# Ð¿Ñ€Ð¾Ð±Ð»ÐµÐ¼Ð° gem install mysql CenOS

**URL:** <https://www.ruby-forum.com/t/d-n-d-d-d-d-d-d-gem-install-mysql-cenos/149230>\
**Category:** Rails\
**Created:** [September 22, 2008, 6:29pm UTC](https://www.ruby-forum.com/t/d-n-d-d-d-d-d-d-gem-install-mysql-cenos/149230 "2008-09-22T18:29:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Uskolul](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ac91a4/32.png) [@Uskolul](https://www.ruby-forum.com/u/Uskolul)\
**Post date:** [September 22, 2008, 6:29pm UTC](https://www.ruby-forum.com/t/d-n-d-d-d-d-d-d-gem-install-mysql-cenos/149230/1 "2008-09-22T18:29:18Z")

</div>

÷ÓÅÍ ðÒÉ×ÅÔ.  
ðÙÔÁÀÓØ ÐÏ ÒÕËÏ×ÏÄÓÔ×Õ ( [http://www.html-blog.ru/2008/8/26/rails-on-agava-vps](http://www.html-blog.ru/2008/8/26/rails-on-agava-vps)  
), ÐÏÓÔÁ×ÉÔØ rails ÎÁ CentOS 5.2.  
ëÏÇÄÁ ÐÙÔÁÀÓØ ÐÏÓÔÁ×ÉÔØ gem install mysql, ÐÏÌÕÞÁÀ:  
Building native extensions. This could take a while…  
ERROR: Error installing mysql:  
ERROR: Failed to build gem native extension.

/usr/bin/ruby extconf.rb install mysql  
checking for mysql\_query() in -lmysqlclient… no  
checking for main() in -lm… yes  
checking for mysql\_query() in -lmysqlclient… no  
checking for main() in -lz… yes  
checking for mysql\_query() in -lmysqlclient… no  
checking for main() in -lsocket… no  
checking for mysql\_query() in -lmysqlclient… no  
checking for main() in -lnsl… yes  
checking for mysql\_query() in -lmysqlclient… no

Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/  
mysql-2.7 for inspection.  
Results logged to /usr/lib/ruby/gems/1.8/gems/mysql-2.7/gem\_make.out

ðÏÉÓËÁÌ ÒÅÛÅÎÉÅ × ÉÎÔÅÒÎÅÔÅ, ÎÁÛÅÌ ([http://www.icoretech.org/](http://www.icoretech.org/)  
2008/07/17/centos-5-gem-install-mysql-problems ), ÎÁÂÉÒÁÀ gem install  
mysql – --with-mysql-include=/usr/include/mysql --with-mysql-lib=/usr/  
lib/mysql , ÐÏÌÕÞÁÀ:  
Building native extensions. This could take a while…  
Successfully installed mysql-2.7  
1 gem installed

÷ÒÏÄÅ ×ÓÅ ÕÓÔÁÎÏ×ÉÌÏÓØ, ÎÏ ÐÒÉ ÏÂÒÁÝÅÎÉÉ Ë ËÏÎÔÒÏÌÌÅÒÕ ×ÙÐÁÄÁÅÔ 500  
ÏÛÉÂËÁ. ÷ log/production.log ÓÏÄÅÒÖÁÔÓÑ ÔÁËÉÅ ÓÔÒÏËÉ:  
Mysql::Error (Äðõæèò ÿâìôýæ äíó òðíûÿðþâæåíó ‘root’@‘localhost’ (÷ýí  
êõòðíûÿðþâï òâôðíû: ÏÅÆ)):  
/opt/ruby-enterprise-1.8.6-20080810/lib/ruby/gems/1.8/gems/  
activerecord-2.0.2/lib/active\_record/connection\_adapters/  
mysql\_adapter.rb:471:in `real\_connect’  
… É ÅÝÅ ÍÎÏÇÏ-ÍÎÏÇÏ.  
ë ÔÏÍÕ ÖÅ ÎÅ ÐÏÌÕÞÁÅÔÓÑ ×ÏÓÐÏÌØÚÏ×ÁÔØÓÑ mysqladmin, ÐÉÛÅÔ:  
mysqladmin: connect to server at ‘localhost’ failed

÷ÏÔ × ÏÂÝÅÍ É ×ÓÅ, Ñ ÐÏÎÉÍÁÀ ÞÔÏ ×ÏÐÒÏÓ ÂÏÌØÛÅ ÐÏ ÎÁÓÔÒÏÊËÅ ÓÅÒ×ÅÒÁ,  
ÞÅÍ ÐÏ rails, ÎÏ ×ÓÅ ÖÅ ÐÒÏÛÕ ÐÏÍÏÞØ. úÁÒÁÎÅÅ ÂÌÁÇÏÄÁÒÀ.  
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