centos7 and centos8
yum -y update
dnf -y update
selinux disabled
install nano and wget
reboot
sh <(curl https://cyberpanel.net/install.sh || wget -O - https://cyberpanel.net/install.sh)
ERROR: Double requirement given: cffi==1.14.1 from file:///usr/local/pip-packs/cffi-1.14.1-cp36-cp36m-manylinux1_x86_64.whl (already in cffi==1.11.5 from file:///usr/local/pip-packs/cffi-1.11.5-cp36-cp36m-manylinux1_x86_64.whl, name=‘cffi’)