yum clean all

yum update

sudo tee /etc/yum.repos.d/ol8-epel.repo<<EOF
[ol8_developer_EPEL]
name= Oracle Linux \$releasever EPEL (\$basearch)
baseurl=https://yum.oracle.com/repo/OracleLinux/OL8/developer/EPEL/\$basearch/
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
gpgcheck=1
enabled=1
EOF

yum -y install mc screen wget curl