Description

This internship covers the daily tasks of monitoring and administering enterprise systems and networks in Windows and Linux environments with TCP/IP and cross-platform routers. It relies on basic system commands and Open Source tools.

Who is this training for ?

For whom ?

This course is aimed at enterprise system and network administrators.

Prerequisites

Training objectives

Define an administration strategy for the network

Use system commands to observe the functioning of the systems

Use Open Source administration tools: SmokePing, Munin, SNMP, MRTG, Nmap, AIDE and Nagios

Training program

• Principles of systems and network administration
  • What to monitor? System resource usage.
  • File system.
  • Users.
  • Network traffic.
  • Routers.
  • What means, what tools? Basic tools.
  • System commands, routine scripts.
  • System logs.
  • Additional software.
  • Network observers.
  • SNMP tools.
  • File system auditing.
  • Network scanners.
  • Practical work Definition of an administration strategy
• Deploying a TCP/IP and Linux network
  • Reminders about TCP/IP architecture: protocols and services.
  • Addressing and routing.
  • Address classes and network mask.
  • General operation of routing and routers.
  • Configuring systems.
  • Configuring routers.
  • Deploying network services.
  • FTP, Web and DNS servers.
  • Routing protocols.
  • Administration strategy.
  • Practical work Installation of a network business: configuring systems and routers.
  • Adapting the administration strategy to the network.
• Basic commands for observing systems operation
  • Observation of processes and resources used.
  • ps, lsof, df, du.
  • Observation of users.
  • w, who , whodo, last.
  • Analysis of active network services.
  • Netstat.
  • Practical work Use of basic commands and for monitoring.
• Open Source Administration Tools
  • Network observer: Ethereal.
  • General operation.
  • Creation of display filters.
  • Analysis of Ethereal traces.
  • Network scanners: Nmap and Nessus.
  • What is a "scanner"? Local scanning.
  • Network scanning.
  • Auditing file systems: HELP.
  • Nagios, a complete solution for monitoring networks, servers and applications.
  • Other Open Source administration tools .
  • Big Brother and Hobbit.
  • Practical work Configuration and use of Ethereal, SmokePing, Munin, SNMP, MRTG, Nmap, AIDE and Nagios.
  • Presentation of Big Brother and Hobbit
• Other security techniques and tools
  • Filters on routers and systems.
  • Firewall.
  • IDS (Intrusion Detection System).
  • Encryption and digital certificates .