Basic Prerequisite Videos
Bash Shell Scripting
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WHAT IS SHELL & SHELL SCRIPTING ? | OPERATING SYSTEM GUI & CLI | WHAT IS BASH SHELL ? (31:53)
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Summary
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CREATING A SCRIPT FILE AND BUILDING A COMMAND | VARIABLES & USER-DEFINED VARIABLES | STATUS CODE | EXECUTABLE PROGRAM | PATH | HASHBANG OR SHEBANG | SCRIPT FILE | BASH.RC FILE | ARGUMENTS (38:23)
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ITERATION IN SHELL SCRIPTING | USERADD & ID COMMAND | ITERATION | LOOP | FOR LOOP | SYNTAX OF ITERATION | PASSWD FILE (48:11)
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IF/ELSE CONDITIONS & USER BACKUP SCRIPTING | FOR LOOP | IF-ELSE CONDITIONS | TEST COMMAND | CONDITIONAL OPERATORS | I/O REDIRECTION | NESTED CONDITIONS | USERADD | READ KEYWORD | WHILE LOOP | USER LOCK | PASSWD FILE | REGEX | GREP & CUT COMMAND | HOME DIRECTORY | BACKUP -- TAR COMMAND (62:30)
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HOW TO EXECUTE SCRIPT OVER NETWORK | LOG ANALYSIS | LAUNCHING AWS EC2 INSTANCE | WINSCP TOOL | HTTPD | CONFIGURING WEB SERVER | ACCESS_LOGS / ERROR_LOGS | WC , CHMOD ,SUDO ,AWK ,SORT ,UNIQ ,TAIL ,SCP COMMAND | SSH + PRIVATE KEY | OPERATIONS ON LOG FILE | QUERY STRING | FUNCTIONS (104:01)
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REGEX | FOR LOOP | AWK & GREP COMMAND | PASSWD FILE | BASH SHELL / SH SHELL | PASSWD COMMAND / --STDIN KEYWORD | SED COMMAND | IF / ELIF / ELSE CONDITION | CREATING OPTIONS IN OUR SCRIPT | USAGE KEYWORD | GETOPTS , SET COMMAND | PRE-CREATED VARIABLE & FUNCTION (70:41)
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Linux OS|SHELL|Cisco switches|GUI|BASH shell.|Script|creating a script file|test` keyword|&&’ symbol (107:58)
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User-defined variables |pre-created variables | creating or removing files|starting point and ending point|variable read-only| create arrays| (64:07)
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Process & subprocess | Job command | Daemon |fg command | Stopping signal | Halt signal | Signal control with trap | Exit code | While loop | Sleep command | Break in loop | Options in script | getopt command (115:38)
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Shopt command | tree command | export keyword | sub shell | parallel job execution | awk command | OFS in awk | BEGIN keyword | awk command | SSH command | SCP command (67:32)
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Summary
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Practice Questions
