Oracle Linux Fundamentals (Oracle PartnerNetwork)

Содержание

Exam Topics:

Enterprise Linux Fundamentals

• What is Linux?
• Identify the origins of UNIX and how Linux is related to UNIX
• Describe the major goals of the Free Software Foundation and the GNU project
• List key elements of a Linux distribution and name several distributions
• List several standards that apply to Linux
• Describe the basic mechanisms that make UNIX so powerful

Multi User Concepts

• Describe the differences between the administrative (root) user and normal user accounts and explain when each should be used
• Log into the system
• Switch between accounts using the 'su' command
• Use basic commands to gather information about the system
• Use system help facilities to learn about commands and their options.

The Linux File System

• List the standard system directories and explain what type of files are contained in each
• Navigate the file system
• Explain standard POSIX file permissions including special permissions such as the SUID, SGID and Sticky bits on both files and directories
• Change permissions of files
• Explain how file ownership (user: group) relates to file permissions
• Change ownership of files
• Describe how the User Private Group (UPG) scheme works and the problem it solves

Manipulating Files

• Be able to create, delete, copy, move and rename files and directories
• Describe the various types of files that can be stored on UNIX and Linux file systems
• Explain hard links and symbolic links, their pros & cons and when & where they can or can not be used
• Identify the type of content of any file
• View the contents of both text-based and binary files
• Search the file system for files and directories with specific properties

Text Processing

• Search inside of files for specified information
• Perform file editing, sorting, cutting & merging text files from the command linee

Shell Basics

• Understand the varied roles the command shell plays in everyday UNIX/Linux usage
• Pipe several commands together to perform more complex and useful processing
• Use file redirection on the command line
• Create and use shell and environment variables to configure and control the operation of the system, the command shell and programs
• Use and escape special characters when they are used on the command line

Regular Expressions

• Construct regular expressions for matching text patterns

Archiving and Compression

• Use tar & cpio to create archives and extract files from them
• Compress and decompress files using the UNIX compress, GNU gzip, bzip2 and zip formats
• Text Editing
• Use simple text editors like pico and nano
• Perform basic and intermediate text editing functions efficiently with vi & Vim
• Perform basic and intermediate text editing functions with GNU Emacs

Command Shells

• List the history and relationships of the various popular shell implementations available on UNIX and Linux systems
• Identify and switch between the various shell implementations
• Customize the command prompt on Bourne and BASH shells
• Use command line history, command completion, aliases and command line editing
• Customize command shell operation system wide and for individual users

Introduction to Shell Scripting

• Process arguments passed into a shell script
• Get input from the user of a shell script
• Generate formatted output from a shell script
• Perform tasks conditionally using if, case and while loops in a shell script
• Perform repeated actions over a set of values with for loops on the command line and within shell scripts
• Do math in a shell script

Process Management and Job Control

• Describe the differences between process and threads
• Find and control running programs with ps, top, kill, and nice
• Use the jobs, fg and bg commands to view and access several tasks at once on a single shell
• Use the screen command to run several programs and disconnect from running programs on remote systems

Messaging

• Send local messages with the write and wall commands
• Use talk and ytalk to chat with other users
• Send and read email with the mail and pine commands

The Secure Shell

• Configure the ssh client and sshd server programs securely
• Establish secure, remote connections to other systems
• Use SSH's key-based authentication

Managing Software

• Find and download software via FTP & HTTP with text & graphical client programs like wget, lftp, links, Konqueror and Mozilla Firefox
• Install binary programs in RPM packages
• List software already installed on the system with RPM
• Compile and install software from source releases
• Compile and install software from a source RPM (SRPM or .src.rpm) package

Printing

• Use CUPS to connect to available local and network printers
• Use various commands to process and convert files in preparation for printing
• Send jobs to a printer
• Monitor and remove print jobs

Mounting FileSystems and Managing Removable Media

• Use the mount command
• Access NFS and SMB filesystems over the network
• Use autofs for on-demand mounting of filesystems without root privileges

X Window System

• Start the graphical environment manually
• Select different desktop environments
• Launch graphical applications
• Use Linux as an X terminal
• Customize the graphical environment and auto-start applications at login and X startup
• Securely tunnel remote graphical applications through SSH