Installation Add the environment variables to /etc/environment $ vi /etc/environment LC_ALL="en_US.UTF-8" LC_CTYPE="en_US.UTF-8" LANGUAGE="en_US.UTF-8" References https://www.itzgeek.com/how-tos/linux/centos-how-tos/how-to-install-spacewalk-on-centos-7-rhel-7.html