CentOS Server - Installation

Server Checklist Step √ To Do     Preparation 1   Install the server image 2   Ad...

Server Image Installation Browse to konsoleH and log in at Admin level Select or search for you...

Install additional repositories Additional Repositories Using the commands below, install the E...

Updating packages Run the command below and press 'y' at the prompt.  After the update has finis...

Setting Up Automatic Updates Install yum-cron Install yum-cron, the package that allows us to d...

Install NTP Daemon Install NTPd with the following command yum -y install ntp Configure Firewa...

Ensure core dumps are restricted Edit the /etc/security/limits.conf and /etc/sysctl.conf files, ...

Randomized virtual memory region placement Add the line below to the /etc/sysctl.conf file kern...

The removal of legacy services Check for legacy services To check for legacy services, use the ...

Disable or remove server services that are not going to be utilized (e.g. FTP, DNS, LDAP, SMB, DH...

Configuring The Firewall Start and enable the firewall To start and enable the firewall use the...

Set SSH protocol to 2 SSH has two protocols it may use, protocol 1 and protocol 2. The older pro...

Disabling root login via SSH Disabling SSH root login will add an extra layer of security. It wo...

Set SSH permitemptypasswords to no Open the ssh configuration file with your editor.vi /etc/ssh/...

Installation Run the command below to install Fail2Ban yum install fail2ban fail2ban-systemd C...

Install and configure Host Based IDS (Intrusion Detection System) "AIDE" Install AIDEyum -y inst...

Clamav installation Preparation for ClamAV installation Ensure that the EPEL repository has bee...

Configure ClamAV for daily scans Create and edit the file clamscan_daily in the folder /etc/cron...