echo 'proxy=http://10.77.128.254:3128/' >> /etc/yum.conf
yum update
yum install -y mc nano vim wget open-ssh openssh-clients man bind-utils bzip2 unzip zip ntp sysstat bash-completion vnstat net-tools lsof tcpdump screen tmux
yum install -y epel-release
yum update
/etc/selinux/config => SELINUX=disabled
systemctl disable firewalld
systemctl stop firewalld
yum remove firewalld
yum install iptables-services
touch /etc/sysconfig/iptables
touch /etc/sysconfig/ip6tables
systemctl start iptables
systemctl start ip6tables
systemctl enable iptables
systemctl enable ip6tables
далее ntp vim /etc/ntp.conf server 10.77.128.202
cat /etc/chrony.conf
#These servers were defined in the installation:
server 10.77.128.202 iburst
chronyc sources