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Danh sách Khóa học > Lập Trình Bash Shell Căn Bản

  • Lập Trình Bash Shell Căn Bản

Thời lượng 36 giờ / Học phí 3,000,000

Bạn là quản trị hệ thống, để công việc tự động hóa hơn thì cần phải biết kỹ năng viết script cho hệ thống, và script shell có thể sử dụng cho nhiều Linux Distro khác nhau.VNLAMP sẽ hướng dẫn và hổ trợ bạn trong suốt khóa học về các script.

Nội dung chương trình

 

  • Introduction to BASH Command Line Interface (CLI)
    • Identify BASH installation & key configuration files on RedHat & Debian GNU/Linux distros
      • .profile/.bash_profile/.bashrc/.bash_history
    • Identify & use common built-in BASH commands (pwd,cd,set,unset,export,source,etc.)
    • BASH Command-line Expansion
      • Brace Expansion
      • Tilde Expansion
      • Parameter & variable Expansion
      • Command Substitution
    • BASH Reserved words
    • BASH History identification & configuration
    • Aliases (ls,du,df,rm,cp)
    • Backticks - command expansion & execution
    • BASH Prompt configuration
    • Command chaining
    • Error level/Return code (Command Exit Status) identification
      • Test return 0
      • Test return 126 - permissions
      • Test return 127 - command not found
    • Conditional execution of subsequent commands 
  • Redirection
    • Standard Input
      • Direct input from Standard Input
      • Redirect input from a file
    • Standard Output
      • Direct output to Standard Output
      • Redirect output to a file
      • Append Standard Output to an existing file
    • Standard Error
      • Redirect Standard Error
    • Input/Output (I/O) Redirection
      • Pipes
      • Sequential execution via pipes
    • Quoting & Escaping
      • single quotes preserves whitespace, double quotes don't
      • Full-quoting - single quotes - all enclosed values are literal
      • Partial quoting - double quotes - all enclosed values are literal except "$, , `"
      • is the escape character used to treat following strings literally
  • BASH Scripting
    • Basic Script definition (hello world), permissions modification & execution
    • Internal BASH variables
    • Global Variable definition
    • Function definition
    • Local Variable definition - function scope
    • BASH Arrays
    • Loops
      • For
      • While
      • Until
    • Menu creation using Select
    • Job control - Foreground/Background processing
    • Conditionals - If-Then-Else - Testing
    • Case - Concise Conditional Branching
    • Positional Parameters
  • BASH Script Definition
    • Create BASH script to move multiple files to new names defined by positional parameters
    • Create script to monitor directory for file changes and report the differences via E-mail to Administrator
    • Create script to monitor directory size and report threshold encroachment to Administrator via E-mail
    • Define script to parse logs for keywords and notify the Administrator via E-mail
    • Create script to monitor network connectivity between hosts and report outages to Admin via E-mail
    • Define script to monitor process, restart if fails, and E-mail Administrator at defineable limits
    • Create script to backup sub-directories using Tar & Gzip, define threshold, and SSH file to remote host
    • Log the output of BASH scripts to a Syslog-like format

Bonus:

- Startup script for the compiled programe

- MYSQL backup script

- Manage Vhost in Web server Apache