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• Leave a review - let other readers know what you think
• Other Books You May Enjoy
• Summary
• Drop the table
• Delete the data
• Update the data

• Leave a review - let other readers know what you think 更新時間：2021-06-25 22:03:32
• Other Books You May Enjoy
• Summary
• Drop the table
• Delete the data
• Update the data
• Retrieving data from a table
• Inserting the data into table
• Creating a table
• Create user through a shell script
• Predefined variables
• The Define command
• The Grant statement
• Creating a user in Oracle SQL command line
• Switching to an Oracle user
• Working with Oracle Database
• Drop the database
• Drop the table
• Describing a table
• Altering a table
• Deleting data
• Updating data
• Retrieving data from the table
• Inserting data into table
• Creating a table in MySQL
• Creating a user
• Show databases
• Creating a database
• Checking the version of MySQL database
• Working with a MySQL Database
• Introduction to database administration
• Database Administration Using Shell Scripts
• Summary
• A summary of commands for embedding other programming languages
• Embedding other language code in Bash – comparative study
• Embedding Ruby code
• Embedding Python code in Bash shell Script
• Sending user input to the embedded code
• Using data from file by embedded language
• Sending data to an embedded language code
• Storing other language output to Bash variable
• Sending output to Bash Script
• Embedding other language code in Bash shell script
• Embedding other language codes or scripts in Bash shell scripts
• Automating backup activity
• Backup across the network
• Backup command rsync
• Backup of files from command line
• Taking Backup and Embedding Other Languages in Shell Scripts
• Summary
• Using the do while loop
• Using the while loop
• Using the for loop
• Decision-making using an if statement
• Using variables in awk
• Writing the awk script file
• Regular expressions
• Actions
• Patterns
• Patterns and actions
• The input field separator
• Field separators
• Fields
• The NR variable
• The $0 variable
• The record separator
• Records
• Records and fields
• awk commands from within a file
• How awk works
• Input from commands
• Input from files
• Using awk
• The meaning of awk
• Using awk
• sed scripting
• Holding and exchanging – the h and x commands
• Holding and getting – the h and g commands
• Quit – the q command
• Transform – the y command
• Changing – the c command
• Inserting – the i command
• Appending – the a command
• Writing to files – the w command
• Reading from files – the r command
• Multiple edits – the e command
• Range of selected lines the comma
• Substitution – the s command
• Deleting – the d command
• Printing – the p command
• How to modify a file with sed
• Addressing in sed
• Understanding regular expression usage in sed
• Understanding sed
• sed – non-interactive stream editor
• The basics of regular expressions
• Pattern Matching and Regular Expressions with sed and awk
• Summary
• User level settings – default files
• System-wide setting scripts
• User initialization scripts
• System initialization boot scripts
• Understanding run levels
• The kernel startup and init process
• System startup inittab and run levels
• System Startup and Customizing a Linux System
• Summary
• The progress meter box (gauge)
• The radiolist box (radiolist)
• The menu box (menu)
• The checklist box (checklist)
• A password box
• The textbox (textbox)
• The input box (inputbox)
• The yes/no box (yesno)
• Creating a message box (msgbox) with a title
• Creating a message box (msgbox)
• Creating dialog boxes with the dialog utility
• Running scripts or processes even if the user logs out
• Using traps inside a function
• Listing traps
• Resetting signals
• Ignoring signals
• Using the trap command
• Understanding signals and traps
• Using Advanced Functionality in Scripts
• Summary
• Creating a library of functions
• Command source and period (.)
• Running functions in the background
• Returning a word or string from a function
• Returning information from functions
• Declaring local variables in functions
• Sharing the data with many functions
• Passing arguments or parameters to functions
• Removing functions
• Displaying functions
• Understanding functions
• Working with Functions
• Summary
• The IFS and loops
• Running loops in the background
• Piping the output of a loop to a Linux command
• Using until
• Working with the do – while loop
• Exiting from a loop with a break
• Exiting from the current loop iteration with the continue command
• Looping with the for command
• Automating Repetitive Tasks
• Summary
• Implementing simple menus with select
• Switching case
• The null command
• The if/elif/else command
• Multiple test commands and if constructs
• File handling with the if command
• Checking for null values
• String handling with the if construct
• Using the exit command and the ? variable
• Numerical handling if constructs
• Conditional constructs – if else
• Logical test operators
• File-testing binary operators
• File test options for the test command
• Numerical comparison operators for the test command
• String comparison options for the test command
• Using the test command with double brackets
• Using the test command
• Understanding the test command
• Checking the exit status of commands
• Automating Decision-Making in Scripts
• Summary
• Floating-point arithmetic
• Binary octal and hex arithmetic operations
• Using an arithmetic expansion
• Using the expr command for arithmetic
• Using the let command for arithmetic
• Listing integers
• Using a declare command for arithmetic
• Performing Arithmetic Operations in Shell Scripts
• Summary
• Good practices for Shell scripts
• The vi editor setting for debugging
• Summary of debugging options for the set command
• Using the set command
• Summarizing the debugging options for the Bash shell
• Debugging mode – the tracing execution (option -x)
• Debugging mode - displaying commands (option -v)
• Debugging mode – disabling the shell (option -n)
• Debugging
• Summarizing usage of the exec command
• Executing the command and storing the results in a file
• File handling - reading line by line
• Displaying the file descriptor information from the /proc folder
• Reading from one file and writing to another file
• Using the read command on a file descriptor (fd)
• Understanding reading and writing to a file
• Understanding reading from a file
• Understanding the opening writing and closing of a file
• Using exec to assign a file descriptor (fd) to file
• Introducing file handling
• File handling
• The here string and the <<< operator
• Turning off variable substitution
• Using the << here operator for FTP usage and data transfer
• A script for sending messages to all logged-in users
• The utility ed and here operator
• The here operator with the wc command
• The here operator with the sort command
• The here document and the << operator
• Summarizing the read command with options
• Interactive shell scripts – reading user input
• Neat Tricks with Shell Scripting
• Summary
• Accessing array values
• Creating an array and initializing it
• Working with arrays
• Understanding default parameters
• Understanding getopts
• Resetting positional parameters
• Understanding shift
• Understanding set
• Working with command-line arguments (special variables set and shift getopt)
• Working with read-only variables
• Exporting variables
• The local variable and its scope
• Working with environment variables
• Understanding variables
• Exploring Expressions and Variables
• Summary
• Pipes
• Command1 || command2
• Command1 && command2
• Command1 & command2
• Logical operators
• Command grouping
• Command1; command2
• Command separators
• Command substitution
• The exit status
• Checking and disabling shell internal commands
• Learning shell interpretation of commands
• Working with Commands
• Summary
• Pattern searching using grep
• Pattern matching with the vi editor
• Brace expansion
• Redirection
• File descriptors
• IO redirection
• The sort command
• The tr command
• The comm command
• The uniq command
• The join command
• The paste command
• The cut command
• The diff command
• Head and tail
• Text filtering tools
• Using Text Processing and Filters in Your Scripts
• Summary
• Understanding crontab
• Understanding "at"
• Process monitoring tools – top iostat and vmstat
• Process management
• Monitoring processes using ps
• Introducing process basics
• Drilling Deep into Process Management Job Control and Automation
• Summary
• Sticky bit
• Setgid
• Setuid
• Setting umask
• Technique two – the numeric method
• Technique one – the symbolic method
• The chmod command
• Changing file permissions
• Working with permissions
• Working more effectively with Shell – basic commands
• Various directories
• When not to use scripts
• Compiler and interpreter – differences in process
• Our first script – Hello World
• Learning basic Linux commands
• Working in the shell
• Tasks done by the shell
• Comparison of shells
• Getting Started and Working with Shell Scripting
• Reviews
• Get in touch
• Conventions used
• Download the example code files
• To get the most out of this book
• What this book covers
• Who this book is for
• Preface
• Packt is searching for authors like you
• About the reviewer
• About the author
• Contributors
• PacktPub.com
• Why subscribe?
• Packt Upsell
• Dedication
• 版權信息
• 封面

• 封面
• 版權信息
• Dedication
• Packt Upsell
• Why subscribe?
• PacktPub.com
• Contributors
• About the author
• About the reviewer
• Packt is searching for authors like you
• Preface
• Who this book is for
• What this book covers
• To get the most out of this book
• Download the example code files
• Conventions used
• Get in touch
• Reviews
• Getting Started and Working with Shell Scripting
• Comparison of shells
• Tasks done by the shell
• Working in the shell
• Learning basic Linux commands
• Our first script – Hello World
• Compiler and interpreter – differences in process
• When not to use scripts
• Various directories
• Working more effectively with Shell – basic commands
• Working with permissions
• Changing file permissions
• The chmod command
• Technique one – the symbolic method
• Technique two – the numeric method
• Setting umask
• Setuid
• Setgid
• Sticky bit
• Summary
• Drilling Deep into Process Management Job Control and Automation
• Introducing process basics
• Monitoring processes using ps
• Process management
• Process monitoring tools – top iostat and vmstat
• Understanding "at"
• Understanding crontab
• Summary
• Using Text Processing and Filters in Your Scripts
• Text filtering tools
• Head and tail
• The diff command
• The cut command
• The paste command
• The join command
• The uniq command
• The comm command
• The tr command
• The sort command
• IO redirection
• File descriptors
• Redirection
• Brace expansion
• Pattern matching with the vi editor
• Pattern searching using grep
• Summary
• Working with Commands
• Learning shell interpretation of commands
• Checking and disabling shell internal commands
• The exit status
• Command substitution
• Command separators
• Command1; command2
• Command grouping
• Logical operators
• Command1 & command2
• Command1 && command2
• Command1 || command2
• Pipes
• Summary
• Exploring Expressions and Variables
• Understanding variables
• Working with environment variables
• The local variable and its scope
• Exporting variables
• Working with read-only variables
• Working with command-line arguments (special variables set and shift getopt)
• Understanding set
• Understanding shift
• Resetting positional parameters
• Understanding getopts
• Understanding default parameters
• Working with arrays
• Creating an array and initializing it
• Accessing array values
• Summary
• Neat Tricks with Shell Scripting
• Interactive shell scripts – reading user input
• Summarizing the read command with options
• The here document and the << operator
• The here operator with the sort command
• The here operator with the wc command
• The utility ed and here operator
• A script for sending messages to all logged-in users
• Using the << here operator for FTP usage and data transfer
• Turning off variable substitution
• The here string and the <<< operator
• File handling
• Introducing file handling
• Using exec to assign a file descriptor (fd) to file
• Understanding the opening writing and closing of a file
• Understanding reading from a file
• Understanding reading and writing to a file
• Using the read command on a file descriptor (fd)
• Reading from one file and writing to another file
• Displaying the file descriptor information from the /proc folder
• File handling - reading line by line
• Executing the command and storing the results in a file
• Summarizing usage of the exec command
• Debugging
• Debugging mode – disabling the shell (option -n)
• Debugging mode - displaying commands (option -v)
• Debugging mode – the tracing execution (option -x)
• Summarizing the debugging options for the Bash shell
• Using the set command
• Summary of debugging options for the set command
• The vi editor setting for debugging
• Good practices for Shell scripts
• Summary
• Performing Arithmetic Operations in Shell Scripts
• Using a declare command for arithmetic
• Listing integers
• Using the let command for arithmetic
• Using the expr command for arithmetic
• Using an arithmetic expansion
• Binary octal and hex arithmetic operations
• Floating-point arithmetic
• Summary
• Automating Decision-Making in Scripts
• Checking the exit status of commands
• Understanding the test command
• Using the test command
• Using the test command with double brackets
• String comparison options for the test command
• Numerical comparison operators for the test command
• File test options for the test command
• File-testing binary operators
• Logical test operators
• Conditional constructs – if else
• Numerical handling if constructs
• Using the exit command and the ? variable
• String handling with the if construct
• Checking for null values
• File handling with the if command
• Multiple test commands and if constructs
• The if/elif/else command
• The null command
• Switching case
• Implementing simple menus with select
• Summary
• Automating Repetitive Tasks
• Looping with the for command
• Exiting from the current loop iteration with the continue command
• Exiting from a loop with a break
• Working with the do – while loop
• Using until
• Piping the output of a loop to a Linux command
• Running loops in the background
• The IFS and loops
• Summary
• Working with Functions
• Understanding functions
• Displaying functions
• Removing functions
• Passing arguments or parameters to functions
• Sharing the data with many functions
• Declaring local variables in functions
• Returning information from functions
• Returning a word or string from a function
• Running functions in the background
• Command source and period (.)
• Creating a library of functions
• Summary
• Using Advanced Functionality in Scripts
• Understanding signals and traps
• Using the trap command
• Ignoring signals
• Resetting signals
• Listing traps
• Using traps inside a function
• Running scripts or processes even if the user logs out
• Creating dialog boxes with the dialog utility
• Creating a message box (msgbox)
• Creating a message box (msgbox) with a title
• The yes/no box (yesno)
• The input box (inputbox)
• The textbox (textbox)
• A password box
• The checklist box (checklist)
• The menu box (menu)
• The radiolist box (radiolist)
• The progress meter box (gauge)
• Summary
• System Startup and Customizing a Linux System
• System startup inittab and run levels
• The kernel startup and init process
• Understanding run levels
• System initialization boot scripts
• User initialization scripts
• System-wide setting scripts
• User level settings – default files
• Summary
• Pattern Matching and Regular Expressions with sed and awk
• The basics of regular expressions
• sed – non-interactive stream editor
• Understanding sed
• Understanding regular expression usage in sed
• Addressing in sed
• How to modify a file with sed
• Printing – the p command
• Deleting – the d command
• Substitution – the s command
• Range of selected lines the comma
• Multiple edits – the e command
• Reading from files – the r command
• Writing to files – the w command
• Appending – the a command
• Inserting – the i command
• Changing – the c command
• Transform – the y command
• Quit – the q command
• Holding and getting – the h and g commands
• Holding and exchanging – the h and x commands
• sed scripting
• Using awk
• The meaning of awk
• Using awk
• Input from files
• Input from commands
• How awk works
• awk commands from within a file
• Records and fields
• Records
• The record separator
• The $0 variable
• The NR variable
• Fields
• Field separators
• The input field separator
• Patterns and actions
• Patterns
• Actions
• Regular expressions
• Writing the awk script file
• Using variables in awk
• Decision-making using an if statement
• Using the for loop
• Using the while loop
• Using the do while loop
• Summary
• Taking Backup and Embedding Other Languages in Shell Scripts
• Backup of files from command line
• Backup command rsync
• Backup across the network
• Automating backup activity
• Embedding other language codes or scripts in Bash shell scripts
• Embedding other language code in Bash shell script
• Sending output to Bash Script
• Storing other language output to Bash variable
• Sending data to an embedded language code
• Using data from file by embedded language
• Sending user input to the embedded code
• Embedding Python code in Bash shell Script
• Embedding Ruby code
• Embedding other language code in Bash – comparative study
• A summary of commands for embedding other programming languages
• Summary
• Database Administration Using Shell Scripts
• Introduction to database administration
• Working with a MySQL Database
• Checking the version of MySQL database
• Creating a database
• Show databases
• Creating a user
• Creating a table in MySQL
• Inserting data into table
• Retrieving data from the table
• Updating data
• Deleting data
• Altering a table
• Describing a table
• Drop the table
• Drop the database
• Working with Oracle Database
• Switching to an Oracle user
• Creating a user in Oracle SQL command line
• The Grant statement
• The Define command
• Predefined variables
• Create user through a shell script
• Creating a table
• Inserting the data into table
• Retrieving data from a table
• Update the data
• Delete the data
• Drop the table
• Summary
• Other Books You May Enjoy
• Leave a review - let other readers know what you think 更新時間：2021-06-25 22:03:32