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HTTP/2 is the second version of the hypertext transfer protocol and brings two significant improvements: more efficient network resource usage and reduced latency. Latency (the elapsed time between ... If you are running PHP applications, setting up HTTP/2 on the Apache HTTP Server can be a bit confusing because of some incompatibilities between the Apache HTTP/2 module and the Prefork ... HTTP/2 on Apache ... Setting up HTTP/2 on the Apache HTTP Server with PHP compatibility

, without delay, with any place in the universe. Today's admins are more likely to know Ansible as an orchestration tool and competitor to Puppet, Chef, and Salt. Ansible [2] was acquired by Red Hat in 2015 ... Ansible 2.0 ... What's new in Ansible 2.0

Red Hat's announced re-envisioning of the popular CentOS Linux distribution [1] caused a major disruption in the Linux space. According to some surveys [2], CentOS was actually the third most ... CentOS users need to find a replacement soon. If you use CentOS 8 and you're looking for safer ground, the migrate2rocky script will automatically migrate your system to Rocky Linux – an enterprise ... migrate2rocky ... Migrating CentOS to Rocky Linux with migrate2rocky

password policies (allowing non-complex passwords). The better method for protecting your systems is to implement intrusion prevention measures. Fail2ban [1] is one such solution. It scans logs to check ... Fail2ban is a quick to deploy, easy to set up, and free to use intrusion prevention service that protects your systems from brute force and dictionary attacks. ... Fail2ban ... Fail2ban

access to the various servers. Seesaw v2 comes into play wherever high-performance load balancing is required. Seesaw only works up to Layer 4 and can therefore act faster than other potential candidates ... Seesaw v2 is a sophisticated solution for load balancing in Layer 4 on networks subject to heavy traffic and facilitates the removal, maintenance, and integration of individual servers. ... Seesaw v2

of new features, unlike the past, but instead are taking things a little easier. The newly released Ceph version 17.2 [1] bears witness to that trend: Instead of turning big wheels, the developers have ... Ceph 17.2

that a machine of this dimension can reasonably run 2,000 clusters and up to 20,000 compute nodes, even with the Rancher database grabbing two cores and 4GB of RAM for itself in the background. Input ... Rancher 2.5

Traditional administration command-line tools such as ifconfig, route, and arp are almost as old as TCP/IP itself. We provide an overview of how the IPRoute2 toolkit now unifies the management ... IPRoute2 is the successor to the net-tools networking utilities, including ifconfig and route . Instead of having to use a separate tool for every aspect of network management, with IPRoute2 ... Traditional administration command-line tools such as ifconfig, route, and arp are almost as old as TCP/IP itself. We provide an overview of how the IPRoute2 toolkit now unifies the management ... IPRoute2: arp, route, and ifconfig in a Single Tool ... IPRoute2

If you believe Red Hat’s marketing hype, the company has no less than revolutionized data storage with version 2.1 of its Storage Server. The facts tell a rather different story. ... (RHSS) (see Figures 1 and 2). Figure 1: Red Hat offers a RHSS test drive with VMs that are hosted on Amazon’s AWS ... If you believe Red Hat’s marketing hype, the company has no less than revolutionized data storage with version 2.1 of its Storage Server. The facts tell a rather different story. ... Red Hat Storage Server 2.1

In Part 1 of this series, you learned some Unix/Linux (*nix) basics covering general security, filesystem layout, comparable DOS commands, and directory structure. In Part 2, I take you deeper ... Linux Essentials for Windows Admins – Part 2