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ruby installation issue in centos

 
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I have installed ruby in centos 7. Then i try to ran the tmuxinator it gives me below error. How to solve this issue?



output for ruby -v is ruby 2.2.8p477 (2017-09-14 revision 59906) [x86_64-linux

output for rpm -q ruby is ruby-2.0.0.648-30.el7.x86_64

I try to remove old dependencies using rpm -e ruby , but it gives me below error. error: Failed dependencies: /usr/bin/ruby is needed by (installed) rubygems-2.0.14.1-30.el7.noarch /usr/bin/ruby is needed by (installed) ruby-irb-2.0.0.648-30.el7.noarch /usr/bin/ruby is needed by (installed) rubygem-rdoc-4.0.0-30.el7.noarch
 
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