Converter ppk to private-openssh

#Baixar repositorio

wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm

#Instalar repositorio

rpm --ivh rpmforge-release-0.5.2-2.el5.rf.i386.rpm

#Instalar Putty tools

yum install putty

# Converter ppk

puttygen -i private.ppk -O private-openssh -i id_rsa

#acesso ssh com a chave gerada

ssh -i id_rsa usuario@187.45.195.22