feat: complete bash scripts

logs/app.log

@@ -0,0 +1,78 @@
+total 24K
+-rw-r--r-- 1 the_godbeing the_godbeing 612 Apr  2 15:13 backup.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 925 Apr  2 14:55 file_manager.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 385 Apr  2 15:17 process_monitor.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 597 Apr  2 15:20 run_all.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 839 Apr  2 14:31 system_check.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 671 Apr  2 11:19 user_info.sh
+===== SYSTEM REPORT =====
+---------- Disk Usage ----------
+Filesystem      Size  Used Avail Use% Mounted on
+none            3.9G     0  3.9G   0% /usr/lib/modules/6.6.87.2-microsoft-standard-WSL2
+none            3.9G  4.0K  3.9G   1% /mnt/wsl
+drivers         238G  101G  137G  43% /usr/lib/wsl/drivers
+/dev/sdd       1007G  1.6G  955G   1% /
+none            3.9G  112K  3.9G   1% /mnt/wslg
+none            3.9G     0  3.9G   0% /usr/lib/wsl/lib
+rootfs          3.9G  2.7M  3.9G   1% /init
+none            3.9G  488K  3.9G   1% /run
+none            3.9G     0  3.9G   0% /run/lock
+none            3.9G     0  3.9G   0% /run/shm
+none            3.9G   76K  3.9G   1% /mnt/wslg/versions.txt
+none            3.9G   76K  3.9G   1% /mnt/wslg/doc
+C:\             238G  101G  137G  43% /mnt/c
+tmpfs           789M  8.0K  789M   1% /run/user/1000
+---------- Memory Usage ----------
+               total        used        free      shared  buff/cache   available
+Mem:            7881         318        7401           3         161        7405
+Swap:           2048           0        2048
+---------- CPU Load ----------
+ 15:22:27 up  4:50,  1 user,  load average: 0.00, 0.00, 0.00
+----- Total running processes: 35
+---------- Top 5 memory-consuming processes ----------
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         218  0.0  0.2 107164 21632 ?        Ssl  10:33   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
+root         808  0.0  0.2 293004 19968 ?        Ssl  10:36   0:00 /usr/libexec/packagekitd
+root         186  0.0  0.2  30136 18560 ?        Ss   10:33   0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
+root          63  0.0  0.1  47828 15104 ?        S<s  10:33   0:02 /lib/systemd/systemd-journald
+systemd+      95  0.0  0.1  25672 13312 ?        Ss   10:33   0:00 /lib/systemd/systemd-resolved
+Backup created: ../backups/backup_20260402_152227.tar.gz
+Old backups cleaned up
+nginx is Stopped. Restarting...
+nginx Restarted
+ssh is Stopped. Restarting...
+ssh Restarted
+docker is Stopped. Restarting...
+docker Restarted
+Hello David from Nigeria! You are an Adult.
+===== SYSTEM REPORT =====
+---------- Disk Usage ----------
+Filesystem      Size  Used Avail Use% Mounted on
+none            3.9G     0  3.9G   0% /usr/lib/modules/6.6.87.2-microsoft-standard-WSL2
+none            3.9G  4.0K  3.9G   1% /mnt/wsl
+drivers         238G  101G  137G  43% /usr/lib/wsl/drivers
+/dev/sdd       1007G  1.6G  955G   1% /
+none            3.9G  112K  3.9G   1% /mnt/wslg
+none            3.9G     0  3.9G   0% /usr/lib/wsl/lib
+rootfs          3.9G  2.7M  3.9G   1% /init
+none            3.9G  488K  3.9G   1% /run
+none            3.9G     0  3.9G   0% /run/lock
+none            3.9G     0  3.9G   0% /run/shm
+none            3.9G   76K  3.9G   1% /mnt/wslg/versions.txt
+none            3.9G   76K  3.9G   1% /mnt/wslg/doc
+C:\             238G  101G  137G  43% /mnt/c
+tmpfs           789M  8.0K  789M   1% /run/user/1000
+---------- Memory Usage ----------
+               total        used        free      shared  buff/cache   available
+Mem:            7881         319        7400           3         161        7404
+Swap:           2048           0        2048
+---------- CPU Load ----------
+ 15:23:47 up  4:51,  1 user,  load average: 0.00, 0.00, 0.00
+----- Total running processes: 34
+---------- Top 5 memory-consuming processes ----------
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         218  0.0  0.2 107164 21632 ?        Ssl  10:33   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
+root         808  0.0  0.2 293004 19968 ?        Ssl  10:36   0:00 /usr/libexec/packagekitd
+root         186  0.0  0.2  30136 18560 ?        Ss   10:33   0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
+root          63  0.0  0.1  47828 15104 ?        S<s  10:33   0:02 /lib/systemd/systemd-journald
+systemd+      95  0.0  0.1  25672 13312 ?        Ss   10:33   0:00 /lib/systemd/systemd-resolved

logs/backup.log

@@ -0,0 +1,6 @@
+Error: Directory does not exist
+Usage: backup.sh <Source directory>
+Backup created: ../backups/backup_20260402_151406.tar.gz
+Old backups cleaned up
+Backup created: ../backups/backup_20260402_152227.tar.gz
+Old backups cleaned up

logs/file_manager.log

@@ -0,0 +1,15 @@
+File created: sample.txt
+total 12K
+-rw-r--r-- 1 the_godbeing the_godbeing 925 Apr  2 14:55 file_manager.sh
+-rw-r--r-- 1 the_godbeing the_godbeing   0 Apr  2 14:56 sample.txt
+-rw-r--r-- 1 the_godbeing the_godbeing 839 Apr  2 14:31 system_check.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 671 Apr  2 11:19 user_info.sh
+Renamed sample.txt to sample1.txt
+File deleted: sample1.txt
+total 24K
+-rw-r--r-- 1 the_godbeing the_godbeing 612 Apr  2 15:13 backup.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 925 Apr  2 14:55 file_manager.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 385 Apr  2 15:17 process_monitor.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 597 Apr  2 15:20 run_all.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 839 Apr  2 14:31 system_check.sh
+-rw-r--r-- 1 the_godbeing the_godbeing 671 Apr  2 11:19 user_info.sh

logs/process_monitor.log

@@ -0,0 +1,12 @@
+nginx is Stopped. Restarting...
+nginx Restarted
+ssh is Stopped. Restarting...
+ssh Restarted
+docker is Stopped. Restarting...
+docker Restarted
+nginx is Stopped. Restarting...
+nginx Restarted
+ssh is Stopped. Restarting...
+ssh Restarted
+docker is Stopped. Restarting...
+docker Restarted

logs/system_report_2026.log

@@ -0,0 +1,93 @@
+===== SYSTEM REPORT =====
+---------- Disk Usage ----------
+Filesystem      Size  Used Avail Use% Mounted on
+none            3.9G     0  3.9G   0% /usr/lib/modules/6.6.87.2-microsoft-standard-WSL2
+none            3.9G  4.0K  3.9G   1% /mnt/wsl
+drivers         238G  101G  137G  43% /usr/lib/wsl/drivers
+/dev/sdd       1007G  1.6G  955G   1% /
+none            3.9G  112K  3.9G   1% /mnt/wslg
+none            3.9G     0  3.9G   0% /usr/lib/wsl/lib
+rootfs          3.9G  2.7M  3.9G   1% /init
+none            3.9G  488K  3.9G   1% /run
+none            3.9G     0  3.9G   0% /run/lock
+none            3.9G     0  3.9G   0% /run/shm
+none            3.9G   76K  3.9G   1% /mnt/wslg/versions.txt
+none            3.9G   76K  3.9G   1% /mnt/wslg/doc
+C:\             238G  101G  137G  43% /mnt/c
+tmpfs           789M  8.0K  789M   1% /run/user/1000
+---------- Memory Usage ----------
+               total        used        free      shared  buff/cache   available
+Mem:            7881         323        7398           3         159        7400
+Swap:           2048           0        2048
+---------- CPU Load ----------
+ 14:32:08 up  4:01,  1 user,  load average: 0.00, 0.00, 0.00
+----- Total running processes: 37
+---------- Top 5 memory-consuming processes ----------
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         218  0.0  0.2 107164 21632 ?        Ssl  10:31   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
+root         808  0.0  0.2 293004 19968 ?        Ssl  10:35   0:00 /usr/libexec/packagekitd
+root         186  0.0  0.2  30136 18560 ?        Ss   10:31   0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
+root          63  0.0  0.1  47828 15104 ?        S<s  10:31   0:01 /lib/systemd/systemd-journald
+systemd+      95  0.0  0.1  25672 13312 ?        Ss   10:31   0:00 /lib/systemd/systemd-resolved
+===== SYSTEM REPORT =====
+---------- Disk Usage ----------
+Filesystem      Size  Used Avail Use% Mounted on
+none            3.9G     0  3.9G   0% /usr/lib/modules/6.6.87.2-microsoft-standard-WSL2
+none            3.9G  4.0K  3.9G   1% /mnt/wsl
+drivers         238G  101G  137G  43% /usr/lib/wsl/drivers
+/dev/sdd       1007G  1.6G  955G   1% /
+none            3.9G  112K  3.9G   1% /mnt/wslg
+none            3.9G     0  3.9G   0% /usr/lib/wsl/lib
+rootfs          3.9G  2.7M  3.9G   1% /init
+none            3.9G  488K  3.9G   1% /run
+none            3.9G     0  3.9G   0% /run/lock
+none            3.9G     0  3.9G   0% /run/shm
+none            3.9G   76K  3.9G   1% /mnt/wslg/versions.txt
+none            3.9G   76K  3.9G   1% /mnt/wslg/doc
+C:\             238G  101G  137G  43% /mnt/c
+tmpfs           789M  8.0K  789M   1% /run/user/1000
+---------- Memory Usage ----------
+               total        used        free      shared  buff/cache   available
+Mem:            7881         318        7401           3         161        7405
+Swap:           2048           0        2048
+---------- CPU Load ----------
+ 15:22:27 up  4:50,  1 user,  load average: 0.00, 0.00, 0.00
+----- Total running processes: 35
+---------- Top 5 memory-consuming processes ----------
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         218  0.0  0.2 107164 21632 ?        Ssl  10:33   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
+root         808  0.0  0.2 293004 19968 ?        Ssl  10:36   0:00 /usr/libexec/packagekitd
+root         186  0.0  0.2  30136 18560 ?        Ss   10:33   0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
+root          63  0.0  0.1  47828 15104 ?        S<s  10:33   0:02 /lib/systemd/systemd-journald
+systemd+      95  0.0  0.1  25672 13312 ?        Ss   10:33   0:00 /lib/systemd/systemd-resolved
+===== SYSTEM REPORT =====
+---------- Disk Usage ----------
+Filesystem      Size  Used Avail Use% Mounted on
+none            3.9G     0  3.9G   0% /usr/lib/modules/6.6.87.2-microsoft-standard-WSL2
+none            3.9G  4.0K  3.9G   1% /mnt/wsl
+drivers         238G  101G  137G  43% /usr/lib/wsl/drivers
+/dev/sdd       1007G  1.6G  955G   1% /
+none            3.9G  112K  3.9G   1% /mnt/wslg
+none            3.9G     0  3.9G   0% /usr/lib/wsl/lib
+rootfs          3.9G  2.7M  3.9G   1% /init
+none            3.9G  488K  3.9G   1% /run
+none            3.9G     0  3.9G   0% /run/lock
+none            3.9G     0  3.9G   0% /run/shm
+none            3.9G   76K  3.9G   1% /mnt/wslg/versions.txt
+none            3.9G   76K  3.9G   1% /mnt/wslg/doc
+C:\             238G  101G  137G  43% /mnt/c
+tmpfs           789M  8.0K  789M   1% /run/user/1000
+---------- Memory Usage ----------
+               total        used        free      shared  buff/cache   available
+Mem:            7881         319        7400           3         161        7404
+Swap:           2048           0        2048
+---------- CPU Load ----------
+ 15:23:47 up  4:51,  1 user,  load average: 0.00, 0.00, 0.00
+----- Total running processes: 34
+---------- Top 5 memory-consuming processes ----------
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         218  0.0  0.2 107164 21632 ?        Ssl  10:33   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
+root         808  0.0  0.2 293004 19968 ?        Ssl  10:36   0:00 /usr/libexec/packagekitd
+root         186  0.0  0.2  30136 18560 ?        Ss   10:33   0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
+root          63  0.0  0.1  47828 15104 ?        S<s  10:33   0:02 /lib/systemd/systemd-journald
+systemd+      95  0.0  0.1  25672 13312 ?        Ss   10:33   0:00 /lib/systemd/systemd-resolved

logs/user_info.log

@@ -0,0 +1,2 @@
+Hello David from Nigeria! You are an Adult.
+Hello David from Nigeria! You are an Adult.

scripts/backup.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+SOURCE_DIR=$1
+BACKUP_DIR="../backups"
+LOG_FILE="../logs/backup.log"
+
+if [[ ! -d "$SOURCE_DIR" ]]; then
+    echo "Error: Directory does not exist" | tee -a "$LOG_FILE"
+    echo "Usage: $0 <Source directory>" | tee -a "$LOG_FILE"
+    exit 1
+    fi
+
+    TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
+    BACKUP_FILE="$BACKUP_DIR/backup_$TIMESTAMP.tar.gz"
+
+    tar -czf "$BACKUP_FILE" "$SOURCE_DIR"
+
+    echo "Backup created: $BACKUP_FILE" | tee -a "$LOG_FILE"
+
+    # Keep only last 5 backups
+    ls -t $BACKUP_DIR/backup_*.tar.gz | tail -n +6 | xargs -r rm
+
+    echo "Old backups cleaned up" | tee -a "$LOG_FILE"

scripts/file_manager.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+LOG_FILE="../logs/file_manager.log"
+ACTION=$1
+FILE=$2
+
+case "$ACTION" in
+  create)
+      if [[ -f "$FILE" ]]; then
+           echo "File already exists!" | tee -a "$LOG_FILE"
+         else
+            touch "$FILE"
+           echo "File created: $FILE" | tee -a "$LOG_FILE"
+      fi
+        ;;
+       delete)
+     if [[ -f "$FILE" ]]; then
+        rm "$FILE"
+        echo "File deleted: $FILE" | tee -a "$LOG_FILE"
+      else
+        echo "File not found!" | tee -a "$LOG_FILE"
+     fi
+       ;;
+
+       list)
+     ls -lh | tee -a "$LOG_FILE"
+       ;;
+
+       rename)
+       NEW_NAME=$3
+       if [[ -f "$FILE" ]]; then
+       mv "$FILE" "$NEW_NAME"
+      echo "Renamed $FILE to $NEW_NAME" | tee -a "$LOG_FILE"
+          else
+         echo "File not found!" | tee -a "$LOG_FILE"
+      fi
+      ;;
+      *)
+      echo "Usage: $0 {create|delete|list|rename} filename filename?" | tee -a "$LOG_FILE"
+      ;;
+esac

scripts/process_monitor.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+LOG_FILE="../logs/process_monitor.log"
+services=("nginx" "ssh" "docker")
+
+for service in "${services[@]}"; do
+  if pgrep -x "$service" > /dev/null; then
+      echo "$service is Running" | tee -a "$LOG_FILE"
+   else
+      echo "$service is Stopped. Restarting..." | tee -a "$LOG_FILE"
+      # Simulate restart
+      echo "$service Restarted" | tee -a "$LOG_FILE"
+  fi
+done

scripts/run_all.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+set -euo pipefail
+
+LOG_FILE="../logs/app.log"
+
+run_all() {
+  bash file_manager.sh list
+  bash system_check.sh
+  bash backup.sh .
+  bash process_monitor.sh
+  bash user_info.sh
+
+}
+
+menu() {
+    echo "1. Run all"
+    echo "2. System check"
+    echo "3. Backup"
+    echo "4. Exit"
+}
+
+ while true; do
+     menu
+     read -p "Choose option: " choice
+
+     case $choice in
+       1) run_all | tee -a "$LOG_FILE" ;;
+       2) bash system_check.sh | tee -a "$LOG_FILE" ;;
+       3) bash backup.sh . | tee -a "$LOG_FILE" ;;
+       4) exit 0 ;;
+       *) echo "Invalid option" ;;
+     esac
+ done

scripts/system_check.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+DATE=$(date +"%Y")
+LOG_FILE="../logs/system_report_$DATE.log"
+
+echo "===== SYSTEM REPORT =====" | tee -a "$LOG_FILE"
+
+echo "---------- Disk Usage ----------" | tee -a "$LOG_FILE"
+df -h | tee -a "$LOG_FILE"
+
+echo "---------- Memory Usage ----------" | tee -a "$LOG_FILE"
+free -m | tee -a "$LOG_FILE"
+
+echo "---------- CPU Load ----------" | tee -a "$LOG_FILE"
+uptime | tee -a "$LOG_FILE"
+
+# Disk warning
+USAGE=$(df / | awk 'NR==2 {print $5}' | sed 's/%//')
+if (( USAGE > 80 )); then
+  echo "WARNING: Disk usage is above 80%" | tee -a "$LOG_FILE"
+  fi
+
+  # Process count
+  echo "----- Total running processes: $(ps aux | wc -l)" | tee -a "$LOG_FILE"
+
+  # Top 5 memory-consuming processes
+  echo "---------- Top 5 memory-consuming processes ----------" | tee -a "$LOG_FILE"
+  ps aux --sort=-%mem | head -n 6 | tee -a "$LOG_FILE"

scripts/user_info.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+LOG_FILE="../logs/user_info.log"
+
+read -p "Enter your name: " name
+read -p "Enter your age: " age
+read -p "Enter your country: " country
+
+# Validate inputs
+if [[ -z "$name" || -z "$age" || -z "$country" ]]; then
+  echo "Error: All fields are required" | tee -a "$LOG_FILE"
+    exit 1
+ fi
+
+ if ! [[ "$age" =~ ^[0-9]+$ ]]; then
+      echo "Error: Age must be numeric" | tee -a "$LOG_FILE"
+        exit 1
+ fi
+
+# Determine age category
+  if (( age < 18 )); then
+   category="Minor"
+  elif (( age <= 65 )); then
+   category="Adult"
+  else
+  category="Senior"
+ fi
+
+ message="Hello $name from $country! You are an $category."
+
+ echo "$message" | tee -a "$LOG_FILE"