bash assignment final submission

logs/app.log

@@ -0,0 +1,23 @@
+2026-05-06 09:59:15 - Running ALL scripts
+2026-05-06 09:59:15 - START: User Info
+2026-05-06 09:59:43 - SUCCESS: User Info
+2026-05-06 09:59:43 - START: System Check
+2026-05-06 09:59:44 - SUCCESS: System Check
+2026-05-06 09:59:44 - START: Backup
+2026-05-06 09:59:44 - SUCCESS: Backup
+2026-05-06 09:59:44 - START: Process Monitor
+2026-05-06 09:59:45 - SUCCESS: Process Monitor
+2026-05-06 09:59:45 - START: File Manager (list)
+2026-05-06 09:59:46 - SUCCESS: File Manager (list)
+2026-05-06 10:00:55 - Running ALL scripts
+2026-05-06 10:00:55 - START: User Info
+2026-05-06 10:03:21 - SUCCESS: User Info
+2026-05-06 10:03:21 - START: System Check
+2026-05-06 10:03:21 - SUCCESS: System Check
+2026-05-06 10:03:21 - START: Backup
+2026-05-06 10:03:22 - SUCCESS: Backup
+2026-05-06 10:03:22 - START: Process Monitor
+2026-05-06 10:03:23 - SUCCESS: Process Monitor
+2026-05-06 10:03:23 - START: File Manager (list)
+2026-05-06 10:03:23 - SUCCESS: File Manager (list)
+2026-05-06 10:03:29 - Exiting application

logs/backup.log

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+===== BACKUP STARTED =====
+Backup created: backups/backup_scripts_2026-05-06_09-49-12.tar.gz
+Cleaning old backups (keeping last 5)...
+===== BACKUP COMPLETED =====
+===== BACKUP STARTED =====
+Backup created: backups/backup_scripts_2026-05-06_09-59-44.tar.gz
+Cleaning old backups (keeping last 5)...
+===== BACKUP COMPLETED =====
+===== BACKUP STARTED =====
+Backup created: backups/backup_scripts_2026-05-06_10-03-22.tar.gz
+Cleaning old backups (keeping last 5)...
+===== BACKUP COMPLETED =====

logs/file_manager.log

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+===== FILE MANAGER ACTION: create =====
+File 'file.txt' created.
+===== FILE MANAGER ACTION: list =====
+Listing files:
+total 4.0K
+-rwxrwxrwx 1 root root 3.9K May  6 04:59 README.md
+-rwxrwxrwx 1 root root    0 May  6 09:44 file.txt
+drwxrwxrwx 1 root root 4.0K May  6 09:44 logs
+-rwxrwxrwx 1 root root    0 May  6 07:39 run_all.sh
+drwxrwxrwx 1 root root 4.0K May  6 09:44 scripts
+===== FILE MANAGER ACTION: rename =====
+Renamed 'file.txt' to 'newfile.txt'.
+===== FILE MANAGER ACTION: delete =====
+File 'newfile.txt' deleted.
+===== FILE MANAGER ACTION: list =====
+Listing files:
+total 8.0K
+-rwxrwxrwx 1 root root 3.9K May  6 04:59 README.md
+drwxrwxrwx 1 root root 4.0K May  6 09:59 backups
+drwxrwxrwx 1 root root 4.0K May  6 09:59 logs
+-rwxrwxrwx 1 root root 1.7K May  6 09:57 run_all.sh
+drwxrwxrwx 1 root root 4.0K May  6 09:54 scripts
+===== FILE MANAGER ACTION: list =====
+Listing files:
+total 8.0K
+-rwxrwxrwx 1 root root 3.9K May  6 04:59 README.md
+drwxrwxrwx 1 root root 4.0K May  6 10:03 backups
+drwxrwxrwx 1 root root 4.0K May  6 10:03 logs
+-rwxrwxrwx 1 root root 1.7K May  6 09:57 run_all.sh
+drwxrwxrwx 1 root root 4.0K May  6 09:54 scripts

logs/process_monitor.log

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+===== PROCESS MONITOR =====
+Date: Wed May  6 09:55:13 WAT 2026
+
+Status: Stopped
+Attempting to restart nginx...
+Status: Restarted
+===== CHECK COMPLETED =====
+===== PROCESS MONITOR =====
+Date: Wed May  6 09:59:44 WAT 2026
+
+Status: Stopped
+Attempting to restart nginx...
+Status: Restarted
+===== CHECK COMPLETED =====
+===== PROCESS MONITOR =====
+Date: Wed May  6 10:03:22 WAT 2026
+
+Status: Stopped
+Attempting to restart nginx...
+Status: Restarted
+===== CHECK COMPLETED =====

logs/system_report_2026-05-06_09-34-45.log

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+===== SYSTEM REPORT =====
+Date: Wed May  6 09:34:45 WAT 2026
+
+===== DISK USAGE =====
+Filesystem      Size  Used Avail Use% Mounted on
+rootfs          931G   76G  856G   9% /
+none            931G   76G  856G   9% /dev
+none            931G   76G  856G   9% /run
+none            931G   76G  856G   9% /run/lock
+none            931G   76G  856G   9% /run/shm
+none            931G   76G  856G   9% /run/user
+tmpfs           931G   76G  856G   9% /sys/fs/cgroup
+C:\             931G   76G  856G   9% /mnt/c
+
+
+===== MEMORY USAGE =====
+              total        used        free      shared  buff/cache   available
+Mem:          16303        5387       10692          17         223       10785
+Swap:         49152           0       49152
+
+===== CPU LOAD =====
+ 09:34:45 up  1:22,  0 users,  load average: 0.52, 0.58, 0.59
+
+===== TOTAL RUNNING PROCESSES =====
+8
+
+===== TOP 5 MEMORY-CONSUMING PROCESSES =====
+USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         7  0.0  0.0  18084  3608 tty1     S    08:12   0:00 -bash
+root       136  4.0  0.0  16796  1968 tty1     S    09:34   0:00 bash scripts/system_check.sh
+root       179  0.0  0.0  18660  1876 tty1     R    09:34   0:00 ps aux --sort=-%mem
+root       180  0.0  0.0  15288   840 tty1     S    09:34   0:00 head -6
+root       181  0.0  0.0  15284   840 tty1     S    09:34   0:00 tee -a logs/system_report_2026-05-06_09-34-45.log
+

logs/system_report_2026-05-06_09-42-10.log

@@ -0,0 +1,34 @@
+===== SYSTEM REPORT =====
+Date: Wed May  6 09:42:10 WAT 2026
+
+===== DISK USAGE =====
+Filesystem      Size  Used Avail Use% Mounted on
+rootfs          931G   76G  856G   9% /
+none            931G   76G  856G   9% /dev
+none            931G   76G  856G   9% /run
+none            931G   76G  856G   9% /run/lock
+none            931G   76G  856G   9% /run/shm
+none            931G   76G  856G   9% /run/user
+tmpfs           931G   76G  856G   9% /sys/fs/cgroup
+C:\             931G   76G  856G   9% /mnt/c
+
+
+===== MEMORY USAGE =====
+              total        used        free      shared  buff/cache   available
+Mem:          16303        5375       10704          17         223       10797
+Swap:         49152           0       49152
+
+===== CPU LOAD =====
+ 09:42:10 up  1:30,  0 users,  load average: 0.52, 0.58, 0.59
+
+===== TOTAL RUNNING PROCESSES =====
+8
+
+===== TOP 5 MEMORY-CONSUMING PROCESSES =====
+USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         7  0.0  0.0  18084  3612 tty1     S    08:12   0:00 -bash
+root       187  8.0  0.0  16796  1968 tty1     S    09:42   0:00 bash scripts/system_check.sh
+root       230  0.0  0.0  18660  1876 tty1     R    09:42   0:00 ps aux --sort=-%mem
+root       231  0.0  0.0  15288   844 tty1     S    09:42   0:00 head -6
+root       232  0.0  0.0  15284   836 tty1     S    09:42   0:00 tee -a logs/system_report_2026-05-06_09-42-10.log
+

logs/system_report_2026-05-06_09-59-43.log

@@ -0,0 +1,34 @@
+===== SYSTEM REPORT =====
+Date: Wed May  6 09:59:43 WAT 2026
+
+===== DISK USAGE =====
+Filesystem      Size  Used Avail Use% Mounted on
+rootfs          931G   76G  856G   9% /
+none            931G   76G  856G   9% /dev
+none            931G   76G  856G   9% /run
+none            931G   76G  856G   9% /run/lock
+none            931G   76G  856G   9% /run/shm
+none            931G   76G  856G   9% /run/user
+tmpfs           931G   76G  856G   9% /sys/fs/cgroup
+C:\             931G   76G  856G   9% /mnt/c
+
+
+===== MEMORY USAGE =====
+              total        used        free      shared  buff/cache   available
+Mem:          16303        5489       10589          17         223       10682
+Swap:         49152           0       49152
+
+===== CPU LOAD =====
+ 09:59:43 up  1:47,  0 users,  load average: 0.52, 0.58, 0.59
+
+===== TOTAL RUNNING PROCESSES =====
+9
+
+===== TOP 5 MEMORY-CONSUMING PROCESSES =====
+USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         7  0.0  0.0  18084  3612 tty1     S    08:12   0:00 -bash
+root       315  0.0  0.0  16796  2056 tty1     S    09:58   0:00 bash run_all.sh
+root       338  0.0  0.0  16796  1968 tty1     S    09:59   0:00 bash scripts/system_check.sh
+root       381  0.0  0.0  18660  1876 tty1     R    09:59   0:00 ps aux --sort=-%mem
+root       382  0.0  0.0  15288   844 tty1     S    09:59   0:00 head -6
+

logs/system_report_2026-05-06_10-03-21.log

@@ -0,0 +1,34 @@
+===== SYSTEM REPORT =====
+Date: Wed May  6 10:03:21 WAT 2026
+
+===== DISK USAGE =====
+Filesystem      Size  Used Avail Use% Mounted on
+rootfs          931G   76G  856G   9% /
+none            931G   76G  856G   9% /dev
+none            931G   76G  856G   9% /run
+none            931G   76G  856G   9% /run/lock
+none            931G   76G  856G   9% /run/shm
+none            931G   76G  856G   9% /run/user
+tmpfs           931G   76G  856G   9% /sys/fs/cgroup
+C:\             931G   76G  856G   9% /mnt/c
+
+
+===== MEMORY USAGE =====
+              total        used        free      shared  buff/cache   available
+Mem:          16303        5495       10583          17         223       10676
+Swap:         49152           0       49152
+
+===== CPU LOAD =====
+ 10:03:21 up  1:51,  0 users,  load average: 0.52, 0.58, 0.59
+
+===== TOTAL RUNNING PROCESSES =====
+9
+
+===== TOP 5 MEMORY-CONSUMING PROCESSES =====
+USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         7  0.0  0.0  18084  3612 tty1     S    08:12   0:00 -bash
+root       315  0.0  0.0  16796  2060 tty1     S    09:58   0:00 bash run_all.sh
+root       474 10.0  0.0  16796  1972 tty1     S    10:03   0:00 bash scripts/system_check.sh
+root       517  0.0  0.0  18660  1876 tty1     R    10:03   0:00 ps aux --sort=-%mem
+root       518  0.0  0.0  15288   844 tty1     S    10:03   0:00 head -6
+

logs/user_info.log

@@ -0,0 +1,12 @@
+--------------------------------
+Hello Tariq Olugbode from NIGERIA!
+You are classified as: Adult
+--------------------------------
+--------------------------------
+Hello Tariq Olugbode from NIGERIA!
+You are classified as: Adult
+--------------------------------
+--------------------------------
+Hello Tariq Olugbode from NIGERIA!
+You are classified as: Adult
+--------------------------------

run_all.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+set -euo pipefail
+
+mkdir -p logs
+LOG_FILE="logs/app.log"
+
+log() {
+  echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
+}
+
+# -------------------------
+# FUNCTIONS
+# -------------------------
+
+run_all() {
+  log "Running ALL scripts"
+
+  run_script "User Info" "bash scripts/user_info.sh"
+  run_script "System Check" "bash scripts/system_check.sh"
+  run_script "Backup" "bash scripts/backup.sh scripts"
+  run_script "Process Monitor" "bash scripts/process_monitor.sh nginx"
+  run_script "File Manager (list)" "bash scripts/file_manager.sh list"
+}
+
+run_system_check() {
+  log "Running System Check"
+  run_script "System Check" "bash scripts/system_check.sh"
+}
+
+run_backup() {
+  read -p "Enter directory to back up: " DIR
+  log "Running Backup on $DIR"
+  run_script "Backup" "bash scripts/backup.sh $DIR"
+}
+
+# -------------------------
+# SAFE EXECUTION HANDLER
+# -------------------------
+run_script() {
+  NAME=$1
+  CMD=$2
+
+  echo ""
+  echo ">>> $NAME"
+  log "START: $NAME"
+
+  if eval "$CMD"; then
+    log "SUCCESS: $NAME"
+  else
+    log "FAILED: $NAME"
+    echo "Error occurred in $NAME (continuing...)"
+  fi
+}
+
+# -------------------------
+# MENU
+# -------------------------
+while true; do
+  echo ""
+  echo "=============================="
+  echo " DEVOPS TOOLKIT MENU"
+  echo "=============================="
+  echo "1. Run All"
+  echo "2. System Check"
+  echo "3. Backup"
+  echo "4. Exit"
+  echo "=============================="
+
+  read -p "Choose an option: " CHOICE
+
+  case $CHOICE in
+    1) run_all ;;
+    2) run_system_check ;;
+    3) run_backup ;;
+    4)
+      log "Exiting application"
+      echo "Goodbye!"
+      exit 0
+      ;;
+    *)
+      echo "Invalid option. Try again."
+      ;;
+  esac
+done

scripts/backup.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+mkdir -p backups
+mkdir -p logs
+
+LOG_FILE="logs/backup.log"
+
+SOURCE=$1
+DATE=$(date +"%Y-%m-%d_%H-%M-%S")
+
+echo "===== BACKUP STARTED =====" | tee -a "$LOG_FILE"
+
+# -------------------------
+# Validate input
+# -------------------------
+if [ -z "$SOURCE" ]; then
+  echo "Error: No directory provided." | tee -a "$LOG_FILE"
+  echo "Usage: $0 <directory>" | tee -a "$LOG_FILE"
+  exit 1
+fi
+
+# -------------------------
+# Check directory exists
+# -------------------------
+if [ ! -d "$SOURCE" ]; then
+  echo "Error: Directory '$SOURCE' does not exist." | tee -a "$LOG_FILE"
+  exit 1
+fi
+
+# -------------------------
+# Create backup
+# -------------------------
+BACKUP_NAME="backups/backup_$(basename "$SOURCE")_$DATE.tar.gz"
+
+tar -czf "$BACKUP_NAME" "$SOURCE"
+
+echo "Backup created: $BACKUP_NAME" | tee -a "$LOG_FILE"
+
+# -------------------------
+# Keep only last 5 backups
+# -------------------------
+echo "Cleaning old backups (keeping last 5)..." | tee -a "$LOG_FILE"
+
+ls -t backups/*.tar.gz 2>/dev/null | tail -n +6 | while read OLD; do
+  rm -f "$OLD"
+  echo "Deleted old backup: $OLD" | tee -a "$LOG_FILE"
+done
+
+echo "===== BACKUP COMPLETED =====" | tee -a "$LOG_FILE"