检查进程是否运行中 puts `ps aux | grep -i ruby`root4980.12.9 137672 59836 ?S14:220:02 /usr/local/
检查进程是否运行中
>> puts `ps aux | grep -i ruby`root 498 0.1 2.9 137672 59836 ? S 14:22 0:02 /usr/local/ruby/bin/ruby /opt/projects/redmine/public/dispatch.fcgi>> Process.alive?(498)=> true
?