shell scripting training chennai

• Overview of Unix/Linux Operating System
• OS and Shell Identification:
  • version, builds, vendors, etc
• Introduction to File System and Unix Command Pipeline:
  • Navigating file system.
  • Relative paths, Absolute Paths.
  • SHELL: Introduction to shell variables: using/creating env variables for most used directory paths.
  • Detecting all the disks, used/available space and their mounted directory structure.
  • Overveiw of standard Linux directory structure
  • Difference between Windows and Unix Disk to Directory Structure mapping and the implications.
  • Redirecting command outputs to files and intermediate files
  • Finding commands, detecting type of commands, getting help for commands
  • type, which, man, apropos, info, whatis, alias (read only)
• File and Directory handling:
  • Reading/Viewing files
  • Copying, moving and deleting files, directories and directory hierarchies.
  • Listing, and handling files, directories using wildcard characters
  • Searching for files and directories by name and other parameters
  • find size of files and directories and largest files and directories in specific directories or in the whole filesystem
• Access Control:
  • File Permissions
  • Changing Read/Write/Execute Permissions
  • Changing Permissions to Execute As Owner
  • Changing file/directory ownership, super user concept
  • Soft linking files and directories
• Monitoring and Controlling Processes:
  • Overview of Linux Process and Linux Thread
  • Finding and Monitoring processes
  • Stopping and running multiple processes
  • Executing long running (server) commands
• Simple utility commands:
  • Standard Utility commands
• Shell Scripts:
  • Writing and Executing Shell Scripts
  • Using, echoing and assigning to environment variables, local variables
  • Arithmetic Expressions and Test Expressions
  • Logic Flow: if, for, while, until, loop control
  • Menu for interactive selection, case statements, parsing command line parameters
  • Functions, Interrupt Handling
• VI, awk, sed:
  • vi editor
  • Most common uses of awk
  • Most common uses of sed

Perl Scripting for SysAdmins and DevOps:

• Perl Scripting
  • Overview and background of Perl
  • Create and execute Perl Scripts.
  • Perl data types, operators and control flow
  • Perl pattern matching and its every day uses
  • Perl Subroutines and modules
  • Installing and using existing Perl Modules
• System Administration Tasks using Perl
  • Filtering and transforming command outputs using pattern matching
  • Perl DBI – DataBase Interface
  • Parsing and analyzing log files