Transaction Check Error:
  file /etc/my.cnf from install of mysql-libs-5.5.54-1.el5.remi.x86_64 conflicts with file from package mysql-5.0.9 5-5.el5_9.i386
  file /usr/share/mysql/charsets/Index.xml from install of mysql-libs-5.5.54-1.el5.remi.x86_64 conflicts with file from package mysql-5.0.95-5.el5_9.i386
  file /usr/share/mysql/charsets/armscii8.xml from install of mysql-libs-5.5.54-1.el5.remi.x86_64 conflicts with file from package mysql-5.0.95-5.el5_9.i386

base: baseurl=http://vault.centos.org/5.11/os/$basearch/
epel: baseurl=https://dl.fedoraproject.org/pub/archive/epel/5/$basearch
remi: baseurl=http://rpms.remirepo.net/enterprise/5/remi/$basearch/