yum check-update
yum update -y kernel
yum update -y
yum install epel-release -y
yum install net-tools nmap -y
reboot
yum check-update
uname -r
yum check-update
yum update -y kernel
yum update -y
yum install epel-release -y
yum install net-tools nmap -y
reboot
yum check-update
uname -r