oracle linux 7 yum repo info has changed

oracle linux 7 & 8 yum repos have changed

network install repo is at

https://public-yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/

you now need to run

# yum install oracle-softwarecollection-release-el7

to get the extra oracle linux 7 EPEL packages (such as yumex)

if you want to stop YUM auto updating in the background

# yum remove PackageKit

list of extra repos

$ yum list *release-el*
Loaded plugins: langpacks, ulninfo
Installed Packages
oraclelinux-release-el7.x86_64                           1.0-6.el7              @anaconda/7.6
Available Packages
mysql-release-el7.x86_64                                 1.0-2.el7              ol7_latest   
oracle-ceph-release-el7.x86_64                           1.0-2.el7              ol7_latest   
oracle-epel-release-el7.x86_64                           1.0-2.el7              ol7_latest   
oracle-gluster-release-el7.x86_64                        1.0-3.el7              ol7_latest   
oracle-nodejs-release-el7.x86_64                         1.0-3.el7              ol7_latest   
oracle-olcne-release-el7.x86_64                          1.0-1.el7              ol7_latest   
oracle-openstack-release-el7.x86_64                      1.0-2.el7              ol7_latest   
oracle-release-el7.x86_64                                1.0-2.el7              ol7_latest   
oracle-softwarecollection-release-el7.x86_64             1.0-2.el7              ol7_latest   
oraclelinux-developer-release-el7.x86_64                 1.0-2.el7              ol7_latest

to add the extra repos you need yum config mgr

# yum install yum-utils

then you can add an extra repo with

# yum-config-manager --enable ol7_developer_EPEL

see also