Kloxong 0.1.3-10 provides Kloxo for Centos 7 EOL
Kloxong install instructions
Note: Cento 7 is at End of life
To continue to run Centos 7 you need to switch the Centos repository over to the vault.centos.org archive
To do this, replacement copies of CentOS-Base.repo and CentOS-Vault.repo must be installed
First do a minimum install of Centos 7 (CentOS-7-x86_64-Minimal-2009.iso)
If necessary activate network connectivity with
sudo nmtui
Running the following from your command line should do this.
sudo curl -O https://kloxo.org/centos7/eolrepofix
sudo sh eolrepofix