Description

This intensive course has several objectives: to allow participants to achieve real mastery of the system thanks to rigorous educational progression and numerous practical exercises under the main versions of Unix (AIX, HP/UX, Solaris and Linux), provide a summary of the information necessary for daily use and understanding the operation of the system, detail a selection of varied and representative examples of the system's possibilities and present the fundamental differences between the main versions of the Unix system. /p>

Who is this training for ?

For whom ?

IT professionals who need to use or evaluate Unix in a professional context. Future Unix administrator needing to acquire a good foundation in Unix.

Prerequisites

Training objectives

Master the file management system

Use shell commands and programming

Know how to handle processes

Implement network configuration

Master the main daily operating tasks of a Unix server

Training program

• Getting started with the machine
  • Standards, architecture.
  • Connection, identity, information, logout.
  • Use of graphical interfaces (CDE, GNOME, KDE).
  • Directory and files, assembly.
  • Versions of Unix (Aix, HP/UX, Solaris, Linux.
  • ).
  • Why are there different versions of Unix? How far does the compatibility go? Which version for what type of application?
• First exploration of the system
  • Tree and path.
  • Principle of protections.
  • Attributes of files and directories.
  • Use the help correctly online.
  • Practical work Start the system, log in, use online help, execute the first commands.
• File organization and management
  • Implementation aspects.
  • Hard links and symbolic links.
  • Logical representation of files.
  • The contents of directories.
  • Create and delete directories.
  • File permissions under Unix.
  • Standard tree structure.
  • Using regular expressions.
  • Compared operation of the editors (ed, sed and vi).
  • Using vi, editing files.
  • Special files.
  • Links physical, symbolic.
  • Practical work Use, creation, modification of content and permissions on files.
  • Manipulation of links, of the vi editor.
  • Using regular expressions.
• Command execution and the shell
  • The role of the shell.
  • Basic principle: operation of the shell.
  • Processes and environment.
  • Shell execution modes -scripts.
  • Basic shell functionalities: variables and special characters, redirections, dynamic command generation.
  • Script arguments, return code management.
  • Shells (ksh, bash, csh): functions, startup files.
  • Improvements to bash and ksh.
  • Practical work rnExecution of commands, shell.
• Shell programming
  • Variables.
  • Operators.
  • Loop instructions.
  • Conditional instructions.
  • Operator test.
  • Control structures.
  • Session and shell settings.
  • Examples of interactive programs.
  • Work practices Shell editing.
  • Using the vi editor.
• Process management and interprocess communication
  • Multitasking and associated calls.
  • Signals, responding to a signal (trap).
  • Process dynamics and associated commands, process priorities.
  • Process priorities.
  • Concept of thread.
  • Pipes: principle and operation.
  • Interprocess communication: pipes, named pipes.
  • IPCs, sockets, RPCs.
  • Internal mechanisms of file management: system calls and tables, relationship with process management.
  • Practical work Process manipulation (fg, ps, .
  • )
• Local and network communication. TCP/IP
  • Local communication.
  • Unix in local network (TCP/IP).
  • ARPA commands (telnet, ftp).
  • R-commands (rcp, rsh, rlogin).
  • Secure ssh and scp commands.
  • File sharing by NFS.
  • The different services name (hosts, NIS and DNS).
  • First element of network administration (ping, netstat, ifconfig).
  • Practical work Configure the network.
  • Use file transfer commands.
• System operation
  • Backups and restores: tape management, commands (tar, crontab, etc.).
  • Task scheduling: implementation of crontab, the at command.
  • File system: standard trees, study of systems (AIX, HP_UX, Solaris, Linux), basic operation.
  • Starting the system: starting and stopping, the different run levels.
  • Starting the system: starting and stopping, the different run levels.
  • User management: basic principles and files.
  • Creation, deletion and management of groups.
  • Security concepts: file system, network, control tool.
  • Practical work Creation, deletion and management of users and groups.
• A daily Unix server
  • How does Oracle activity translate into Unix? The user environment.
  • Oracle files and processes.
  • Principles of a Web server under Unix .
  • Fundamental settings and sample session.
  • Cohabitation with Windows.
  • Samba functions.
• Tools available
  • Cutting, comparing, analyzing files.
  • View file contents.
  • Operation tools.
  • Filter, sort: grep commands, sort.
  • Compare files, find files.
  • Complex tools.
  • The awk utility.
  • Works practices Use the tools.