot.com) ~ - You know you’ve been hacking too long when… …you start reading car license plates as machine code. JMP 451, HCF 919 (this one really shook me up), HLT 772 (Halt instruction…gotta reboot the truck again!), FOXXY (um, don’t know that one…must be a floating point instruction). -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - [http://enigmail.mozdev.org](http://enigmail.mozdev.org) iEYEARECAAYFAkgqFDYACgkQbtAgaoJTgL9dkQCgpoW7m5rdBJkQEUNGXV/WeG77 o4gAn2Km7XUHgGjORnHEei3qYwL80Ncr =wfJO -----END PGP SIGNATURE----- ---
**Author:** ![Xeno\_C](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/958977/32.png) [@Xeno\_C](https://www.ruby-forum.com/u/Xeno_C)\ **Post date:** [May 14, 2008, 1:16am UTC](https://www.ruby-forum.com/t/gem-install-of-mongrel-cluster-fails/137528/5 "2008-05-14T01:16:02Z")
Phillip G. wrote: > (this one really shook me up), HLT 772 (Halt instruction…gotta reboot the Thank you for your help Phillip. I find it this time searching for exactly that string. Anyhow, I’m installing it…well, I also needed to install make and gcc, but that I did…and it seems to have installed successfully. Presumably the continuing saga will be uneventful. Thank you. Sincerely, Xeno