Bash

1. 1

   Apa Itu Bash

   Shell vs terminalBash vs sh vs zshInteractive shell vs scriptWhere Bash fits in DevOps
   20 mnt
2. 2

   Shebang dan Skrip Pertama Anda

   Shebang#!/usr/bin/env bashChmod +x./script.sh vs bash script.shExit codes
   25 mnt
3. 3

   Variabel dan Pengutipan

   Variable assignmentDouble quotes vs single quotes${var} bracesCommand substitution $(...)
   25 mnt
4. 4

   Kondisional dan Pengujian

   If statement[[ ]] testsString testsFile tests -f -d -e&& and ||Case statement
   30 mnt
5. 5

   Perulangan

   For loopWhile loopUntil loopFor f in *.txt globbingC-style for loopBreak and continue
   25 mnt
6. 6

   Fungsi

   Function definitionPositional args $1 $@ $#Return for exit codesEcho for outputLocal variables
   25 mnt
7. 7

   Array

   Indexed arrays${arr[@]}${#arr[@]} lengthAssociative arrays declare -AIterating arrays
   25 mnt
8. 8

   Ekspansi String dan Aritmetika

   ${var#prefix}${var%suffix}${var//old/new}$(( arith ))Printf formatting
   25 mnt
9. 9

   Pengalihan IO dan Pipe

   >>><2>2>&1&>+3
   25 mnt
10. 10

    Penanganan Error dan Trap

    Set -eSet -uSet -o pipefailTrap on EXITTrap on ERRCleanup functions
    30 mnt
11. 11

    Debugging dan Praktik Terbaik

    Bash -xSet -xShellcheckSafe quotingNever parse ls[[ vs [+1
    25 mnt
12. 12

    Capstone: Skrip Bootstrap Server

    Idempotent provisioningInstalling packagesCreating usersSSH key setupSystemd timersLogging+2
    60 mnt

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