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SkillSoft Explore Course

Certification     Linux Professional Institute (LPI)     Linux Professional Institute: Junior Level Linux Professional (LPIC-1)     CompTIA Linux+ LX0-104
Linux is used extensively on the internet, usually as servers, but also as clients, and a system administrator must know how to configure and use the network interfaces on a Linux system. In this course, you will learn how to configure, use, and troubleshoot networking issues on Linux. This course covers the fundamentals of Internet Protocols, Network Interfaces, DNS, and security as it applies to the networking configuration of a Linux system. This course is one of a series in the learning path that covers the objectives for the CompTIA Linux+ exams LX0-104.

Objectives

Fundamentals of Internet Protocols

  • start the course
  • describe how network masking and Classless Inter-Domain Routing, or CIDR, work
  • describe the differences between private and public "dotted quad" IP addresses
  • describe the features and differences of User Datagram Protocol, or UDP; Transmission Control Protocol, or TCP; and Internet Control Message Protocol, or ICMP
  • recognize the common TCP and UDP ports and services that usually run on those ports
  • identify the differences between IPv4 and IPv6
  • describe the basic features and advantages of IPv6

Basic Network Configuration

  • configure manually, and automatically, the systems network interfaces
  • configure the basic TCP/IP settings
  • configure the default route for a network interface

Basic Network Troubleshooting

  • describe commands to start, stop, reconfigure, add, and delete network interfaces and routes to troubleshoot network interfaces
  • describe how to change, view, and configure the routing table, including correcting an improperly set default route
  • troubleshoot basic problems with network connectivity
  • troubleshoot problems with the network configuration

Configure Client Side DNS

  • describe how to query remote DNS servers
  • configure local name resolution and configure the use of DNS servers
  • modify the order in which name resolution will be performed

Set Up Host Security

  • describe the function and purpose of shadow passwords
  • perform the actions to turn off network services that are not in use
  • configure TCP wrappers to grant or deny access to services on the local system

Practice: Linux Networking

  • configure and manage interfaces and networking in Linux