Common Steps for Centos 7 Configuration for all control panels

Common steps

1) Update the machine and install necessary packages:

yum remove alsa* postfix
yum -y install wget libselinux-utils firewalld lsof vim nano net-tools
yum -y update

2) Disable network manager (we'll define networks manually):

systemctl stop NetworkManager
systemctl disable NetworkManager

3) Update resolv.conf:

# cat /etc/resolv.conf
nameserver YOUR_SERVERS_IP

4) Remove the ipv6 directives from ifcfg and setup a hostname

5) Disable SeLinux

setenforce 0
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config
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