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.