Centos Config

set up network/hostname

nmtui

Remove EPEL

yum remove epel-release

Restore Main Config

sys-unconfig

Disable Firewall

sudo systemctl stop firewalld
sudo systemctl disable firewalld

Configure Firewall

https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-using-firewalld-on-centos-7

Python 3.7 install

yum install gcc openssl-devel bzip2-devel libffi-devel
cd /usr/src
curl -O https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tgz
tar zxf Python-3.7.2.tgz
./configure --enable-optimizations
make -j4 altinstall

NFS tools

yum install nfs-utils

SELinux

https://wiki.centos.org/HowTos/SELinux/

Install Webmin

http://www.webmin.com/rpm.html

 sudo yum -y install perl perl-Net-SSLeay openssl perl-IO-Tty perl-Encode-Detect unzip perl-Data-Dumper
 rpm -U [webmin RPM]
 firewall-cmd --zone=public --add-port=10000/tcp

Resize filesystem

https://pocketadmin.tech/en/centos-8-extend-lvm/