fix the bug where yum only installs one package at a time
fix the bug where yum only installs one package at a time

phusion/passenger,phusion/passenger,erikogan/passenger,gravitystorm/passenger,erikogan/passenger,pkmiec/passenger,clemensg/passenger,phusion/passenger,antek-drzewiecki/passenger,phusion/passenger,jawj/passenger,clemensg/passenger,gravitystorm/passenger,bf4/passenger,antek-drzewiecki/passenger,jawj/passenger,jawj/passenger,openSUSE/passenger,kewaunited/passenger,antek-drzewiecki/passenger,kewaunited/passenger,antek-drzewiecki/passenger,openSUSE/passenger,cgvarela/passenger,kewaunited/passenger,erikogan/passenger,clemensg/passenger,gravitystorm/passenger,cgvarela/passenger,pkmiec/passenger,gravitystorm/passenger,cgvarela/passenger,jawj/passenger,pkmiec/passenger,phusion/passenger,kewaunited/passenger,bf4/passenger,jawj/passenger,bf4/passenger,openSUSE/passenger,cgvarela/passenger,pkmiec/passenger,pkmiec/passenger,phusion/passenger,gravitystorm/passenger,openSUSE/passenger,bf4/passenger,phusion/passenger,bf4/passenger,bf4/passenger,openSUSE/passenger,clemensg/passenger,antek-drzewiecki/passenger,erikogan/passenger,jawj/passenger,cgvarela/passenger,kewaunited/passenger,antek-drzewiecki/passenger,antek-drzewiecki/passenger,pkmiec/passenger,clemensg/passenger,clemensg/passenger,antek-drzewiecki/passenger,clemensg/passenger,cgvarela/passenger,cgvarela/passenger,kewaunited/passenger,clemensg/passenger,openSUSE/passenger,erikogan/passenger,phusion/passenger,gravitystorm/passenger,bf4/passenger,jawj/passenger,cgvarela/passenger,erikogan/passenger,kewaunited/passenger,kewaunited/passenger,pkmiec/passenger