# Rubygem openssl error on 64 bit

**URL:** <https://www.ruby-forum.com/t/rubygem-openssl-error-on-64-bit/90207>\
**Category:** Ruby\
**Created:** [March 26, 2007, 8:49pm UTC](https://www.ruby-forum.com/t/rubygem-openssl-error-on-64-bit/90207 "2007-03-26T20:49:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jz176](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/eb9ed0/32.png) [@jz176](https://www.ruby-forum.com/u/jz176)\
**Post date:** [March 26, 2007, 8:49pm UTC](https://www.ruby-forum.com/t/rubygem-openssl-error-on-64-bit/90207/1 "2007-03-26T20:49:49Z")

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when i run cap -f config/deploy.rb setup on 64 bit centos i get this  
error for openssl

ruby: symbol lookup error:  
/usr/local/lib/ruby/1.8/x86\_64-linux/openssl.so: undefined symbol:  
EVP\_CIPHER\_CTX\_cipher

openssl and openssl-devel are installed… any ideas?

---

<div class="post-metadata">

**Author:** ![jz176](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/eb9ed0/32.png) [@jz176](https://www.ruby-forum.com/u/jz176)\
**Post date:** [March 26, 2007, 9:05pm UTC](https://www.ruby-forum.com/t/rubygem-openssl-error-on-64-bit/90207/2 "2007-03-26T21:05:35Z")

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Joe Zz wrote:

> when i run cap -f config/deploy.rb setup on 64 bit centos i get this  
> error for openssl
> 
> ruby: symbol lookup error:  
> /usr/local/lib/ruby/1.8/x86\_64-linux/openssl.so: undefined symbol:  
> EVP\_CIPHER\_CTX\_cipher
> 
> openssl and openssl-devel are installed… any ideas?

btw… i ran this whole setup on 32 bit w/ no prob. twice.