Linux

You will learn how to

• Manage, control and automate Linux GNU open-source tools
• Create, edit and search Linux files and directories
• Limit access within the file system by controlling permissions and ownership
• Combine GNU filter commands in pipelines to process and format text data
• Exploit Bash shell features to enhance the command line interface
• Perform multiple tasks in shell scripts

Course benefits
Linux is the open source operating system of choice for deployment throughout the enterprise. With its rapid expansion and multiple developer input, there is an increasing demand for skilled users who can exploit the features of this powerful platform to their organisation's advantage.

In this course, you gain the essential knowledge and skills required to leverage the wide range of Linux graphical and command line tools.

Who should attend
This course is valuable for those who are interested in acquiring the fundamental knowledge necessary to become a Linux administrator, developer, security specialist, application support specialist and more. Basic computer knowledge is assumed.

Hands-on training
Throughout this course, you gain hands-on experience with the Linux operating system and GNU tools using Red Hat Enterprise Linux. Exercises include:

• Accessing graphical applications from the GNOME desktop
• Building, linking and removing Linux files and directories
• Setting and testing file permissions
• Formatting and changing text using filters and pipelines
• Customising start-up scripts for enhanced Bash interactivity
• Writing and running shell scripts for automation
• Launching and controlling processes
• Creating and extracting compressed archives

Course content

Introducing Linux The UNIX heritage Linux inception Linux kernel and GNU tools Open-source licensing Distributions Accessing the System The GNOME desktop Customising panels, launchers and applets Examining graphical applications Personalising the terminal window Starting at the command line Switching to console logins Performing a SSH login Structuring commands Managing Files and Directories Naming files and directories Contrasting full and relative pathnames Unravelling the file system hierarchy Handling files with cp and mv Linking files Organising files under directories Making and navigating directories Listing attributes with ls Browsing with GNOME Nautilus Working with Linux files Accelerating command line usage with Bash wildcards Scrolling through files with GNU less Comparing files with diff Controlling Access to Linux Resources Defining access rights to files Identifying multiple users and groups Interpreting file and directory modes Adjusting access permissions: chmod Collaborating via group membership Joining secondary groups Inheriting and changing group ownership Adopting multiple roles Knowing who you are to the system Switching identity Changing passwords Raising privilege with su, sudo and setuid Searching the System Seeking files with specified attributes Locating files with find Finding pathnames with slocate Matching text strings Extracting lines with GNU grep Matching patterns with regular expressions Manipulating Text Files and Streams Redirecting streams and filtering text Saving command output into files Connecting commands using pipes Selecting lines and fields using head, tail, gawk and cut Organising text with sort Editing files and streams Automating stream edits with sed Creating and modifying files: vim, gedit Leveraging Bash Shell Features Customising Bash behaviour Setting options: noclobber, ignoreeof Assigning to built-in shell variables Aliasing commands Initialising context Exporting variables to the environment Extending login and start-up scripts Enhancing interactivity Retrieving and reusing previous commands Exploiting file name completion shortcuts Automating Tasks with Shell Scripts Invoking shell scripts Taking bash input from a file Running scripts using source Calling scripts as commands Passing positional parameters Testing and controlling execution Checking exit status with if Verifying file attributes with conditionals Repeating commands with for loops Executing Jobs and Processes Monitoring processes with ps and top Launching multiple jobs Signalling with kill Archiving and Retrieving Data Mounting storage devices Measuring free space Compressing with bzip and gzip Creating tar archives