Access Control Lists (also known as ACLs) are a feature of the Linux kernel that allows to define more fine-grained access rights for files and directories than those specified by regular ugo/rwx permissions. For
A sound analysis of a computer network begins by understanding what are the available tools to perform the task, how to pick the right one(s) for each step of the way, and last but
Installing, updating, and removing (when needed) installed programs are key responsibilities in a system administrator’s daily life. When a machine is connected to the Internet, these tasks can be easily performed using a package
As we have anticipated in previous tutorials of this LFCE (Linux Foundation Certified Engineer) series, in this article we will discuss the routing of IP traffic statically and dynamically with specific applications. Introducing The
Although Linux is very reliable, wise system administrators should find a way to keep an eye on the system’s behaviour and utilization at all times. Ensuring an uptime as close to 100% as possible
Introducing The Linux Foundation Certification Program You will recall from Part 1 – About Iptables of this LFCE (Linux Foundation Certified Engineer) series that we gave a basic description of what a firewall is:
A LFCE (Linux Foundation Certified Engineer) is a trained professional who has the skills to install, manage, and troubleshoot network services in Linux systems, and is in charge of the design, implementation and ongoing
A LFCE (Linux Foundation Certified Engineer) is a professional who has the necessary skills to install, manage, and troubleshoot network services in Linux systems, and is in charge of the design, implementation and ongoing
A Linux Foundation Certified Engineer is a skilled professional who has the expertise to install, manage, and troubleshoot network services in Linux systems, and is in charge of the design, implementation and ongoing maintenance
A LFCE (short for Linux Foundation Certified Engineer) is a trained professional who has the expertise to install, manage, and troubleshoot network services in Linux systems, and is in charge of the design, implementation