ow do I set up a basic iptables firewall on Amazon Linux AMI running on EC2 or Lightsail instance?
ow do I stop Apache from starting on Linux?
ow do I setup and manage a virtualized environment with Kernel based Virtual Machine (KVM) in CentOS or Red Hat Enterpise Linux version 6 server on IBM server? Can you provide step-by-step commands of how to install and manage Virtual Machines (VMs) on a physical server using KVM for RHEL/CentOS version 6.4?
am a new Fedora Linux version 18 system administrator. How do I restart dhcpd server using command line options in Fedora Linux server running on HP server hardware?
ow do I find out if a service such as MySQL or Apache running on my Centos/RHEL/Fedora Linux server?
am a new CentOS Linux server user. How can I start, stop, or restart the OpenSSH (SSHD) server on a CentOS Linux? How can I start/stop/restart SSHD on boot time on a CentOS Linux 7.x or 8.x? Can you tell me how to start SSHD on boot time on a CentOS Linux?
properly configured firewall can greatly increase the security of RHEL / CentOS based system. How do I configure a shorewall based firewall for CentOS or Red Hat Enterprise Linux system with an Internet connection? How do I install and configure shorewall to protect the following small business network?